CN103823500B - Voltage regulator, integrated circuit and electronic equipment - Google Patents
Voltage regulator, integrated circuit and electronic equipment Download PDFInfo
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- CN103823500B CN103823500B CN201410085662.3A CN201410085662A CN103823500B CN 103823500 B CN103823500 B CN 103823500B CN 201410085662 A CN201410085662 A CN 201410085662A CN 103823500 B CN103823500 B CN 103823500B
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Abstract
The invention provides a voltage regulator applied to an integrated circuit. After the voltage regulator is adopted, when an RF (radiofrequency) circuit enters an emission state, a first regulation circuit regulates to rise the output voltage of a first voltage stabilizing circuit, so the output voltage of the first voltage stabilizing circuit is risen to provide higher voltage for the subsequent emission of the RF circuit without the need of absorbing the current in a power supply rail, the power supply at the input end of the first voltage stabilizing circuit is not affected, and the noise component in the power supply rail is prevented from entering the emission current. When the RF circuit exits from the emission state, the first regulation circuit regulates to store the output voltage of the first voltage stabilizing circuit to the state before emission, and the normal operation of the RF circuit and circuits connected with the RF circuit are ensured.
Description
Technical field
The invention belongs to electronic device field, more particularly, to a kind of regulator, integrated circuit and electronic equipment.
Background technology
Ic(integrated circuit, integrated circuit) as a kind of microelectronic device, more and more apply
In various electronic equipments, especially there is communication function and the soc(system of powerful mathematical operation and logical operation process ability
On chip, systems-on-a-chip).
All it is mutually related yet with the power rail in ic, easily cause each functional circuit to interfere, especially
Highly integrated soc, even if having isolating well, but noise can be conducted by power supply, and the function of filtering de-noising has
Limit.
When rf circuit (radio circuit) is in emission state, due to its power hungry, substantial amounts of electric current can be drawn, so that
In by battery supply voltage pull-down, the instantaneous potential in power rail of this rf circuit minimum it means that, whole power rail, all
Can important entrance emission current.And noise follows the component that power rail enters rf circuit, enter the power circuit of rf circuit
In.Even if having very powerful filter design in this rf circuit, low-frequency noise is also to filter, and these low-frequency noises are once
It is mixed into high-power nonlinear circuit, the noise products of generation become branch sufficiently complex, this can directly affect the feelings of soc realization
Condition.
Content of the invention
In view of this, it is an object of the invention to provide a kind of regulator, the input voltage of radio circuit can be entered
Row is adjusted, to solve to draw the technical problem of electric current in power rail during rf circuit transmission state in prior art.
A kind of regulator, comprising: the first mu balanced circuit and the first adjustment circuit；
Wherein, the input of described first mu balanced circuit is connected with power supply, the output end of described first mu balanced circuit with penetrate
Frequency rf circuit input end is connected, and described first mu balanced circuit is used for stably inputting the voltage of described rf circuit；
Described first adjustment circuit is connected with described first mu balanced circuit, for the output electricity to described first mu balanced circuit
Pressure is adjusted；
When described rf circuit enters emission state, described first adjustment circuit adjustment raises described first mu balanced circuit
Output voltage；
When described rf circuit exits emission state, described first adjustment circuit adjusts the output of described first mu balanced circuit
Voltage recovers to entering before emission state.
Above-mentioned regulator is it is preferred that described first mu balanced circuit includes the first operational amplifier u1, first resistor r1
With second resistance r2, the in-phase input end of described first operational amplifier u1 is connected with power supply, output end and described rf circuit
Input is connected；
Described first resistor r1 one end ground connection, the other end is connected with the reverse input end of described first operational amplifier u1；
Described second resistance r2 one end is connected with the reverse input end of described first operational amplifier u1, the other end with described
The output end of the first operational amplifier u1 is connected, and the reverse input end of described first operational amplifier and described output end are formed back
Road.
Above-mentioned regulator is it is preferred that described first adjustment circuit includes: 3rd resistor r3 and first switch k1；
Wherein, one end ground connection of described 3rd resistor r3, the reverse input of the other end and described first operational amplifier u1
End connects；Described first switch k1 is connected with described 3rd resistor r3；
Wherein, when described rf circuit enters emission state, described first switch k1 closure, described 3rd resistor r3 and institute
State first resistor r1 in parallel；When described rf circuit exits emission state, described first switch k1 disconnects.
Above-mentioned regulator is it is preferred that also include: it is provided with the main controller of first port and second port, described
Single port is connected with described rf circuit, and described second port is connected with described first adjustment circuit；
Described main controller, for controlling described rf circuit to enter and exiting emission state, and controls described first adjustment electricity
Road is adjusted to the output voltage of described first mu balanced circuit；
The process of adjustment specifically includes: described main controller rang according to the time of the first pre-conditioned and described integrated circuit
Answer characterisitic parameter to generate the first closure signal and transmission signal respectively, by described first port by described transmission signal launch to
Described rf circuit, the described rf circuit of instruction enters emission state, is launched described first closure signal by described second port
To described first switch k1；Main controller is according to the time resolution characteristics parameter difference of the second pre-conditioned and described integrated circuit
Generate the first cut-off signal and exit signal, launched the described signal that exits to described rf circuit by described first port, refer to
Show that described rf circuit exits emission state, launched described first cut-off signal to described first switch by described second port
k1.
