CN208939946U - A kind of antenna transmission circuit, active antenna and electronic equipment - Google Patents
A kind of antenna transmission circuit, active antenna and electronic equipment Download PDFInfo
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- CN208939946U CN208939946U CN201821520568.6U CN201821520568U CN208939946U CN 208939946 U CN208939946 U CN 208939946U CN 201821520568 U CN201821520568 U CN 201821520568U CN 208939946 U CN208939946 U CN 208939946U
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Abstract
The utility model discloses a kind of antenna transmission circuit, active antenna and electronic equipments, wherein antenna transmission circuit includes: the first transceiver toggle switch, the second transceiver toggle switch, signal emission module, signal receiving module, and signal emission module includes combiner, main signal transmission unit and sub signal amplifying unit；First transceiver toggle switch is connect with main signal transmission unit, and main signal transmission unit and sub signal amplifying unit are connect with combiner respectively, and combiner is connect with the second transceiver toggle switch；First transceiver toggle switch is connect with sub signal amplifying unit；Signal receiving module both ends are connect with first the second transceiver toggle switch of transceiver toggle switch respectively.The utility model is further amplified by power of the sub signal amplifying unit to radiofrequency signal, does not improve the power grade of mainboard power amplifier, is helped radiate, has been taken into account signal transmission power and heat dissipation；And route shortens between signal receiving module and antenna, loss reduces, and improves the receiving sensitivity of antenna.
Description
Technical field
The utility model relates to antenna technical fields more particularly to a kind of antenna transmission circuit, active antenna and electronics to set
It is standby.
Background technique
Currently, antenna is widely used in wireless device as the component for sending and receiving electromagnetic communication signal.Its
In, active antenna is due to being internally integrated the correlation module of signal transmitting and receiving and power supply, being easily achieved antenna miniaturization and more next
More it is concerned by people.
In order to improve the transmission power of active antenna, to obtain bigger signal radiation range, often lead in the prior art
It crosses and the higher power amplifier of transmission power is set in active antenna, to improve the transmission power of active antenna.
However, communication equipment tends to minimize, when the spoke for improving signal using the higher power amplifier of transmission power
When penetrating range, terminal device volume is smaller, and heat dissipation is just more difficult to, and for a long time or the use of high intensity will lead to processor overheat, can
The transmitting-receiving of signal of communication can be will affect.
Utility model content
The utility model embodiment provides a kind of antenna transmission circuit, active antenna and electronic equipment, is put by sub signal
The power of radiofrequency signal is further amplified in big unit, does not improve the power grade of mainboard power amplifier, helps radiate, can
Take into account signal transmission power and heat dissipation；And route shortens between signal receiving module and antenna, loss reduces, and improves connecing for antenna
Receive sensitivity.
In order to solve the above-mentioned technical problem, in a first aspect, the utility model embodiment provides a kind of antenna transmission circuit,
Suitable for active antenna, comprising: the first transceiver toggle switch, the second transceiver toggle switch, signal emission module, signal receive mould
Block, the signal emission module include combiner, main signal transmission unit and sub signal amplifying unit；
First transceiver toggle switch is connect with the input terminal of the main signal transmission unit, and the main signal transmission is single
The output end of member is connect with the first input end of the combiner, and the output end of the combiner is opened with the second transmitting-receiving switching
Connection connects；
First transceiver toggle switch is connect with the input terminal of the sub signal amplifying unit, and the sub signal amplification is single
The output end of member is connect with the second input terminal of the combiner；
Second transceiver toggle switch is connect with the input terminal of the signal receiving module, the signal receiving module
Output end is connect with first transceiver toggle switch.
So set, the utility model reduces the power to power amplifier under the premise of guaranteeing signal transmission power
Specification requirement, due to reducing the power requirements of power amplifier, heat production reduces, helps radiate, realize the letter of communication equipment
Number transmission power and heat dissipation take into account design.
Further, the signal emission module further includes coupler, then first transceiver toggle switch and the master
The input terminal of signal transmission unit connects and the input terminal of first transceiver toggle switch and the sub signal amplifying unit
Connection, specifically:
First transceiver toggle switch is connect with the input terminal of the coupler；
First output end of the coupler is connect with the input terminal of the main signal transmission unit；
The second output terminal of the coupler is connect with the input terminal of the sub signal amplifying unit.
