CN210578535U - Radio frequency control circuit and electronic equipment - Google Patents
Radio frequency control circuit and electronic equipment Download PDFInfo
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- CN210578535U CN210578535U CN201922263252.4U CN201922263252U CN210578535U CN 210578535 U CN210578535 U CN 210578535U CN 201922263252 U CN201922263252 U CN 201922263252U CN 210578535 U CN210578535 U CN 210578535U
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Abstract
The utility model provides a radio frequency control circuit and electronic equipment, radio frequency control circuit specifically includes: the device comprises a processor, a control line, a plurality of radio frequency devices and a voltage regulating module; wherein the processor is connected with each radio frequency device through the control line; an identification code reading end is arranged on the radio frequency device; the voltage regulating module is connected with each reading end and used for outputting a target voltage to each reading end. The embodiment of the utility model provides an in, can pass through voltage regulation module is to a plurality of the different target voltage of radio frequency device's reading end output changes a plurality ofly radio frequency device's USID, so that it is a plurality of radio frequency device can have a set of MIPI on the line simultaneously, satisfies the demand of communication. Therefore, the radio frequency device can be prevented from being provided with a large number of pins, the complexity of the radio frequency device is reduced, and the cost of the radio frequency device can be reduced.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a radio frequency control circuit and electronic equipment.
Background
With the development of communication technology, the communication demand of users for electronic devices is higher and higher. A fifth generation mobile communication network (5G) electronic device receives wide attention from users at a very high data transmission rate and a very low time delay. With the increase of communication capability, the number of radio frequency devices on 5G electronic equipment has also been increased dramatically.
The radio frequency device on the 5G electronic device is generally controlled by a Mobile Industry Processor Interface (MIPI) protocol. When the radio frequency devices are controlled by the MIPI protocol, each radio frequency device needs to have an independent identity identification code (USID) for the MIPI to identify the radio frequency device, and radio frequency devices with the same USID cannot exist on a group of MIPI lines, namely only one radio frequency device on the same group of MIPI lines exists. However, due to the complexity of the radio frequency architecture of the 5G electronic device, only one and the same radio frequency device exists on a set of MIPI lines, which cannot meet the requirement of communication.
In the prior art, in order to enable a group of MIPI lines to have a plurality of identical radio frequency devices, one or more pins are usually added to the radio frequency devices to change their own USIDs, and different USIDs are realized by high and low levels on the pins, for example, in the case where two identical radio frequency devices need to be arranged on the same group of MIPI lines, the added pin of one radio frequency device may be grounded to realize a low level, and the pin of the other radio frequency device is suspended to realize a high level, so as to realize different USIDs.
However, as the radio frequency architecture of the 5G electronic device is increasingly complex, the number of the same radio frequency devices required to exist on a set of MIPI lines is gradually increased, and accordingly, the number of pins required to be newly added on the radio frequency devices is also increased, and as the number of the pins is increased, the structure of the radio frequency device is designed to be more and more complex, the cost is also higher and more, and the radio frequency control circuit connected to the radio frequency device is also correspondingly more and more complex.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a radio frequency control circuit and electronic equipment can solve current radio frequency device pin more, and the structure is more complicated and the higher problem of cost.
In order to solve the above problem, in a first aspect, the present invention discloses a radio frequency control circuit, which is characterized by comprising: the device comprises a processor, a control line, a plurality of radio frequency devices and a voltage regulating module; wherein,
the processor is connected with each radio frequency device through the control line;
an identification code reading end is arranged on the radio frequency device;
the voltage regulation module is connected with each reading end and used for outputting a target voltage to each reading end
In a second aspect, the present invention also discloses an electronic device, including: the radio frequency control circuit.
The utility model discloses a following advantage:
the embodiment of the utility model provides an in, read the end through being equipped with the identification code on every radio frequency device to with voltage regulation module and every the read the end is connected, voltage regulation circuit can be used for to every read end output target voltage, target voltage can change the USID of this radio frequency device. In practical application, different target voltages can be output to the reading ends of the radio frequency devices through the voltage regulating module, and the USIDs of the radio frequency devices are changed, so that the USIDs of the radio frequency devices are different, and the radio frequency devices can simultaneously exist on a group of MIPI lines, thereby meeting the communication requirement. Therefore, the radio frequency device can be prevented from being provided with a large number of pins, the complexity of the radio frequency device is reduced, and the cost of the radio frequency device can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a radio frequency control circuit according to the present invention;
fig. 2 is a schematic structural diagram of another rf control circuit according to the present invention;
fig. 3 is a schematic structural diagram of another rf control circuit according to the present invention;
fig. 4 is a schematic structural diagram of another rf control circuit according to the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a schematic structural diagram of a radio frequency control circuit of the present invention is shown, which may specifically include: a processor 10, a control line 11, a plurality of radio frequency devices 12 and a voltage regulation module 13; wherein, the processor 10 is connected with each radio frequency device 12 through a control line 11; the radio frequency device 12 is provided with an identification code reading end A; a voltage regulation module 13 is connected to each read terminal a for outputting a target voltage to each read terminal a, which may be used to change the USID of the rf device 12.