Above-mentioned regulator is it is preferred that also include: the second mu balanced circuit and the second adjustment circuit；
Wherein, the input of described second mu balanced circuit is connected with power supply, the output end and of described second mu balanced circuit
Preinstalled circuit input is connected, and described second mu balanced circuit is used for stably inputting the voltage of described preinstalled circuit；
Described second adjustment circuit is connected with described second mu balanced circuit, for the output electricity to described second mu balanced circuit
Pressure is adjusted；
When described rf circuit enters emission state, described second adjustment circuit adjustment reduces described second mu balanced circuit
Output voltage；
When described rf circuit exits emission state, described second adjustment circuit adjusts the output of described second mu balanced circuit
Voltage recovers to entering before emission state；
Wherein, described preinstalled circuit is non-rf circuit.
Above-mentioned regulator is it is preferred that described second mu balanced circuit includes the second operational amplifier u2, the 4th resistance r4
With the 5th resistance r5, the in-phase input end of described second operational amplifier u2 is connected with power supply, output end and described preinstalled circuit
Input be connected；
Described 4th resistance r4 one end ground connection, the other end is connected with the reverse input end of described second operational amplifier u2；
Described 5th resistance r5 one end is connected with the reverse input end of described second operational amplifier u2, the other end with described
The output end of the second operational amplifier u2 is connected, and the reverse input end of described second operational amplifier and described output end are formed back
Road.
Above-mentioned regulator is it is preferred that described second adjustment circuit includes: the 6th resistance r6, second switch k2 and
Three switch k3；
Wherein, one end ground connection of described 6th resistance r6, the reverse input of the other end and described second operational amplifier u2
End connects；Described second switch k2 is connected with described 6th resistance r6；Described 3rd switch k3 respectively with described 4th resistance r4
It is connected with the reverse input end of described second operational amplifier u1；Described 6th resistance r6 resistance is more than described 4th resistance r4 resistance
Value；
Wherein, when described rf circuit enters emission state, close described second switch k2, described 6th resistance r6 accesses
Circuit, disconnects described 3rd switch k3, and described 4th resistance r4 no longer accesses circuit；When described rf circuit exits emission state
When, the described 3rd switch k3 of closure, described 4th resistance r4 access circuit, disconnect described second switch k2, described 6th resistance
R6 no longer accesses circuit.
Above-mentioned regulator is it is preferred that described main controller is additionally provided with the 3rd port and the 4th port, described 3rd end
Mouth, the 4th port are connected with described second adjustment circuit respectively；
Described main controller, is additionally operable to, when described rf circuit enters and exits emission state, control described second adjustment electricity
Road is adjusted to the output voltage of described second mu balanced circuit；
The process of adjustment specifically includes: described main controller rang according to the time of the first pre-conditioned and described integrated circuit
When answering characterisitic parameter to generate transmission signal, also generate the second cut-off signal and the second closure signal, will by described 3rd port
Described second closure signal sends to described second switch k2, by described 4th port by described second cut-off signal send to
Described 3rd switch k3；
Described main controller generates according to the time resolution characteristics parameter of the second pre-conditioned and described integrated circuit and exits
During signal, also generate the 3rd cut-off signal and the 3rd closure signal, by described 3rd port, described 3rd cut-off signal is sent out
Deliver to described second switch k2, sent described 3rd closure signal to the described 3rd switch k3 by described 4th port.
Above-mentioned regulator is it is preferred that described preinstalled circuit includes digital circuit.
A kind of integrated circuit, including the regulator described in any of the above-described.
A kind of electronic equipment, including integrated circuit as above.
This application provides a kind of regulator, it is applied to an integrated circuit, this regulator includes: the first mu balanced circuit
With the first adjustment circuit；Wherein, the input of described first mu balanced circuit is connected with power supply, the output of described first mu balanced circuit
End is connected with the radio frequency rf circuit input end in described integrated circuit, and described first mu balanced circuit is used for stably inputting described rf
The voltage of circuit；Described first adjustment circuit is connected with described first mu balanced circuit, for defeated to described first mu balanced circuit
Go out voltage to be adjusted.Using this regulator, when entering emission state in rf circuit, the first adjustment circuit adjustment rising the
So that the voltage of this first mu balanced circuit output raises, the transmitting for follow-up rf circuit carries the output voltage of one mu balanced circuit
For higher voltage it is not necessary to draw electric current in power rail, also the power supply of this first mu balanced circuit input would not be affected, keep away
The noise component(s) exempted from power rail enters in emission current.When described rf circuit exits emission state, described first adjustment
The output voltage of the first mu balanced circuit described in the regulation of electrical circuit recover to enter before emission state it is ensured that this rf circuit and and its
The normal operation of connected circuit.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of regulator embodiment 1 that the application provides；
Fig. 2 is a kind of structural representation of regulator embodiment 2 that the application provides；
Fig. 3 is a kind of structural representation of regulator embodiment 3 that the application provides；
Fig. 4 is a kind of structural representation of regulator embodiment 4 that the application provides；
Fig. 5 is a kind of structural representation of regulator embodiment 5 that the application provides；
Fig. 6 is a kind of structural representation of regulator embodiment 6 that the application provides；
Fig. 7 is a kind of structural representation of integrated circuit implementation 1 that the application provides；
Fig. 8 is a kind of structural representation of integrated circuit implementation 2 that the application provides.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
The operational amplifier being related in the present embodiment is differential signal amplifier, this operational amplifier homophase input terminal voltage
For u+, reverse input end voltage is u-, output end voltage is u0, the output end voltage computing formula of operational amplifier is: u0=u+-
u-.
