CN215010224U - C-band radio frequency front end assembly - Google Patents
C-band radio frequency front end assembly Download PDFInfo
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- CN215010224U CN215010224U CN202120399401.4U CN202120399401U CN215010224U CN 215010224 U CN215010224 U CN 215010224U CN 202120399401 U CN202120399401 U CN 202120399401U CN 215010224 U CN215010224 U CN 215010224U
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Abstract
The utility model provides a C-band radio frequency front end component, which comprises a receiving channel component, a control component, a power amplifier component, a power supply component and a plurality of communication interfaces, wherein the power amplifier component comprises a power divider, an ALC drive circuit, a drive amplifier, a final amplifier and a switch duplex module which are connected in sequence, the receiving channel module comprises a first power amplifier and a switch filter bank which are connected at one time, the power supply assembly comprises a filter, an AD-DC converter, a DC-DC converter and a plurality of low-dropout linear voltage regulators which are sequentially connected, the switch duplex module is connected with the first power amplifier, the low-dropout linear voltage regulator is respectively connected with the receiving channel assembly, the power amplifier assembly and the control assembly, and the control assembly is respectively connected with the power supply assembly, the receiving channel assembly and the power amplifier assembly; the utility model discloses simple structure, the protection nature is good.
Description
Technical Field
The utility model relates to a wireless communication technology field particularly, relates to a C wave band radio frequency front end subassembly.
Background
The radio frequency communication technology is an important component in the field of wireless communication, and is widely applied to the fields of automatic identification, monitoring, military, local area communication and the like at present. The RF front-end device is an essential component of the wireless communication system and is responsible for transmitting and receiving the RF signal rfin.
Currently, most rf front ends have the problems of large size, single signal transceiving and complex structure, which brings inconvenience to the use of the rf front ends.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a C wave band radio frequency front end subassembly, it can realize the receipt of the sum signal all the way, and the filtering, the numerical control decay, the power amplification function, the receipt of two tunnel and poor signal, the filtering moves mutually.
The embodiment of the utility model discloses a realize through following technical scheme:
the utility model provides a C wave band radio frequency front end subassembly, includes receiving channel subassembly, control assembly and power amplifier subassembly, receiving channel subassembly, control assembly and power amplifier subassembly interconnect, power amplifier subassembly divides ware, ALC drive circuit, driver amplifier, final amplifier and switch duplex module including the merit that connects gradually, the output of switch duplex module is connected receiving channel subassembly, the output of merit division ware still is connected with detection circuit.
Preferably, the receiving channel component includes a first power amplifier, a switch filter bank, a second power amplifier, an attenuator, a band-pass filter and a coupling detection circuit, which are connected in sequence, and the first power amplifier is connected with the switch duplex module.
Preferably, the radio frequency front end component further includes a power supply assembly, the power supply assembly includes a filter, an AD-DC converter, a DC-DC converter that connect gradually, the DC-DC converter is connected with first low dropout linear regulator, second low dropout linear regulator and third low dropout linear regulator respectively, first low dropout linear regulator with receive the passageway subassembly and connect, the second low dropout linear regulator with the control assembly is connected, the third low dropout linear regulator with the power amplifier subassembly is connected.
Preferably, the control component includes an FPGA chip and an EMI filter matrix, the FPGA chip is connected to the EMI filter matrix, and the EMI filter matrix is further connected to the receiving channel component, the power amplifier component, and the power supply component, respectively.
Preferably, the C-band radio frequency front-end component further includes a plurality of communication interfaces, each communication interface includes a debugging interface, a radio frequency signal interface and a power interface, the power interface is connected to the power supply component, the debugging interface is connected to the FPGA chip, and the radio frequency signal interface is connected to the receiving channel component and the power amplifier component.
Preferably, the debugging interface comprises a control debugging interface and a reserved debugging interface, and the control debugging interface and the reserved debugging interface are respectively connected with the FPGA chip.
Preferably, the radio frequency signal interface includes a difference signal receiving input interface, a difference signal receiving output interface, a sum signal receiving input interface, a sum signal receiving output interface, a sum signal transmitting input interface, and a sum signal transmitting output interface, the difference signal receiving input interface is connected to the first power amplifier, the difference signal receiving output interface is connected to the coupling detection circuit, the sum signal receiving input interface and the sum signal transmitting output interface are respectively connected to the switch duplex module, the sum signal transmitting input interface is connected to the power divider, and the sum signal receiving output interface is connected to the coupling detection circuit.