So set, the radiofrequency signal that host transmits can be divided into two paths of signals by coupler by the utility model, and
The sub signal of coupler coupling is identical as the content of main signal, and only intensity is different, will not change the signal content of radiofrequency signal.
Further, the main signal transmission unit includes phase-shift circuit；
First output end of the coupler is connect with the input terminal of the phase-shift circuit, the output end of the phase-shift circuit
It is connect with the first input end of the combiner.
So set, the utility model can adjust the phase of main signal by phase-shift circuit, make main signal and secondary letter
Number keep synchronize, make synthesis total transmitting signal content with the content for the radiofrequency signal that host transmits as, avoid synthesize
Compared to the radiofrequency signal that host transmits phase distortion occurs for total transmitting signal.
Further, the sub signal amplifying unit includes the first power amplifier；
The second output terminal of the coupler is connect with the input terminal of first power amplifier, and first power is put
The big output end of device is connect with the second input terminal of the combiner.
So set, the utility model amplifies sub signal by the first power amplifier, so that combiner exports
Total transmitting signal the transmission of signal intensity ratio host radiofrequency signal it is big.
Further, the sub signal amplifying unit further includes attenuator circuit, then the second output terminal of the coupler with
The input terminal of first power amplifier connects, specifically:
The second output terminal of the coupler is connect with the attenuator circuit input terminal, the attenuator circuit output end and institute
State the input terminal connection of the first power amplifier.
So set, the utility model can carry out a degree of decaying to sub signal, sub signal is avoided to enter the first function
Saturation distortion occurs after rate amplifier.
Further, the sub signal amplifying unit further includes match circuit, then the second output terminal of the coupler with
The input terminal of first power amplifier connects, specifically:
The second output terminal of the coupler is connect with the match circuit input terminal, the match circuit output end and institute
State the input terminal connection of the first power amplifier.
So set, the utility model can carry out impedance matching to the network at match circuit both ends, circuit stability is made to work.
In order to solve identical technical problem, second aspect, the utility model embodiment additionally provides a kind of active antenna,
It include: antenna transmission circuit, antenna and the first antenna plug as described in any one of above-mentioned first aspect offer；
The first antenna plug is connect with the fixing end of first transceiver toggle switch, the antenna and described second
The fixing end of transceiver toggle switch connects.
Further, the first antenna plug is equipped with power supply terminal, and the power supply terminal is received with the signal respectively
The power end of module is connected with the power end of the sub signal amplifying unit.
Further, the first antenna plug is equipped with transceiver toggle switch control terminal, the transceiver toggle switch control
Terminal processed respectively with first transceiver toggle switch control signal receiving end and the second transceiver toggle switch control signal
Receiving end connection.
In order to solve identical technical problem, the third aspect, the utility model embodiment additionally provides a kind of electronic equipment,
Including active antenna, the second aerial plug, receives link and the transmitting chain as described in any one that is provided such as above-mentioned second aspect
Road, the transmitting link include the second power amplifier；
Second aerial plug is connect with the output end of the output end of the receives link and the transmitting link respectively；
Described the in active antenna described in any one that second aerial plug and above-mentioned second aspect provide
The matching connection of one aerial plug.
A kind of antenna transmission circuit, active antenna and the electronic equipment of above-mentioned offer can will be transmitted single by main signal
The main signal of member transmission is that a transmission power is larger with the sub signal combining after the enhanced processing of sub signal amplifying unit
Total transmitting signal, to reduced under the premise of guaranteeing signal transmission power to the requirement of the power requirements of power amplifier,
Due to reducing the power requirements of power amplifier, heat production reduces, helps radiate, realize the signal transmission power of communication equipment
Design is taken into account with heat dissipation；And route shortens between signal receiving module and antenna, loss reduces, and the reception for improving antenna is sensitive
Degree.