Referring to Fig. 1, show a kind of structural representation of regulator embodiment 1 that the application provides, comprising: first is steady
Volt circuit 101 and the first adjustment circuit 102；
Wherein, this regulator is arranged in integrated circuits, has at least one rf circuit in this integrated circuit, this rf electricity
Road shares a power rail with other circuit.
Wherein, the input of this first mu balanced circuit 101 is connected with power supply, output end and rf(radio frequency,
Radio frequency) circuit input end is connected, and described first mu balanced circuit 101 is used for stably inputting the voltage of described rf circuit；
Described first adjustment circuit 102 is connected with described first mu balanced circuit 101, for described first mu balanced circuit
101 output voltage is adjusted；
Wherein, when described rf circuit enters emission state, it is steady that described first adjustment circuit 102 adjustment raises described first
The output voltage of volt circuit 101；When described rf circuit exits emission state, described first adjustment circuit 102 adjusts described
The output voltage of one mu balanced circuit 101 recovers to entering before emission state.
Specifically, when this rf circuit enters emission state, this rf circuit input voltage needs to raise normal to realize
Transmitting, unaffected in order to ensure this power rail, then it is constant from the input voltage of power supply to need to change the first mu balanced circuit, and this
The output voltage of one mu balanced circuit raises, and this first adjustment circuit adjusts to this first mu balanced circuit, so that its output voltage liter
High.
In the same manner, when this rf circuit exits emission state, this rf circuit is no longer necessary to higher input voltage, in order to ensure
The normal work of this rf circuit, this first adjustment circuit adjusts the output voltage of this first mu balanced circuit to entrance emission state
State, or referred to as normal condition.
Using this regulator, when entering emission state in rf circuit, the first adjustment circuit adjustment raises the first voltage stabilizing
The output voltage of circuit is so that the voltage of this first mu balanced circuit output raises, higher for the transmitting offer of follow-up rf circuit
Voltage it is not necessary to draw electric current in power rail, also the power supply of this first mu balanced circuit input would not be affected, it is to avoid electricity
Noise component(s) in the rail of source enters in emission current.
When described rf circuit exits emission state, described first adjustment circuit adjusts the output of described first mu balanced circuit
Voltage recovers to entering before emission state it is ensured that the normal operation of this rf circuit and coupled circuit.
Referring to Fig. 2, show a kind of structural representation of regulator embodiment 2 that the application provides, comprising: first is steady
Volt circuit 201 and the first adjustment circuit 202；
Wherein, this first mu balanced circuit 201 includes: the first operational amplifier u1, first resistor r1 and second resistance r2.
Wherein, the in-phase input end of described first operational amplifier u1 is connected with power supply, output end and described rf circuit
Input is connected；Described first resistor r1 one end ground connection, the other end is connected with the reverse input end of described first operational amplifier u1
Connect；Described second resistance r2 one end is connected with the reverse input end of described first operational amplifier u1, the other end and described first
The output end of operational amplifier u1 is connected, and the reverse input end of described first operational amplifier u1 and described output end are formed back
Road.
Wherein, described first adjustment circuit 202 includes: 3rd resistor r3 and first switch k1.
Wherein, one end ground connection of described 3rd resistor r3, the reverse input of the other end and described first operational amplifier u1
End connects；Described first switch k1 is connected with described 3rd resistor r3；
Wherein, when described rf circuit enters emission state, described first switch k1 closure, described 3rd resistor r3 and institute
State the resistance r ' that the parallel connection of first resistor r1 obtains, the resistance of this resistance r ' is less than this first resistor r1.
Assume that this first operational amplifier u1 output end voltage is u0, reverse input end voltage is uf, then, when this first is opened
When pass k1 is not closed, this ufFor:
And when this first switch k closes, the r1 in formula (1) replaces with r ', this ufDiminish, i.e. this first operation amplifier
The diminishing of device u1 reverse input end, and its positive input is power supply, input voltage is constant, according to the output end of operational amplifier
Voltage computing formula understands, this u0Become big, i.e. in the case that supply voltage is not done with any change, improve rf circuit
Input voltage.
