CN217883378U - AGC circuit for millimeter wave light broadband frequency conversion module - Google Patents
AGC circuit for millimeter wave light broadband frequency conversion module Download PDFInfo
- Publication number
- CN217883378U CN217883378U CN202221917720.0U CN202221917720U CN217883378U CN 217883378 U CN217883378 U CN 217883378U CN 202221917720 U CN202221917720 U CN 202221917720U CN 217883378 U CN217883378 U CN 217883378U
- Authority
- CN
- China
- Prior art keywords
- resistor
- capacitor
- grounding
- variable gain
- gain amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a AGC circuit for light broadband frequency conversion module of millimeter wave belongs to the wireless communication technology field, including the model AD603 AQ's first variable gain amplifier U1 and second variable gain amplifier U2, ground resistance R1, resistance R2, ground resistance R3, ground resistance R4, resistance R5, resistance R6, resistance R7 ground resistance R8, resistance R9, ground resistance R10, resistance R11, ground resistance R12, electric capacity C1, ground capacity C2, ground capacity C3, ground capacity C4, ground capacity C5, ground capacity C6, electric capacity C7, ground capacity C8, electric capacity C9, electric capacity C10, ground capacity C11 and triode Q1; the utility model provides a monopulse tracks of in the light-duty broadband frequency conversion module of millimeter wave measures radar receiving channel and receives the conventional AGC restraint of its adoption, and the bandwidth is less, unsatisfied measurement demand's problem.
Description
Technical Field
The utility model belongs to the technical field of wireless communication, especially, relate to an AGC circuit for light-duty broadband frequency conversion module of millimeter wave.
Background
Broadband frequency conversion, which is a link in wireless communication technology connecting free space and intermediate frequency signal processing, is of crucial performance for the entire communication system. With the development of wireless communication technology, the frequency conversion system tends to be miniaturized and low in power consumption, and simultaneously, higher requirements on high bandwidth and high suppression are provided. The broadband frequency conversion assembly integrates a receiving module and a control acquisition module, and realizes frequency hopping by utilizing SPI synchronous serial transmission to control a broadband phase-locked source. In the receiving module, the broadband signal transmitting signal can be converted into the dot frequency signal again by adopting a coupling mode, the dot frequency signal is compared with the broadband signal received from the outside one by one, and the frequency band and the amplitude of the received signal are judged, and the traditional broadband frequency conversion component has the following defects:
(1) One key technical difficulty of the existing broadband frequency conversion component for realizing multi-channel measurement is that the accurate time sequence logic relationship among synchronous signals, emission pulses, range gate pulses, sampling trigger signals and the like of multi-channel synchronous work is difficult to detect;
(2) The existing broadband frequency conversion component receiving channel has a larger bandwidth, and the bandwidth of the monopulse tracking measurement radar receiving channel is smaller due to the constraint of the conventional AGC adopted by the receiving channel, so that the measuring requirement is not met.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art, the utility model provides a pair of a bandwidth that is used for light-duty broadband frequency conversion module of millimeter wave's AGC circuit to have solved the light-duty broadband frequency conversion module of millimeter wave and has followed the conventional AGC restraint that measurement radar receiving channel received its adoption and lead to is less, unsatisfied measurement demand's problem.