Preferably, the switch duplex module includes a duplexer and a single-pole double-throw switch, the single-pole double-throw switch is respectively connected with the signal receiving input interface and the signal transmitting output interface, and the duplexer is connected with the first power amplifier.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
the utility model discloses mainly contain receiving channel subassembly, power amplifier subassembly, control assembly and power pack subassembly, realize the receiving of the sum signal all the way, filtering, numerical control decay, power amplification function, two way and poor signal's receipt, filtering, phase shift.
The utility model relates to a rationally, simple structure, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a C-band radio frequency module according to embodiment 1 of the present invention;
fig. 2 is the utility model discloses embodiment 1 provides a power amplifier module's schematic structure diagram:
fig. 3 is a schematic structural diagram of a receiving channel assembly provided in embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1-3, a C-band radio frequency front-end component includes a receiving channel component, a control component, and a power amplifier component, where the receiving channel component, the control component, and the power amplifier component are connected to each other, the power amplifier component includes a power divider, an ALC driving circuit, a driving amplifier, a final-stage amplifier, and a switch duplex module, which are connected in sequence, an output end of the switch duplex module is connected to the receiving channel component, and an output end of the power divider is further connected to a detection circuit.
The receiving channel assembly comprises a first power amplifier, a switch filter bank, a second power amplifier, an attenuator, a band-pass filter and a coupling detection circuit which are sequentially connected, and the first power amplifier is connected with the switch duplex module. The signal transmitting signal is divided into two paths by the power divider through the power divider, one path of the signal is transmitted to the detection circuit for detection, and the other path of the signal sequentially enters the ALC driving circuit, the driving amplifier and the final-stage amplifying circuit for amplification and then is output through the switch duplex module; and the signal receiving signal is input through the switch duplex module, then is transmitted to a first power amplifier of the receiving channel assembly for amplification, then sequentially passes through the switch filter bank, the second power amplifier, the attenuator, the band-pass filter and the coupling detection circuit, and then is output. A difference signal receiving signal is input from the first power amplifier, then sequentially passes through the switch filter bank, the second power amplifier, the attenuator, the band-pass filter and the coupling detection circuit and then is output; the control assembly is used for controlling the receiving channel assembly and the power amplifier assembly, specifically, the control assembly is connected with a numerical control attenuator in the receiving channel assembly, the attenuator is controlled to adjust the signal power, and the control assembly is connected with a switch in the switch filter bank and used for controlling the switch to select waves.
The radio frequency front end component still includes power supply module, power supply module is including the wave filter, AD-DC converter, the DC-DC converter that connect gradually, the DC-DC converter is connected with first low-dropout linear voltage regulator, second low-dropout linear voltage regulator and third low-dropout linear voltage regulator respectively, first low-dropout linear voltage regulator with receive the passageway subassembly and connect, second low-dropout linear voltage regulator with control assembly connects, third low-dropout linear voltage regulator with power amplifier module connects. The AD-DC converter converts input alternating current into direct current, the DC-DC converter converts the converted direct current into fixed voltage and then outputs the fixed voltage to the low-dropout linear regulator, the first low-dropout linear regulator supplies power to the receiving channel assembly, the second low-dropout linear regulator supplies power to the control assembly, and the third low-dropout linear regulator supplies power to the power amplifier assembly.
The control assembly comprises an FPGA chip and an EMI filter matrix, the FPGA chip is connected with the EMI filter matrix, and the EMI filter matrix is also connected with the receiving channel assembly, the power amplifier assembly and the power supply assembly respectively.
C wave band radio frequency front end subassembly still includes a plurality of communication interface, communication interface includes debugging interface, radio frequency signal interface and power source, power source connects the power supply module, the debugging interface connection the FPGA chip, radio frequency signal interface connection receive channel subassembly and power amplifier subassembly.
The debugging interface comprises a control debugging interface and a reserved debugging interface, and the control debugging interface and the reserved debugging interface are respectively connected with the FPGA chip. Specifically, the model of the control debugging interface and the model of the reserved debugging interface are Y50X. The model of the power interface is JY 27466.
The radio frequency signal interface comprises a difference signal receiving input interface, a difference signal receiving output interface, a signal receiving input interface, a signal receiving output interface, a signal transmitting input interface and a signal transmitting output interface, the difference signal receiving input interface is connected with the first power amplifier, the difference signal receiving output interface is connected with the coupling detection circuit, the signal receiving input interface and the signal transmitting output interface are respectively connected with the switch duplex module, the signal transmitting input interface is connected with the power divider, and the signal receiving output interface is connected with the coupling detection circuit.