Wherein, when described rf circuit exits emission state, the input voltage for making rf circuit recovers to enter before transmitting
State, described first switch k1 is disconnected, so that the earth resistance resistance of this first operational amplifier u1 is increased to entrance and sends out
Before penetrating state, the connection of the cut-out of 3rd resistor r3 and circuit.
It should be noted that the resistance of this 3rd resistor r3, when radio frequency state is entered according to this rf circuit, this first computing
The computing the resistor value of the parameter of amplifier u1, the size of output voltage that needs raise and first resistor r1 and second resistance r2 obtains
Arrive.
In being embodied as, this first switch k1 can adopt normal open switch, when rf circuit enters radio frequency state, control this
One switch k1 closure, when rf circuit exits into radio frequency state, no longer controls this first switch k1, it disconnects automatically, reduces control
The number of species of signal processed.
Using this regulator, only the ground connection that can disconnect need to be connected in the reverse input end of the first operational amplifier u1
, it becomes possible to realize the output voltage adjustment to the first mu balanced circuit, circuit is simple, workable for resistance.
Referring to Fig. 3, show a kind of structural representation of regulator embodiment 3 that the application provides, comprising: first is steady
Volt circuit 301, the first adjustment circuit 302 and main controller 303；
Wherein, this main controller sets 303 and is equipped with first port 304 and second port 305, described first port 304 with described
Rf circuit connects, and described second port 305 is connected with described first adjustment circuit 302；
Wherein this main controller 303, for controlling described rf circuit to enter and exiting emission state, and controls described first tune
Whole circuit 302 is adjusted to the output voltage of described first mu balanced circuit 301；
The process of adjustment includes:
Described main controller 303 is given birth to respectively according to the time resolution characteristics parameter of the first pre-conditioned and described integrated circuit
Become the first closure signal and transmission signal, launched described transmission signal to described rf circuit by described first port 304, refer to
Show that described rf circuit enters emission state, launched described first closure signal to described first by described second port 305
Switch k1；
Main controller 303 generates respectively according to the time resolution characteristics parameter of the second pre-conditioned and described integrated circuit
One cut-off signal and exit signal, is launched the described signal that exits to described rf circuit by described first port, instruction is described
Rf circuit exits emission state, is launched described first cut-off signal to described first switch k1 by described second port.
Wherein, this rf circuit enters emission state is by this main controller 303 control realization, specially default according to first
The ruuning situation of this integrated circuit of condition judgment, if meet the requirement that rf enters emission state, if it is satisfied, generate transmitting letter
Number, rf signal is sent to by this first port 304, to indicate this rf circuit entrance emission state.
Wherein, in order that when this rf circuit enters a large amount of electric current that emission state is drawn, this electric current does not comprise other circuit
Noise component(s) when, also to control this first adjustment circuit 302 that the output voltage of this first mu balanced circuit 301 is adjusted,
Specific is to generate the first closure signal, and this first closure signal is sent to first switch k1 of the first adjustment circuit 302,
So that this 3rd resistor r3 is in parallel with first resistor r1.
Wherein, main controller sends a signal to appropriate section to realize it is controlled, the generation time of this signal and transmission
Time determines so that this adjustment reaches optimum according to the time resolution characteristics in integrated circuit.
Referring to Fig. 4, show a kind of structural representation of regulator embodiment 4 that the application provides, comprising: first is steady
Volt circuit 401, the first adjustment circuit 402, main controller 403, the second mu balanced circuit 404 and the second adjustment circuit 405；
Wherein, described first mu balanced circuit 401, the first adjustment circuit 402 and main controller 403 is corresponding to embodiment 3 ties
Structure function phase is same, repeats no more in the present embodiment.
Wherein, the input of described second mu balanced circuit 404 is connected with power supply, the output end of described second mu balanced circuit with
One preinstalled circuit input is connected, and described second mu balanced circuit 404 is used for stably inputting the voltage of described preinstalled circuit；Described
Two adjustment circuits 405 are connected with described second mu balanced circuit 404, for entering to the output voltage of described second mu balanced circuit 404
Row adjustment；
When described rf circuit enters emission state, described second adjustment circuit 405 adjustment reduces described second voltage stabilizing electricity
The output voltage on road 404；When described rf circuit exits emission state, it is steady that described second adjustment circuit 405 adjusts described second
The output voltage of volt circuit 404 recovers to entering before emission state.
Specifically, when this rf circuit enters emission state, in order to prevent noise component(s) in this preinstalled circuit from entering power supply
In rail, the input voltage of this preinstalled circuit is reduced, will reduce the output voltage of the second mu balanced circuit, this second adjustment circuit
This second mu balanced circuit is adjusted, so that its output voltage reduces.
In the same manner, when this rf circuit exits emission state, this rf circuit is no longer necessary to higher input voltage, in order to ensure
The normal work of this preinstalled circuit, this second adjustment circuit adjusts the output voltage of this second mu balanced circuit to entering emission state
Front state, or referred to as normal condition.