In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:
the utility model provides an AGC circuit for light-duty broadband frequency conversion module of millimeter wave, including first variable gain amplifier U1 and the second variable gain amplifier U2 of model AD603AQ, ground resistance R1, resistance R2, ground resistance R3, ground resistance R4, resistance R5, resistance R6, resistance R7 ground resistance R8, resistance R9, ground resistance R10, resistance R11, ground resistance R12, electric capacity C1, ground capacity C2, ground capacity C3, ground capacity C4, ground capacity C5, ground capacity C6, electric capacity C7, ground capacity C8, electric capacity C9, electric capacity C10, ground capacity C11 and triode Q1;
one end of the capacitor C1 is connected with the grounding resistor R1 and serves as the input end of the radar coherent source; the other end of the capacitor C1 is connected with a 1 st pin of a first variable gain amplifier U1; a 2 nd pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R2, a grounding capacitor C3 and a grounding resistor R3; the other end of the resistor R2 is externally connected with a power supply VCC; the pin 3 of the first variable gain amplifier U1 is respectively connected with one end of a pin 3 resistor R11 of a second variable gain amplifier U2, a collector of the triode Q1 and a grounding capacitor C11; a 4 th pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R5 and a grounding resistor R4; the other end of the resistor R5 is respectively connected with one end of a resistor R6 and a pin 4 of the second variable gain amplifier U2; the other end of the resistor R6 is externally connected with a power supply VCC; the 5 th pin of the first variable gain amplifier U1 is grounded; a 6 th pin of the first variable gain amplifier U1 is respectively connected with a 7 th pin and one end of a capacitor C7; the other end of the capacitor C7 is connected with a 1 st pin of a second variable gain amplifier U2; the 8 th pin of the first variable gain amplifier U1 is connected with a grounding capacitor C4 and is externally connected with a power supply VCC; a 2 nd pin of the second variable gain amplifier U2 is respectively connected with one end of a resistor R7, a grounding capacitor C5, a grounding capacitor C6 and a grounding resistor R8; the other end of the resistor R7 is externally connected with a power supply VCC; the 5 th pin of the second variable gain amplifier U2 is grounded; a 6 th pin of the second variable gain amplifier U2 is respectively connected with a 7 th pin and one end of a capacitor C9; the other end of the capacitor C9 is connected with one end of the capacitor C10 and serves as an amplified signal output end; the other end of the capacitor C10 is respectively connected with a grounding resistor R10, one end of a resistor R9 and the base electrode of the triode Q1; the other end of the resistor R9 is connected with the other end of the resistor R11 and is externally connected with a power supply VCC; and an emitting electrode of the triode Q1 is connected with a grounding resistor R12.
The utility model has the advantages that: the utility model provides a pair of a AGC circuit for light-duty broadband frequency conversion module of millimeter wave, adopt the model to be AD603 AQ's first variable gain amplifier U1 and second variable gain amplifier U2, combine AGC control circuit to realize automatic gain control, fine automatic gain control effect has, can effectively solve the bandwidth that the monopulse tracking measurement radar receiving channel received the conventional AGC restraint of its adoption and leads to in the light-duty broadband frequency conversion module of millimeter wave is less, unsatisfied measurement demand's problem.
Drawings
Fig. 1 is the utility model discloses in a circuit schematic diagram of an AGC circuit for light-duty broadband frequency conversion module of millimeter wave.
Detailed Description
The following description of the embodiments of the present invention is provided to enable those skilled in the art to understand the invention, and it is to be understood that the invention is not limited to the details of the embodiments, but rather, the invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined and defined by the appended claims.
As shown in fig. 1, in an embodiment of the present invention, the present invention provides an AGC circuit for a millimeter wave light broadband frequency conversion module, including a first variable gain amplifier U1 and a second variable gain amplifier U2 of AD603AQ, a ground resistor R1, a resistor R2, a ground resistor R3, a ground resistor R4, a resistor R5, a resistor R6, a resistor R7, a ground resistor R8, a resistor R9, a ground resistor R10, a resistor R11, a ground resistor R12, a capacitor C1, a ground capacitor C2, a ground capacitor C3, a ground capacitor C4, a ground capacitor C5, a ground capacitor C6, a capacitor C7, a ground capacitor C8, a capacitor C9, a capacitor C10, a ground capacitor C11, and a triode Q1;
one end of the capacitor C1 is connected with the grounding resistor R1 and serves as the input end of the radar coherent source; the other end of the capacitor C1 is connected with a 1 st pin of a first variable gain amplifier U1; a 2 nd pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R2, a grounding capacitor C3 and a grounding resistor R3; the other end of the resistor R2 is externally connected with a power supply VCC; the pin 3 of the first variable gain amplifier U1 is respectively connected with one end of a pin 3 resistor R11 of a second variable gain amplifier U2, a collector of the triode Q1 and a grounding capacitor C11; a 4 th pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R5 and a grounding resistor R4; the other end of the resistor R5 is connected with one end of the resistor R6 and the 4 th pin of the second variable gain amplifier U2 respectively; the other end of the resistor R6 is externally connected with a power supply VCC; the 5 th pin of the first variable gain amplifier U1 is grounded; a 6 th pin of the first variable gain amplifier U1 is respectively connected with a 7 th pin and one end of a capacitor C7; the other end of the capacitor C7 is connected with a 1 st pin of a second variable gain amplifier U2; the 8 th pin of the first variable gain amplifier U1 is connected with a grounding capacitor C4 and is externally connected with a power supply VCC; a 2 nd pin of the second variable gain amplifier U2 is respectively connected with one end of a resistor R7, a grounding capacitor C5, a grounding capacitor C6 and a grounding resistor R8; the other end of the resistor R7 is externally connected with a power supply VCC; the 5 th pin of the second variable gain amplifier U2 is grounded; a 6 th pin of the second variable gain amplifier U2 is respectively connected with a 7 th pin and one end of a capacitor C9; the other end of the capacitor C9 is connected with one end of the capacitor C10 and serves as an amplified signal output end; the other end of the capacitor C10 is respectively connected with a grounding resistor R10, one end of a resistor R9 and the base electrode of the triode Q1; the other end of the resistor R9 is connected with the other end of the resistor R11 and is externally connected with a power supply VCC; and an emitting electrode of the triode Q1 is connected with a grounding resistor R12.