The embodiment of the utility model provides an in, can change the USID of radio frequency device 12 to the different target voltage of the read end A output of a plurality of radio frequency devices 12 through adjusting voltage regulation module 13 for the USID of a plurality of radio frequency devices 12 is different, so that a plurality of radio frequency devices 12 can exist simultaneously on a set of MIPI line, satisfy the demand of communication. Therefore, the arrangement of a large number of pins on the radio frequency device 12 can be avoided, the complexity of the radio frequency device 12 is reduced, and further, the cost of the radio frequency device 12 can be reduced.
In practical application, after the radio frequency device 12 reads the target voltage input by the reading end a, the corresponding USID can be matched, so that the function of distinguishing different USIDs from the same radio frequency device 12 is realized.
In the embodiment of the present invention, the rf control circuit is through increasing voltage regulation module 13 to connect voltage regulation module 13 at the reading end a of rf device 12, can adjust the target voltage to reading end a output. The rf device 12 can read the target voltage of the reading terminal a by using the conventional technology, and match the corresponding USID.
Referring to fig. 2, which shows a schematic structural diagram of another rf control circuit of the present invention, as shown in fig. 2, the control line 11 may include a power line 111, a clock line 112, and a data line 113; the radio frequency device 12 is provided with a power input end B, a clock input end C and a data input end D; wherein the processor 10 is connected to each power input B via a power line 111, to each clock input C via a clock line 112 and to each data input D via a data line 113.
In practical applications, the power line 111 may be used to supply power to the rf device 12, and specifically, the voltage output from the power line 111 to the power input terminal B is generally 1.8 v. The clock line 112 may be configured to send a clock signal to the radio frequency device 12, the data line 113 may be configured to send a data signal to the radio frequency device 12, and different logic configurations may be implemented for various registers in the radio frequency device 12 through the clock line 112 and the data line 113, so as to implement multiple state control.
The embodiment of the utility model provides an in, can also be provided with power output end E on the radio frequency device 12, voltage regulation module 13 can one end be connected with power output end E, other end ground connection, and the reading end of radio frequency device 12 then can be connected on voltage regulation module 13, in order to realize target voltage's input, the inside of radio frequency device 12 does not need other voltage value converting circuit, only need set up reading end A and power output end E can.
In practical applications, since one end of the voltage regulation module 13 may be connected to the power output terminal E, the power output terminal E may be used for inputting voltage to the voltage regulation module 13. For example, the power output terminal E may output a voltage of 1.8 v to the voltage regulation module 13, and the other terminal of the voltage regulation module 13 is grounded, so that the voltage regulation module 13 forms a closed loop.
As shown in fig. 2, the voltage regulation module 13 may include a plurality of voltage regulation submodules 130, and the voltage regulation submodules 130 may include a first resistor R1 and a second resistor R2 connected in series, where a first end of the first resistor R1 is connected to the power output terminal E of one rf device 12, a second end of the first resistor R1 is connected to a first end of the second resistor R2, a second end of the second resistor R2 is grounded, and a read terminal a of the rf device 12 is connected between a second end of the first resistor R1 and a first end of the second resistor R2; the ratio of the first resistor R1 to the second resistor R2 of each voltage regulation submodule 130 is different.
In practical applications, for each voltage regulation submodule 130, since the first terminal of the first resistor R1 is connected to the power output terminal E of one of the rf devices 12, the second terminal of the first resistor R1 is connected to the first terminal of the second resistor R2, and the second terminal of the second resistor R2 is grounded, the voltage regulation submodule 130 can form a closed loop. Since the reading terminal a of the rf device 12 is connected between the second terminal of the first resistor R1 and the first terminal of the second resistor R2, the target voltage inputted from the reading terminal a can be adjusted by adjusting the ratio of the first electron R1 to the second resistor R2.
Specifically, in the case that the rf control circuit includes a plurality of identical rf devices 12, and the voltage adjustment module 13 includes a plurality of voltage adjustment sub-modules 130, since the voltages output by the power output terminals E of the rf devices 12 are identical, in order to make the target voltages input by the reading terminals a of the plurality of rf devices 12 different to achieve different USIDs, the ratio of the first resistor R1 to the second resistor R2 of each voltage adjustment sub-module 130 is different.