It should be noted that this preinstalled circuit is to disturbing insensitive circuit, even if its input voltage is carried out reduce,
The adjustment restored, nor affects on it and normally runs, and this circuit insensitive to interference may include that digital circuit etc..
Using this regulator, when entering emission state in rf circuit, the second adjustment circuit adjustment reduces the second voltage stabilizing
The output voltage of circuit so that the voltage of this second mu balanced circuit output reduces, when the transmitting of rf circuit needs a large amount of electric current,
Because the voltage of this preinstalled circuit is relatively low, it is to avoid enter in emission current noise component(s) therein by power rail.Work as institute
When stating rf circuit and exiting emission state, output voltage that described second adjustment circuit adjusts described second mu balanced circuit recovers to entering
It is ensured that the normal operation of this preinstalled circuit before entering emission state.
Referring to Fig. 5, show a kind of structural representation of regulator embodiment 5 that the application provides, comprising: first is steady
Volt circuit 501, the first adjustment circuit 502, main controller 503, the second mu balanced circuit 504 and the second adjustment circuit 505；
Wherein, the structure of described first mu balanced circuit 501 and the first adjustment circuit 502 and corresponding construction work(in embodiment 2
Identical, repeat no more in the present embodiment.
Wherein, described second mu balanced circuit includes the second operational amplifier u2, the 4th resistance r4 and the 5th resistance r5.
Wherein, the in-phase input end of described second operational amplifier u2 is connected with power supply, output end and described preinstalled circuit
Input be connected；Described 4th resistance r4 one end ground connection, the reverse input end of the other end and described second operational amplifier u2
Connect；Described 5th resistance r5 one end is connected with the reverse input end of described second operational amplifier u2, the other end and described the
The output end of two operational amplifier u2 is connected, and the reverse input end of described second operational amplifier and described output end are formed back
Road.
Wherein, described second adjustment circuit includes: the 6th resistance r6, second switch k2 and the 3rd switch k3；
Wherein, one end ground connection of described 6th resistance r6, the reverse input of the other end and described second operational amplifier u2
End connects；Described second switch k2 is connected with described 6th resistance r6；Described 3rd switch k3 respectively with described 4th resistance r4
It is connected with the reverse input end of described second operational amplifier u1；Described 6th resistance r6 resistance is more than described 4th resistance r4 resistance
Value；
Wherein, when described rf circuit enters emission state, close described second switch k2, described 6th resistance r6 accesses
Circuit, disconnects described 3rd switch k3, and described 4th resistance r4 no longer accesses circuit；When described rf circuit exits emission state
When, the described 3rd switch k3 of closure, described 4th resistance r4 access circuit, disconnect described second switch k2, described 6th resistance
R6 no longer accesses circuit.
Wherein, when this rf circuit enters emission state, close this second switch k2, the 6th resistance r6 accesses circuit
In, disconnect the 3rd switch k3, the 4th resistance r4 is no longer accessed in circuit it is achieved that replacing the 6th resistance r6 of big resistance
4th resistance r4 of this less resistance, understands according to formula (1), this ufBecome big, that is, this second operational amplifier u2 reversely inputs
The change at end is big, and its positive input is power supply, and input voltage is constant, according to the output end voltage computing formula of operational amplifier
Understand, this u0Diminish, i.e. in the case that supply voltage is not done with any change, reduce the input voltage of preinstalled circuit.
Wherein, when described rf circuit exits emission state, the input voltage for making this preinstalled circuit recovers to enter transmitting
Front state, described second switch k2 is disconnected, and realizes the 3rd switch k3 closure by the 4th electricity of this less resistance
Resistance r4 replaces the 6th resistance r6 of big resistance, and that is, the earth resistance resistance of this second operational amplifier u2 is reduced to enter emitting shape
State before state.
It should be noted that the resistance of the 6th resistance r3, when radio frequency state is entered according to this rf circuit, this second computing
The computing the resistor value of the parameter of amplifier u2, the size of output voltage that needs reduce and the 4th resistance r4 and the 5th resistance r5 obtains
Arrive.
In being embodied as, this second switch k2 can adopt normally closed switch, in rf circuit using normal open switch, the 3rd switch k3
When entering radio frequency state, control this second switch k2 to close and control the 3rd switch k3 to disconnect, when rf circuit exits into
Radio frequency state, no longer controls this second switch k2 and the 3rd switch k3, it automatically disconnects or closes, and reduces the kind of control signal
Class quantity.
Wherein, this main controller can not only control rf circuit and the first adjustment circuit additionally it is possible to control the second adjustment circuit.
Referring to Fig. 6, show a kind of structural representation of regulator embodiment 6 that the application provides, comprising: first is steady
Volt circuit 601, the first adjustment circuit 602, main controller 603, the second mu balanced circuit 604 and the second adjustment circuit 605；
Wherein, described first mu balanced circuit 601, the first adjustment circuit 602, the second mu balanced circuit 604 and the second adjustment electricity
The structure on road 605 is identical with corresponding construction in embodiment 5 and work(, repeats no more in the present embodiment.