The beneficial effects of the utility model are that the utility model provides a pair of an AGC circuit for light-duty broadband frequency conversion module of millimeter wave adopts the model to be AD603 AQ's first variable gain amplifier U1 and second variable gain amplifier U2, combines AGC control circuit to realize automatic gain control, has fine automatic gain control effect, can effectively solve the bandwidth that the monopulse tracking measurement radar receiving channel received the conventional AGC restraint of its adoption and leads to in the light-duty broadband frequency conversion module of millimeter wave less, unsatisfied measurement demand's problem.
The utility model discloses a theory of operation does: the utility model provides a pair of AGC circuit for millimeter wave lightweight broadband frequency conversion module, after radar coherent source input end amplify through first variable gain amplifier U1 and second variable gain amplifier U2 in proper order, all the way through amplifying signal output part output, another way then is used for AGC detection through electric capacity C10 input triode Q1; an AGC control circuit formed by surrounding the triode Q1 finishes AGC detection through an emitter PN junction of the triode Q1, and outputs AGC control voltage VAGC to a No. 3 pin of a first variable gain amplifier U1 and a No. 3 pin of a second variable gain amplifier U2 after a collector is filtered by a capacitor C11; when an input radar coherent source signal is increased, the base instantaneous current of the triode Q1 is increased, and the corresponding collector current is also increased, so that the instantaneous voltage drop at two ends of the resistor R10 is increased, the instantaneous voltage of the collector of the triode is reduced, the VAGC obtained after filtering by the capacitor C11 is correspondingly reduced, the VAGC is fed back to the 3 rd pin of the first variable gain amplifier U1 and the 3 rd pin of the second variable gain amplifier U2, and the gain is reduced through automatic gain adjustment, so that the output is stable; when the input radar coherent source signal is reduced, the obtained VAGC is correspondingly increased, and reverse control is realized in inverse proportion to the input radar coherent source signal; the circuit has better frequency response and can meet the measurement requirement that a receiving channel of the broadband frequency conversion component needs to have larger bandwidth through frequency influence analysis verification.