Detailed description of the invention
Fig. 1 is a kind of the first structural schematic diagram for antenna transmission circuit that the utility model embodiment one provides；
Fig. 2 is a kind of second of structural schematic diagram of antenna transmission circuit that the utility model embodiment one provides；
Fig. 3 is a kind of the third structural schematic diagram for antenna transmission circuit that the utility model embodiment one provides；
Fig. 4 is a kind of the 4th kind of structural schematic diagram of antenna transmission circuit that the utility model embodiment one provides；
Fig. 5 is a kind of structural reference schematic diagram for active antenna that the utility model embodiment two provides；
Fig. 6 is the structural reference schematic diagram for a kind of electronic equipment that the utility model embodiment three provides.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
Referring to Fig. 1, the first structure that Fig. 1 is a kind of antenna transmission circuit that the utility model embodiment one provides is shown
It is intended to.The utility model embodiment provides a kind of antenna transmission circuit, is suitable for active antenna, comprising: the first transmitting-receiving switching
Switch 1, the second transceiver toggle switch 2, signal emission module 3, signal receiving module 4, the signal emission module 3 include closing
Road device 5, main signal transmission unit 6 and sub signal amplifying unit 7；
First transceiver toggle switch 1 is connect with the input terminal of the main signal transmission unit 6, the main signal transmission
The output end of unit 6 is connect with the first input end of the combiner 5, the output end of the combiner 5 and second transmitting-receiving
Switch switch 2 to connect；
First transceiver toggle switch 1 is connect with the input terminal of the sub signal amplifying unit 7, the sub signal amplification
The output end of unit 7 is connect with the second input terminal of the combiner 5；
Second transceiver toggle switch 2 is connect with the input terminal that the signal receives 4 pieces of mould, the signal receiving module
4 output end is connect with first transceiver toggle switch 1.
It should be noted that only the first transceiver toggle switch 1 and the second connection signal transmitting simultaneously of transceiver toggle switch 2
Module 3 perhaps simultaneously connection signal receiving module 4 when the antenna transmission circuit could being emitted or carried out to signal
It receives, i.e., the described antenna transmission circuit is by the first transceiver toggle switch 1 and the to the transmitting of signal or the reception of signal
The switching of two transceiver toggle switch 2 comes what timesharing carried out.
Main signal transmission unit 6 is used to for main signal being transmitted to the first input end of combiner 5, sub signal amplifying unit 7
For sub signal to be amplified to the second input terminal for being processed and transmitted to combiner 5, main signal and sub signal are that host passes
The radiofrequency signal of a part of defeated radiofrequency signal, host transmission is made of main signal with without the sub signal of enhanced processing.
Main signal and sub signal combining Jing Guo enhanced processing can be a total transmitting signal by combiner 5.
Specifically, the first transceiver toggle switch 1 and the second transceiver toggle switch 2 are same when antenna transmission circuit emits signal
When connection signal transmitting module, the radiofrequency signal that 1 receiving host of the first transceiver toggle switch is transferred to, a part of radiofrequency signal
Signal is as main signal, cocurrent main signal transmission unit, is delivered to the first defeated of combiner 5 by main signal transmission unit 6
Enter end；Another part signal of radiofrequency signal flows into sub signal amplifying unit 7 as sub signal, and sub signal amplifying unit 7 is right
Sub signal after enhanced processing is delivered to the second input terminal of combiner 5, is combined as a result, by sub signal after enhanced processing
Device 5 is combined the sub signal after main signal and enhanced processing, obtains a total transmitting signal.It is put since sub signal have passed through
Big processing improves antenna so obtained total transmitting signal can be bigger than the power for the radiofrequency signal that script host transmits
Transmission power obtains bigger signal radiation range；Meanwhile total transmitting signal synthesizes acquisition, communication equipment by two paths of signals
The power requirements of power amplifier device appropriate can reduce, heat production is reduced, and is helped the heat dissipation of communication equipment, is avoided communication
Equipment processor in the use of long-time or high intensity overheats, and communication equipment network goes offline, and influences the transmitting-receiving of signal of communication, real
The signal transmission power for having showed communication equipment takes into account design with what is radiated.