For example, as shown in fig. 2, from top to bottom, in the first voltage regulation submodule 130, the ratio of the first resistor R1 to the second resistor R2 may be 1:2, in the second voltage regulation submodule 130, the ratio of the first resistor R1 to the second resistor R2 may be 1:3, and in the second voltage regulation submodule 130, the ratio of the first resistor R1 to the second resistor R2 may be 2: 1.
In practical application, the voltage regulation module 13 is divided into a plurality of voltage regulation sub-modules 130, and one voltage regulation sub-module 130 is used to separately input the target voltage to one radio frequency device 12, so that the target voltage input to each radio frequency device 12 by the voltage regulation module 13 can be flexibly regulated, and further, the layout flexibility of the radio frequency control circuit can be improved.
Referring to fig. 3, which shows a schematic structural diagram of another rf control circuit of the present invention, as shown in fig. 3, the voltage regulating module 13 may include a plurality of serially connected third resistors R3; one end of each of the plurality of serially connected third resistors R3 is connected to the power output end E of one of the rf devices 12, and the other end is grounded; the read terminal a of each rf device 12 is connected between two adjacent third resistors R3, and the connection position of each read terminal a is different.
Specifically, since the voltage regulation module 13 includes a plurality of third resistors R3 connected in series; one end of the series-connected third resistors R3 is connected to the power output terminal E of the rf device 12, and the other end is grounded, so that the series-connected third resistors R3 form a closed loop. Since the read terminal a of each rf device 12 is connected between two adjacent third resistors R3, and the connection position of each read terminal a is different, the target voltage input by each rf device 12 is also different, and the USID of each rf device 12 is correspondingly different.
As shown in fig. 3, the power output end E of the rf device 12 not connected to the voltage regulating circuit 13 may be suspended, that is, compared with the rf control circuit shown in fig. 3, the rf control circuit shown in fig. 3 may reduce the number of resistors, thereby achieving the effect of reducing the circuit cost.
Referring to fig. 4, a schematic structural diagram of another rf control circuit of the present invention is shown, as shown in fig. 4, a reading terminal a of the rf device 12 is a power input terminal B; the voltage regulating module 13 is respectively connected to the power line 111 and the power input terminal B of each rf device 12.
In practical applications, since the voltage adjusting module 13 is respectively connected to the power line 111 and the power input terminal B of each rf device 12, the voltage adjusting module 13 can adjust the target voltage output to each rf device, so that the target voltage input to the power input terminal B of each rf device 12 is different to implement different USIDs. The embodiment of the utility model provides an in, through setting up voltage regulation module 13 at the power input end B of radio frequency device 12, can avoid adding reading end A and power output end E at radio frequency device 12 again, further reduce the pin figure on the radio frequency device 12, reduce the complexity and the cost of radio frequency device 12.
As shown in fig. 4, the voltage regulating module 13 may include a plurality of fourth resistors R4 connected in series; one end of each of the plurality of serially connected fourth resistors R4 is connected to the power line 111, and the other end is grounded; the B power input terminal of each of the rf devices 12 is connected between two adjacent fourth resistors R4, and the connection position of each power input terminal B is different.
Specifically, since the voltage regulating module 13 includes a plurality of serially connected fourth resistors R4, one end of the serially connected fourth resistors R4 is connected to the power line 111, and the other end is grounded, the serially connected fourth resistors R4 can form a closed loop. Since the B power input terminal of each rf device 12 is connected between two adjacent fourth resistors R4, and the connection position of each power input terminal B is different, the target voltage input by each rf device 12 is also different, and the USID of each rf device 12 is correspondingly different.
Optionally, a voltage adjusting circuit is further disposed in the radio frequency device 12, and the voltage adjusting circuit is connected to the power input terminal B, and the voltage adjusting circuit may be configured to adjust the target voltage input by the power input terminal B to an operating voltage.
In practical applications, the target voltages input at the power input terminals B of the rf devices 12 are different, and the target voltage is usually lower than the operating voltage (usually 1.8 v) provided by the power line 111, and in practical applications, the rf devices 12 often need to operate normally at the operating voltage. The embodiment of the utility model provides an in, in order not to influence the normal work of radio frequency device 12, still be provided with voltage adjustment circuit in the radio frequency device 12, voltage adjustment circuit is connected with power input end B, voltage adjustment circuit can be used for with power input end B input the target voltage adjustment is operating voltage, makes things convenient for the normal use of radio frequency device 12.
Optionally, the rf device 12 may include at least one of a power amplifier, a noise amplifier, a switch, an antenna regulator, and an rf power manager, and the embodiment of the present invention may not be limited to the specific type of the rf device 12.