The switch duplex module comprises a duplexer and a single-pole double-throw switch, the single-pole double-throw switch is respectively connected with the signal receiving input interface and the signal transmitting output interface, and the duplexer is connected with the first power amplifier.
The sum signal transmitting signal is input through the sum signal transmitting input interface and output from the sum signal transmitting output interface, and the sum signal receiving signal is input through the sum signal receiving input interface and output from the sum signal receiving output interface, and the difference signal receiving signal is input through the difference signal receiving input interface and output from the difference signal receiving output interface.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a C wave band radio frequency front end subassembly, its characterized in that includes receiving channel subassembly, control assembly and power amplifier subassembly, receiving channel subassembly, control assembly and power amplifier subassembly interconnect, power amplifier subassembly is including the merit that connects gradually dividing ware, ALC drive circuit, driver amplifier, final stage amplifier and switch duplex module, the output of switch duplex module is connected receiving channel subassembly, the output of merit division ware still is connected with detection circuit.
2. The C-band radio frequency front end assembly according to claim 1, wherein the receive channel assembly includes a first power amplifier, a switch filter bank, a second power amplifier, an attenuator, a band pass filter, and a coupling detection circuit connected in series, the first power amplifier being connected to the switch duplex module.
3. The C-band radio frequency front end assembly according to claim 2, further comprising a power supply assembly, wherein the power supply assembly comprises a filter, an AD-DC converter, and a DC-DC converter, which are connected in sequence, and the DC-DC converter is connected with a first low dropout linear regulator, a second low dropout linear regulator, and a third low dropout linear regulator, respectively, the first low dropout linear regulator is connected with the receiving channel assembly, the second low dropout linear regulator is connected with the control assembly, and the third low dropout linear regulator is connected with the power amplification assembly.
4. The C-band radio frequency front end component of claim 3, wherein the control component comprises an FPGA chip and an EMI filter matrix, the FPGA chip being connected to the EMI filter matrix, the EMI filter matrix connection further connecting the receive channel component, the power amplifier component, and the power supply component, respectively.
5. The C-band radio frequency front end component of claim 4, further comprising a plurality of communication interfaces, wherein the communication interfaces include a debug interface, a radio frequency signal interface, and a power interface, the power interface is connected to the power supply component, the debug interface is connected to the FPGA chip, and the radio frequency signal interface is connected to the receive channel component and the power amplifier component.
6. The C-band radio frequency front-end component of claim 5, wherein the debug interface comprises a control debug interface and a reserved debug interface, and the control debug interface and the reserved debug interface are respectively connected to the FPGA chip.
7. The C-band radio frequency front-end component of claim 5, wherein the radio frequency signal interface comprises a difference signal receiving input interface, a difference signal receiving output interface, and a signal receiving input interface, and a signal receiving output interface, and a signal transmitting input interface, and a signal transmitting output interface, the difference signal receiving input interface is connected to the first power amplifier, the difference signal receiving output interface is connected to the coupling detection circuit, the sum signal receiving input interface and the sum signal transmitting output interface are respectively connected to the switch duplex module, the sum signal transmitting input interface is connected to the power divider, and the sum signal receiving output interface is connected to the coupling detection circuit.
8. The C-band radio frequency front-end component of claim 7, wherein the switch duplex module comprises a diplexer and a single-pole double-throw switch, the single-pole double-throw switch connecting the sum signal receive input interface and the sum signal transmit output interface, respectively, the diplexer connecting with the first power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399401.4U CN215010224U (en) | 2021-02-23 | 2021-02-23 | C-band radio frequency front end assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399401.4U CN215010224U (en) | 2021-02-23 | 2021-02-23 | C-band radio frequency front end assembly |
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| CN215010224U true CN215010224U (en) | 2021-12-03 |
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| CN202120399401.4U Active CN215010224U (en) | 2021-02-23 | 2021-02-23 | C-band radio frequency front end assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470969A (en) * | 2023-06-19 | 2023-07-21 | 深圳飞骧科技股份有限公司 | Radio frequency chip module debugging device and method |
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2021
- 2021-02-23 CN CN202120399401.4U patent/CN215010224U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116470969A (en) * | 2023-06-19 | 2023-07-21 | 深圳飞骧科技股份有限公司 | Radio frequency chip module debugging device and method |
| CN116470969B (en) * | 2023-06-19 | 2023-09-01 | 深圳飞骧科技股份有限公司 | Radio frequency chip module debugging device and method |
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