Described main controller is additionally provided with the 3rd port and the 4th port, described 3rd port, the 4th port respectively with described
Second adjustment circuit connects, for when described rf circuit enters and exits emission state, controlling described second adjustment circuit pair
The output voltage of described second mu balanced circuit is adjusted；
Due to there being two switch k2 and k3 in the second adjustment circuit, it is adjusted in the output voltage to the second mu balanced circuit
During, need this two switches k2, k3 are respectively controlled, therefore, this main controller arranges two ports: the 3rd port
With the 4th port, send control signal to this two switches.
Wherein, the process of adjustment specifically includes: described main controller is according to the first pre-conditioned and described integrated circuit
When time resolution characteristics parameter generates transmission signal, also generate the second cut-off signal and the second closure signal, by the described 3rd
Port sends described second closure signal to described second switch k2, by described 4th port by described second cut-off signal
Send to the described 3rd switch k3；
Described main controller generates according to the time resolution characteristics parameter of the second pre-conditioned and described integrated circuit and exits
During signal, also generate the 3rd cut-off signal and the 3rd closure signal, by described 3rd port, described 3rd cut-off signal is sent out
Deliver to described second switch k2, sent described 3rd closure signal to the described 3rd switch k3 by described 4th port.
Wherein, this main controller 603 controls this rf circuit to enter emission state, also controls the second adjustment circuit 605 to second
The output voltage of mu balanced circuit 604 is adjusted, and specially generates the second closure signal and the first cut-off signal, and passes through the 3rd
Second closure signal is sent to the second switch k2 of the second adjustment circuit 605 by port, disconnects letter by the 4th port by second
Number send and to switch k3 to the second adjustment circuit 605 the 3rd.
When main controller 603 controls rf circuit to exit emission state, also control the second adjustment circuit 605 to the second voltage stabilizing electricity
The output voltage on road 604 is adjusted penetrating front state so as to adjusting and postbacking, and specially generates the 3rd cut-off signal and the 3rd closure
Signal, and being sent the 3rd cut-off signal to second switch k2 by the 3rd port, by the 4th port by the 3rd closure signal
Send to the 3rd switch k3.
Wherein, main controller sends a signal to appropriate section to realize it is controlled, the generation time of this signal and transmission
Time determines so that this adjustment reaches optimum according to the time resolution characteristics in integrated circuit.
Corresponding with a kind of regulator embodiment that the application provides, present invention also provides a kind of reality of integrated circuit
Apply example.
A kind of structural representation of integrated circuit implementation 1 that the application as shown in Figure 7 provides, this integrated circuit bag
Include: the regulator 702 in power supply 701, a kind of above-mentioned regulator embodiment 1 and rf circuit 703；
Wherein, regulator 703 includes: the first mu balanced circuit and the first adjustment circuit；Described first mu balanced circuit defeated
Enter end to be connected with power supply, the output end of described first mu balanced circuit is connected with radio frequency rf circuit input end, described first voltage stabilizing electricity
Road is used for stably inputting the voltage of described rf circuit；Described first adjustment circuit is connected with described first mu balanced circuit, for right
The output voltage of described first mu balanced circuit is adjusted；When described rf circuit enters emission state, described first adjustment electricity
Road adjustment raises the output voltage of described first mu balanced circuit；When described rf circuit exits emission state, described first adjustment
The output voltage of the first mu balanced circuit described in the regulation of electrical circuit recovers to entering before emission state.
Preferably, the first mu balanced circuit of this regulator includes the first operational amplifier u1, first resistor r1 and second
Resistance r2, the structure of this first mu balanced circuit is consistent with above-mentioned regulator embodiment 2, and the present embodiment repeats no more.
Preferably, the first adjustment circuit of this regulator includes: 3rd resistor r3 and first switch k1, this first adjustment
The structure of circuit is consistent with above-mentioned regulator embodiment 2, and the present embodiment repeats no more.
Preferably, this regulator also includes main controller, and this main controller is provided with first port and second port, and described
Single port is connected with described rf circuit, and described second port is connected with described first adjustment circuit；Described main controller, for controlling
Described rf circuit enters and exits emission state, and controls the output electricity to described first mu balanced circuit for described first adjustment circuit
Pressure is adjusted.The detailed process of adjustment is consistent with above-mentioned regulator embodiment 3, and the present embodiment repeats no more.
A kind of structural representation of integrated circuit implementation 2 that the application as shown in Figure 8 provides, this integrated circuit bag
Include: the regulator 802 in power supply 801, a kind of above-mentioned regulator embodiment 1 and rf circuit 803, preinstalled circuit 804；
This regulator includes the first mu balanced circuit, the first adjustment circuit, main controller, the second mu balanced circuit and the second adjustment
Circuit；
Wherein, the input of described second mu balanced circuit is connected with power supply, the output end and of described second mu balanced circuit
Preinstalled circuit input is connected, and described second mu balanced circuit is used for stably inputting the voltage of described preinstalled circuit；Described second tune
Whole circuit is connected with described second mu balanced circuit, for being adjusted to the output voltage of described second mu balanced circuit；When described
When rf circuit enters emission state, described second adjustment circuit adjustment reduces the output voltage of described second mu balanced circuit；Work as institute
When stating rf circuit and exiting emission state, output voltage that described second adjustment circuit adjusts described second mu balanced circuit recovers to entering
Before entering emission state；Wherein, described preinstalled circuit is non-rf circuit.