To sum up, the embodiment of the present invention provides a radio frequency control circuit including following advantage at least:
the embodiment of the utility model provides an in, read the end through being equipped with the identification code on every radio frequency device to with voltage regulation module and every the read the end is connected, voltage regulation circuit can be used for to every read end output target voltage, target voltage can change the USID of this radio frequency device. In practical application, different target voltages can be output to the reading ends of the radio frequency devices through the voltage regulating module, and the USIDs of the radio frequency devices are changed, so that the USIDs of the radio frequency devices are different, and the radio frequency devices can simultaneously exist on a group of MIPI lines, thereby meeting the communication requirement. Therefore, the radio frequency device can be prevented from being provided with a large number of pins, the complexity of the radio frequency device is reduced, and the cost of the radio frequency device can be reduced.
The embodiment of the utility model provides an electronic equipment is still provided, electronic equipment can include above-mentioned radio frequency control circuit. In practical application, the radio frequency controllable circuit may be used in cooperation with a power module, an antenna module and other devices in the electronic device to implement receiving and transmitting of radio frequency signals and implement a communication function of the electronic device. Specifically, the electronic device may include, but is not limited to, any one of a mobile phone, a tablet computer, and a wearable device, and the embodiment of the present invention is not limited to the type of the electronic device.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The radio frequency control circuit and the electronic device provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A radio frequency control circuit, comprising: the device comprises a processor, a control line, a plurality of radio frequency devices and a voltage regulating module; wherein,
the processor is connected with each radio frequency device through the control line;
an identification code reading end is arranged on the radio frequency device;
the voltage regulating module is connected with each reading end and used for outputting a target voltage to each reading end.
2. The radio frequency control circuit according to claim 1, wherein a power output terminal is further disposed on the radio frequency device;
one end of the voltage regulating module is connected with the power output end, and the other end of the voltage regulating module is connected with the ground.
3. The radio frequency control circuit of claim 2, wherein the voltage regulation module comprises a plurality of voltage regulation submodules, the voltage regulation submodules comprising a first resistor and a second resistor connected in series; wherein,
the first end of the first resistor is connected with the power supply output end of one radio frequency device, the second end of the first resistor is connected with the first end of the second resistor, the second end of the second resistor is grounded, and the reading end of the radio frequency device is connected between the second end of the first resistor and the first end of the second resistor;
the ratio of the first resistance to the second resistance of each voltage regulating submodule is different.
4. The rf control circuit of claim 2, wherein the voltage regulating module comprises a plurality of third resistors connected in series; wherein,
one end of each of the plurality of serially connected third resistors is connected with the power output end of one of the radio frequency devices, and the other end of each of the plurality of serially connected third resistors is grounded;
and the reading end of each radio frequency device is connected between two adjacent third resistors, and the connection position of each reading end is different.
5. The radio frequency control circuit according to claim 1, wherein the control lines include a power line, a clock line, and a data line; the radio frequency device is provided with a power supply input end, a clock input end and a data input end; wherein
The processor is connected with each power input end through the power line, connected with each clock input end through the clock line, and connected with each data input end through the data line.
6. The RF control circuit of claim 5, wherein the read terminal of the RF device is the power input terminal;
the voltage regulating module is respectively connected with the power line and the power input end of each radio frequency device.
7. The RF control circuit of claim 6, wherein the voltage regulation module comprises a plurality of fourth resistors connected in series; wherein,
one end of each of the plurality of serially connected fourth resistors is connected with the power line, and the other end of each of the plurality of serially connected fourth resistors is grounded;
and the power supply input end of each radio frequency device is connected between two adjacent fourth resistors, and the connection position of each power supply input end is different.
8. The RF control circuit of claim 7, further comprising a voltage adjustment circuit disposed in the RF device, wherein the voltage adjustment circuit is connected to the power input terminal, and the voltage adjustment circuit is configured to adjust the target voltage input from the power input terminal to an operating voltage.
9. The rf control circuit of claim 1, wherein the rf device comprises at least one of a power amplifier, a noise amplifier, a switch, an antenna regulator, and an rf power manager.
10. An electronic device, comprising: the radio frequency control circuit of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263252.4U CN210578535U (en) | 2019-12-13 | 2019-12-13 | Radio frequency control circuit and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263252.4U CN210578535U (en) | 2019-12-13 | 2019-12-13 | Radio frequency control circuit and electronic equipment |
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| CN210578535U true CN210578535U (en) | 2020-05-19 |
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| CN201922263252.4U Active CN210578535U (en) | 2019-12-13 | 2019-12-13 | Radio frequency control circuit and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098545A (en) * | 2021-03-26 | 2021-07-09 | 维沃移动通信有限公司 | Control method, device and equipment of radio frequency device and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098545A (en) * | 2021-03-26 | 2021-07-09 | 维沃移动通信有限公司 | Control method, device and equipment of radio frequency device and storage medium |
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