When antenna transmission circuit receives signal, the first transceiver toggle switch 1 and the second transceiver toggle switch 2 connect letter simultaneously
Number receiving module 4, extraneous signal are flowed into signal receiving module 4, then are connect from signal by antenna, the second transceiver toggle switch 2
It receives module 4 and 1 switch of the first transmitting-receiving switching flows into host, it is however generally that, it will include low-noise amplifier in signal receiving module 4
LNA, for being transmitted to host after amplifying to the signal that antenna obtains, and noise coefficient is low, avoids making an uproar for amplifier itself
Sound is serious to signal interference, meanwhile, low-noise amplifier LNA is set in antenna transmission circuit, can be shaken with the antenna of antenna
Son is connected, and shortens route, low, the equivalent noise coefficient for reducing receiving channel is lost, so improving connecing for active antenna
Receive sensitivity.
Referring to Fig. 2, second of structure that Fig. 2 is a kind of antenna transmission circuit that the utility model embodiment one provides is shown
It is intended to.Further, the signal emission module 3 further includes coupler 8, then first transceiver toggle switch 1 and the master
The input terminal of signal transmission unit 6 connect and first transceiver toggle switch 1 and the sub signal amplifying unit 7 it is defeated
Enter end connection, specifically:
First transceiver toggle switch 1 is connect with the input terminal of the coupler 8；
First output end of the coupler 8 is connect with the input terminal of the main signal transmission unit 6；
The second output terminal of the coupler 8 is connect with the input terminal of the sub signal amplifying unit 7.
Specifically, the radiofrequency signal that receiving host transmits is delivered to the input of coupler 8 by the first transceiver toggle switch 1
End is coupled out a sub signal by certain coefficient of coup by coupler 8, and passes from the second output terminal of the coupler 8
The input terminal of sub signal amplifying unit 7 is transported to, the main signal that coupler 8 exports is transmitted to by the first output end of coupler 8
The input terminal of main signal transmission unit 6.In this way, the radiofrequency signal that host transmits can be divided by coupler 8 by two paths of signals,
And the sub signal that coupler 8 couples is identical as the content of main signal, only intensity is different, will not change in the signal of radiofrequency signal
Hold.
Referring to Fig. 3, the third structure that Fig. 3 is a kind of antenna transmission circuit that the utility model embodiment one provides is shown
It is intended to.Further, the main signal transmission unit includes phase-shift circuit；
First output end of the coupler 8 is connect with the input terminal of the phase-shift circuit 9, the phase-shift circuit 9 it is defeated
Outlet is connect with the first input end of the combiner 5.
Due to sub signal sub signal amplifying unit 7 combiner 5 can be just delivered to after enhanced processing it is second defeated
Enter end, with main signal combining at total transmitting signal, main signal flows into phase-shift circuit 9, can adjust main signal by phase-shift circuit 9
Phase, keep main signal synchronous with sub signal holding, make synthesis total transmitting signal content and host transmission radio frequency believe
Number content it is the same, the radiofrequency signal generation phase distortion for avoiding total transmitting signal of synthesis from transmit compared to host.
Further, the sub signal amplifying unit 7 includes the first power amplifier 10；
The second output terminal of the coupler 8 is connect with the input terminal of first power amplifier 10, first function
The output end of rate amplifier 10 is connect with the second input terminal of the combiner 5.
Specifically, the first power amplifier 10 is used to amplify sub signal, so that total transmitting letter that combiner 5 exports
Number signal power it is bigger than the radiofrequency signal that host transmits.
Further, the sub signal amplifying unit 7 further includes attenuator circuit 11, then the second output of the coupler 8
End is connect with the input terminal of first power amplifier 10, specifically:
The second output terminal of the coupler 8 is connect with 11 input terminal of attenuator circuit, and the attenuator circuit 11 exports
End is connect with the input terminal of first power amplifier 10.
It should be noted that sub signal is by coupler 8 according to certain coefficient of coup coupling output, it is possible to meeting
There is the coefficient of coup and be not suitable for the first power amplifier 10, so that being delivered to the sub signal intensity mistake of the first power amplifier 10
Greatly, the case where causing the first 10 saturation distortion of power amplifier.Specifically, attenuator circuit is set in sub signal amplifying unit 7,
A degree of decaying is carried out to sub signal, saturation distortion occurs after avoiding sub signal from entering the first power amplifier.