Preferably, this second mu balanced circuit includes the second operational amplifier u2, the 4th resistance r4 and the 5th resistance r5, and this
The structure of two mu balanced circuits is consistent with above-mentioned regulator embodiment 5, and the present embodiment repeats no more.
Preferably, this second adjustment circuit includes: the 6th resistance r6, second switch k2 and the 3rd switch k3, this second tune
The structure of whole circuit is consistent with above-mentioned regulator embodiment 5, and the present embodiment repeats no more.
Preferably, this main controller also sets up the 3rd port and the 4th port, described 3rd port, the 4th port respectively with institute
State the second adjustment circuit to connect, for when described rf circuit enters and exits emission state, controlling described second adjustment circuit
The output voltage of described second mu balanced circuit is adjusted.One in the detailed process of adjustment and above-mentioned regulator embodiment 6
Cause, the present embodiment repeats no more.
Corresponding with a kind of integrated circuit implementation that the application provides, present invention also provides the reality of a kind of electronic equipment
Apply example.
In the embodiment of a kind of electronic equipment that the application provides, this electronic equipment includes the reality of any of the above-described integrated circuit
Apply involved integrated circuit in example.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of regulator is it is characterised in that include: the first mu balanced circuit, the first adjustment circuit, the second mu balanced circuit and the
Two adjustment circuits；
Wherein, the input of described first mu balanced circuit is connected with power supply, the output end of described first mu balanced circuit and radio frequency rf
Circuit input end is connected, and described first mu balanced circuit is used for stably inputting the voltage of described rf circuit；Described second mu balanced circuit
Input be connected with power supply, the output end of described second mu balanced circuit is connected with a preinstalled circuit input, and described second is steady
Volt circuit is used for stably inputting the voltage of described preinstalled circuit；Wherein, described preinstalled circuit is the circuit insensitive to interference；
Described first adjustment circuit is connected with described first mu balanced circuit, for entering to the output voltage of described first mu balanced circuit
Row adjustment；Described second adjustment circuit is connected with described second mu balanced circuit, for the output electricity to described second mu balanced circuit
Pressure is adjusted；
When described rf circuit enters emission state, described first adjustment circuit adjustment raises the output of described first mu balanced circuit
Voltage, described second adjustment circuit adjustment reduces the output voltage of described second mu balanced circuit；
When described rf circuit exits emission state, described first adjustment circuit adjusts the output voltage of described first mu balanced circuit
Recover to entering before emission state, the output voltage that described second adjustment circuit adjusts described second mu balanced circuit recovers to entering
Before emission state.
2. regulator according to claim 1 is it is characterised in that described first mu balanced circuit includes the first operation amplifier
Device u1, first resistor r1 and second resistance r2, the in-phase input end of described first operational amplifier u1 is connected with power supply, output end
It is connected with the input of described rf circuit；
Described first resistor r1 one end ground connection, the other end is connected with the reverse input end of described first operational amplifier u1；
Described second resistance r2 one end is connected with the reverse input end of described first operational amplifier u1, the other end and described first
The output end of operational amplifier u1 is connected, and the reverse input end of described first operational amplifier u1 forms loop with output end.
3. regulator according to claim 2 is it is characterised in that described first adjustment circuit includes: 3rd resistor r3
With first switch k1；
Wherein, one end ground connection of described 3rd resistor r3, the other end is connected with the reverse input end of described first operational amplifier u1
Connect；Described first switch k1 is connected with described 3rd resistor r3；
Wherein, when described rf circuit enters emission state, described first switch k1 closure, described 3rd resistor r3 and described the
One resistance r1 is in parallel；When described rf circuit exits emission state, described first switch k1 disconnects.
4. regulator according to claim 3 is it is characterised in that also include: is provided with first port and second port
Main controller, described first port is connected with described rf circuit, and described second port is connected with described first adjustment circuit；
Described main controller, for controlling described rf circuit to enter and exiting emission state, and controls described first adjustment circuit pair
The output voltage of described first mu balanced circuit is adjusted；
The process of adjustment specifically includes: described main controller is joined according to the first pre-conditioned and integrated circuit time resolution characteristics
Number generates the first closure signal and transmission signal respectively, is launched described transmission signal to described rf electricity by described first port
Road, the described rf circuit of instruction enters emission state, is launched described first closure signal to described the by described second port
One switch k1；Main controller generates first respectively according to the time resolution characteristics parameter of the second pre-conditioned and described integrated circuit
Cut-off signal and exit signal, is launched the described signal that exits to described rf circuit by described first port, indicates described rf
Circuit exits emission state, is launched described first cut-off signal to described first switch k1 by described second port.