Referring to Fig. 4, the 4th kind of structure that Fig. 4 is a kind of antenna transmission circuit that the utility model embodiment one provides is shown
It is intended to.Further, the sub signal amplifying unit 7 further includes match circuit 12, then the second output terminal of the coupler 8 with
The input terminal of first power amplifier 10 connects, specifically:
The second output terminal of the coupler 8 is connect with 12 input terminal of match circuit, and the match circuit 12 exports
End is connect with the input terminal of first power amplifier 10.
It should be noted that the first power amplifier 10 may there are certain requirements input impedance, input impedance is not carried out
Matching will lead to electricity when inputting the impedance of the sub signal of the first power amplifier 10 cannot match with the first power amplifier 10
Road is unstable, it is also possible to the problems such as will lead to efficiency reduction, the distorted signals of circuit.Specifically, in sub signal amplifying unit 7
Match circuit 12 is set, impedance matching is carried out to the network at 12 both ends of match circuit, circuit stability is made to work.
Optionally, sub signal amplifying unit 7 is provided with match circuit 12, can also include attenuator circuit 11, believes pair
Number a degree of decaying is carried out, saturation distortion occurs after avoiding sub signal from entering the first power amplifier.
When it is implemented, antenna transmission circuit provided by the embodiment of the utility model, when launching outward signal, can will lead to
The main signal of the transmission of main signal transmission unit 6, which is crossed, with the sub signal combining after the enhanced processing of sub signal amplifying unit 7 is
One transmission power biggish total transmitting signal when receiving outer signals, can be cut extraneous signal by antenna, the second transmitting-receiving
It changes switch 2 and flows into signal receiving module 4, then flow into communication equipment master from signal receiving module 4 and the first transceiver toggle switch 1
Machine.
The utility model embodiment is further amplified by power of the sub signal amplifying unit to radiofrequency signal, does not improve master
The power grade of plate power amplifier, mainboard heat production reduce, help radiate, can take into account signal transmission power and heat dissipation；And believe
Route shortens number between receiving module and antenna, and loss reduces, and improves the receiving sensitivity of antenna.
Embodiment two
Referring to Fig. 5, Fig. 5 is a kind of structural reference schematic diagram for active antenna that the utility model embodiment two provides.
The utility model embodiment two provides a kind of active antenna, comprising: the antenna as described in one any one of above-described embodiment is received
Power Generation Road, antenna 13 and first antenna plug 14；
The first antenna plug 14 is connect with the fixing end of first transceiver toggle switch 1, the antenna 13 and institute
State the fixing end connection of the second transceiver toggle switch 2.
It should be noted that active antenna can connect to host by first antenna plug 14；By antenna 13,
The radiofrequency signal of host can be radiated to the external world, or receive outer signals.
Specifically, outwardly radiation signal when, the radiofrequency signal of host transmission is delivered to first antenna plug 14, first day
Line plug 14 is connect with the fixing end of the first transceiver toggle switch 1, and then the radiofrequency signal that host transmits is delivered to antenna and is received
Power Generation Road, then radiate by antenna 13；When receiving outer signals, antenna 13 gets outer signals, passes through the second transmitting-receiving
Outer signals are delivered to signal receiving module 4, the first transceiver toggle switch 1 by switching switch 2, then pass through first antenna plug 14
It is transmitted to host.
Further, the first antenna plug 14 is equipped with power supply terminal, and the power supply terminal connects with the signal respectively
The power end for receiving module 4 is connected with the power end of the sub signal amplifying unit 7.
Specifically, the power supply of active antenna introduces power supply from host by the power supply terminal of first antenna plug 14, to have
Source antenna power supply.
Further, the first antenna plug 14 is equipped with transceiver toggle switch control terminal, the transceiver toggle switch
Control of the control terminal respectively with the control signal receiving end of first transceiver toggle switch and the second transceiver toggle switch is believed
The connection of number receiving end.
Specifically, antenna transmission circuit is by the first transceiver toggle switch 1 to the transmitting of signal or the reception of signal
Switching with the second transceiver toggle switch 2 comes what timesharing carried out, passes through the transceiver toggle switch control terminal of first antenna plug 14
Son switches the first transmitting-receiving to realize to the first transceiver toggle switch 1 and the second transceiver toggle switch 2 conveying control signal
The timesharing switching control of switch 1 and the second transceiver toggle switch 2, wherein control signal is generated from host, is inserted by first antenna
First 14 are introduced into active antenna.
Optionally, first antenna plug 14 can be equipped with power supply terminal and transceiver toggle switch control terminal simultaneously, that is, have
The power supply of source antenna and the control signal of transceiver toggle switch can be introduced into active antenna by first antenna plug.
Embodiment three
The utility model embodiment three provides a kind of electronic equipment, referring to Fig. 6, Fig. 6 is the utility model embodiment
The structural reference schematic diagram of three a kind of electronic equipment provided.Including active antenna as described above, the second aerial plug 15,
Receives link 16 and transmitting link 17, the transmitting link 17 include the second power amplifier 18；
Second aerial plug 15 output with the output end of the receives link 16 and the transmitting link 17 respectively
End connection；
It is described in active antenna described in any one that second aerial plug 15 is provided with above-described embodiment two
The matching connection of first antenna plug 14.
Specifically, the second aerial plug 15 is by matching connection with first antenna plug 14, thus connection such as above-mentioned implementation
Active antenna described in two any one of example, when launching outward signal, the second power that signal first passes through transmitting link 17 is put
Big device 18 carries out preliminary amplification, becomes the radiofrequency signal conveyed to active antenna, and radiofrequency signal is passing through antenna transmission circuit
Radiofrequency signal is handled, concrete processing procedure and for example above-mentioned antenna transmission circuit of principle to the treatment process of radiofrequency signal and
Principle is consistent, and details are not described herein.When receiving outer signals, it is transmitted to and connects after being handled by active antenna outer signals
Link 16 is received to receive, it is however generally that, the receives link 16 is not provided with low noise amplifier circuit.
So set, first of power requirements and antenna transmission circuit to the second power amplifier 18 of transmitting link 17
After the power requirements of power amplifier 10 suitably lower the requirement, also can the outwardly higher signal of emissive porwer, obtain larger
Radiation scope；The power requirements of first power amplifier 10 and the second power amplifier 18 lower, and heat production is reduced, and help to dissipate
Heat；And first power amplifier 10 be set to antenna transmission circuit, the host set on electronic equipment of the second power amplifier 18, divide
Heat source has been dissipated, has further helped to radiate.
The electronic equipment can be the communication equipments such as computer, mobile phone, router.The electronic equipment may include, but not
It is only limitted to, processor, memory.
In Installation practice attached drawing provided by the utility model, the connection relationship between module indicates to have between them logical
Letter connection, specifically can be implemented as one or more communication bus or signal wire.Those of ordinary skill in the art are not paying wound
In the case that the property made is worked, it can understand and implement.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (10)
1. a kind of antenna transmission circuit, which is characterized in that be suitable for active antenna, comprising: the first transceiver toggle switch, second are received
Hair switching switch, signal emission module, signal receiving module, the signal emission module include combiner, main signal transmission list
Member and sub signal amplifying unit；
First transceiver toggle switch is connect with the input terminal of the main signal transmission unit, the main signal transmission unit
Output end is connect with the first input end of the combiner, and the output end of the combiner and second transceiver toggle switch connect
It connects；
First transceiver toggle switch is connect with the input terminal of the sub signal amplifying unit, the sub signal amplifying unit
Output end is connect with the second input terminal of the combiner；
Second transceiver toggle switch is connect with the input terminal of the signal receiving module, the output of the signal receiving module
End is connect with first transceiver toggle switch.