5. regulator according to claim 4 is it is characterised in that described second mu balanced circuit includes the second operation amplifier
Device u2, the 4th resistance r4 and the 5th resistance r5, the in-phase input end of described second operational amplifier u2 is connected with power supply, output end
It is connected with the input of described preinstalled circuit；
Described 4th resistance r4 one end ground connection, the other end is connected with the reverse input end of described second operational amplifier u2；
Described 5th resistance r5 one end is connected with the reverse input end of described second operational amplifier u2, the other end and described second
The output end of operational amplifier u2 is connected, and the reverse input end of described second operational amplifier u2 forms loop with output end.
6. regulator according to claim 5 is it is characterised in that described second adjustment circuit includes: the 6th resistance r6,
Second switch k2 and the 3rd switch k3；
Wherein, one end ground connection of described 6th resistance r6, the other end is connected with the reverse input end of described second operational amplifier u2
Connect；Described second switch k2 is connected with described 6th resistance r6；Described 3rd switch k3 pass through described 4th resistance r4 with described
The opposite direction input of the second operational amplifier u2 is connected；Described 6th resistance r6 resistance is more than described 4th resistance r4 resistance；
Wherein, when described rf circuit enters emission state, close described second switch k2, described 6th resistance r6 accesses electricity
Road, disconnects described 3rd switch k3, and described 4th resistance r4 no longer accesses circuit；When described rf circuit exits emission state,
Close described 3rd switch k3, described 4th resistance r4 accesses circuit, disconnects described second switch k2, described 6th resistance r6 is not
Access circuit again.
7. regulator according to claim 6 is it is characterised in that described main controller is additionally provided with the 3rd port and the 4th
Port, described 3rd port, the 4th port are connected with described second adjustment circuit respectively；
Described main controller, is additionally operable to, when described rf circuit enters and exits emission state, control described second adjustment circuit pair
The output voltage of described second mu balanced circuit is adjusted；
The process of adjustment specifically includes: described main controller is special according to the time response of the first pre-conditioned and described integrated circuit
Property parameter generate transmission signal when, also generate the second cut-off signal and the second closure signal, will be described by described 3rd port
Second closure signal sends to second switch k2, is sent described second cut-off signal to the 3rd switch by described 4th port
k3；
Described main controller generates according to the time resolution characteristics parameter of the second pre-conditioned and described integrated circuit and exits signal
When, also generate the 3rd cut-off signal and the 3rd closure signal, by described 3rd port by described 3rd cut-off signal send to
Described second switch k2, is sent described 3rd closure signal to the described 3rd switch k3 by described 4th port.
8. regulator according to claim 1 is it is characterised in that described preinstalled circuit includes digital circuit.
9. a kind of integrated circuit is it is characterised in that include the regulator as described in any one of claim 1-8.
10. a kind of electronic equipment is it is characterised in that include integrated circuit as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085662.3A CN103823500B (en) | 2014-03-10 | 2014-03-10 | Voltage regulator, integrated circuit and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085662.3A CN103823500B (en) | 2014-03-10 | 2014-03-10 | Voltage regulator, integrated circuit and electronic equipment |
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| CN103823500A CN103823500A (en) | 2014-05-28 |
| CN103823500B true CN103823500B (en) | 2017-01-18 |
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| CN201410085662.3A Active CN103823500B (en) | 2014-03-10 | 2014-03-10 | Voltage regulator, integrated circuit and electronic equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019104467A1 (en) * | 2017-11-28 | 2019-06-06 | 深圳市汇顶科技股份有限公司 | Voltage regulator and power supply |
| CN113259012A (en) * | 2021-03-31 | 2021-08-13 | 武汉英飞光创科技有限公司 | Multichannel high-voltage circuit that optical module was used |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196756A (en) * | 2006-12-06 | 2008-06-11 | 奇梦达北美公司 | Voltage regulator |
| CN203038149U (en) * | 2012-09-28 | 2013-07-03 | 中兴通讯股份有限公司 | Programmable low dropout linear regulator and sampling and feedback circuit thereof |
| CN103543776A (en) * | 2012-07-11 | 2014-01-29 | 旺宏电子股份有限公司 | Voltage buffering device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229149A1 (en) * | 2006-03-30 | 2007-10-04 | Sandisk Corporation | Voltage regulator having high voltage protection |
| JP2013012000A (en) * | 2011-06-29 | 2013-01-17 | Mitsumi Electric Co Ltd | Semiconductor integrated circuit for regulator |
-
2014
- 2014-03-10 CN CN201410085662.3A patent/CN103823500B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196756A (en) * | 2006-12-06 | 2008-06-11 | 奇梦达北美公司 | Voltage regulator |
| CN103543776A (en) * | 2012-07-11 | 2014-01-29 | 旺宏电子股份有限公司 | Voltage buffering device |
| CN203038149U (en) * | 2012-09-28 | 2013-07-03 | 中兴通讯股份有限公司 | Programmable low dropout linear regulator and sampling and feedback circuit thereof |
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| Publication number | Publication date |
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| CN103823500A (en) | 2014-05-28 |
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