2. antenna transmission circuit as described in claim 1, which is characterized in that the signal emission module further includes coupler,
Then first transceiver toggle switch is connect with the input terminal of the main signal transmission unit and the first transmitting-receiving switching is opened
Pass is connect with the input terminal of the sub signal amplifying unit, specifically:
First transceiver toggle switch is connect with the input terminal of the coupler；
First output end of the coupler is connect with the input terminal of the main signal transmission unit；
The second output terminal of the coupler is connect with the input terminal of the sub signal amplifying unit.
3. antenna transmission circuit as claimed in claim 2, which is characterized in that the main signal transmission unit includes phase shift electricity
Road；
First output end of the coupler is connect with the input terminal of the phase-shift circuit, the output end of the phase-shift circuit and institute
State the first input end connection of combiner.
4. antenna transmission circuit as claimed in claim 2, which is characterized in that the sub signal amplifying unit includes the first power
Amplifier；
The second output terminal of the coupler is connect with the input terminal of first power amplifier, first power amplifier
Output end connect with the second input terminal of the combiner.
5. antenna transmission circuit as claimed in claim 4, which is characterized in that the sub signal amplifying unit further includes decaying electricity
Road, then the second output terminal of the coupler is connect with the input terminal of first power amplifier, specifically:
The second output terminal of the coupler is connect with the attenuator circuit input terminal, the attenuator circuit output end and described the
The input terminal of one power amplifier connects.
6. antenna transmission circuit as claimed in claim 4, which is characterized in that the sub signal amplifying unit further includes matching electricity
Road, then the second output terminal of the coupler is connect with the input terminal of first power amplifier, specifically:
The second output terminal of the coupler is connect with the match circuit input terminal, the match circuit output end and described the
The input terminal of one power amplifier connects.
7. a kind of active antenna characterized by comprising antenna transmission circuit as described in claim 1 to 6 any one,
Antenna and first antenna plug；
The first antenna plug is connect with the fixing end of first transceiver toggle switch, the antenna and second transmitting-receiving
The fixing end connection of switching switch.
8. active antenna as claimed in claim 7, which is characterized in that the first antenna plug is equipped with power supply terminal, described
Power supply terminal is connect with the power end of the power end of the signal receiving module and the sub signal amplifying unit respectively.
9. the active antenna as described in claim 7 to 8 any one, which is characterized in that the first antenna plug, which is equipped with, to be received
Hair switching switch control terminal, the transceiver toggle switch control terminal are believed with the control of first transceiver toggle switch respectively
Number receiving end is connected with the control signal receiving end of the second transceiver toggle switch.
10. a kind of electronic equipment, which is characterized in that including as described in claim 7 to 9 any one active antenna, second
Aerial plug, receives link and transmitting link, the transmitting link include the second power amplifier；
Second aerial plug is connect with the output end of the output end of the receives link and the transmitting link respectively；
Second aerial plug is inserted with the first antenna in the active antenna as described in claim 7 to 9 any one
Head matching connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520568.6U CN208939946U (en) | 2018-09-17 | 2018-09-17 | A kind of antenna transmission circuit, active antenna and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520568.6U CN208939946U (en) | 2018-09-17 | 2018-09-17 | A kind of antenna transmission circuit, active antenna and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN208939946U true CN208939946U (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821520568.6U Active CN208939946U (en) | 2018-09-17 | 2018-09-17 | A kind of antenna transmission circuit, active antenna and electronic equipment |
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| CN (1) | CN208939946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111525281A (en) * | 2020-04-07 | 2020-08-11 | 普联技术有限公司 | Intelligent antenna device |
| CN112491434A (en) * | 2019-08-20 | 2021-03-12 | 合肥杰发科技有限公司 | Radio frequency front-end circuit, radio frequency signal receiving method, communication method and communication equipment |
-
2018
- 2018-09-17 CN CN201821520568.6U patent/CN208939946U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112491434A (en) * | 2019-08-20 | 2021-03-12 | 合肥杰发科技有限公司 | Radio frequency front-end circuit, radio frequency signal receiving method, communication method and communication equipment |
| CN111525281A (en) * | 2020-04-07 | 2020-08-11 | 普联技术有限公司 | Intelligent antenna device |
| CN111525281B (en) * | 2020-04-07 | 2021-09-10 | 普联技术有限公司 | Intelligent antenna device |
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