Claims (1)
1. An AGC circuit for a millimeter wave lightweight broadband frequency conversion module is characterized by comprising a first variable gain amplifier U1 and a second variable gain amplifier U2 with the model number of AD603AQ, a grounding resistor R1, a resistor R2, a grounding resistor R3, a grounding resistor R4, a resistor R5, a resistor R6, a resistor R7 grounding resistor R8, a resistor R9, a grounding resistor R10, a resistor R11, a grounding resistor R12, a capacitor C1, a grounding capacitor C2, a grounding capacitor C3, a grounding capacitor C4, a grounding capacitor C5, a grounding capacitor C6, a capacitor C7, a grounding capacitor C8, a capacitor C9, a capacitor C10, a grounding capacitor C11 and a triode Q1;
one end of the capacitor C1 is connected with the grounding resistor R1 and serves as the input end of the radar coherent source; the other end of the capacitor C1 is connected with a 1 st pin of a first variable gain amplifier U1; a 2 nd pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R2, a grounding capacitor C3 and a grounding resistor R3; the other end of the resistor R2 is externally connected with a power supply VCC; the pin 3 of the first variable gain amplifier U1 is respectively connected with one end of a pin 3 resistor R11 of a second variable gain amplifier U2, a collector of the triode Q1 and a grounding capacitor C11; a 4 th pin of the first variable gain amplifier U1 is respectively connected with one end of a resistor R5 and a grounding resistor R4; the other end of the resistor R5 is respectively connected with one end of a resistor R6 and a pin 4 of the second variable gain amplifier U2; the other end of the resistor R6 is externally connected with a power supply VCC; the 5 th pin of the first variable gain amplifier U1 is grounded; a 6 th pin of the first variable gain amplifier U1 is respectively connected with a 7 th pin and one end of a capacitor C7; the other end of the capacitor C7 is connected with a 1 st pin of a second variable gain amplifier U2; the 8 th pin of the first variable gain amplifier U1 is connected with a grounding capacitor C4 and is externally connected with a power supply VCC; a 2 nd pin of the second variable gain amplifier U2 is respectively connected with one end of a resistor R7, a grounding capacitor C5, a grounding capacitor C6 and a grounding resistor R8; the other end of the resistor R7 is externally connected with a power supply VCC; the 5 th pin of the second variable gain amplifier U2 is grounded; a 6 th pin of the second variable gain amplifier U2 is respectively connected with a 7 th pin and one end of a capacitor C9; the other end of the capacitor C9 is connected with one end of the capacitor C10 and is used as an amplified signal output end; the other end of the capacitor C10 is respectively connected with a grounding resistor R10, one end of a resistor R9 and the base electrode of the triode Q1; the other end of the resistor R9 is connected with the other end of the resistor R11 and is externally connected with a power supply VCC; and an emitting electrode of the triode Q1 is connected with a grounding resistor R12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221917720.0U CN217883378U (en) | 2022-07-21 | 2022-07-21 | AGC circuit for millimeter wave light broadband frequency conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221917720.0U CN217883378U (en) | 2022-07-21 | 2022-07-21 | AGC circuit for millimeter wave light broadband frequency conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883378U true CN217883378U (en) | 2022-11-22 |
Family
ID=84054200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221917720.0U Active CN217883378U (en) | 2022-07-21 | 2022-07-21 | AGC circuit for millimeter wave light broadband frequency conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883378U (en) |
-
2022
- 2022-07-21 CN CN202221917720.0U patent/CN217883378U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217883378U (en) | AGC circuit for millimeter wave light broadband frequency conversion module | |
| CN101598782A (en) | A kind of radar life-detection instrument | |
| CN203772930U (en) | Weak current signal detection system | |
| CN109932705A (en) | A kind of super-wide dynamic range return laser beam reception device and its control method | |
| CN204422755U (en) | A kind of novel high speed high-precision laser range-finding system | |
| CN201255636Y (en) | Photoelectric conversion and amplification device for laser distance measuring instrument | |
| CN114706058B (en) | Laser receiving system and laser ranging system | |
| CN101340196B (en) | Multichannel digital detection IF amplifier | |
| CN212435671U (en) | High-speed photoelectric detector assembly with multichannel high-voltage synchronous isolation and strong driving capability | |
| CN115561770A (en) | Laser radar pulse peak value self-adaptive detection and fitting ranging system | |
| CN101262258B (en) | Demodulation device for microwave signal transmitter | |
| CN113671264A (en) | Switch type multi-channel radiometer | |
| CN104242831A (en) | Wideband amplification device with low noise | |
| CN102510269A (en) | Small short-wave preselector | |
| CN210072651U (en) | Hyperspectral image abnormal target detection device | |
| CN201674486U (en) | Circuit structure for portable radios | |
| CN212086200U (en) | High-speed self-adaptive space laser communication receiver structure | |
| CN209525453U (en) | A kind of digitlization automatic checkout system for TR power amplifier components | |
| CN210533549U (en) | Abnormal target detection device of hyperspectral imager | |
| CN216668998U (en) | Visible light and near infrared light short-wave band single photon detector with high counting rate | |
| CN218850761U (en) | Radio frequency receiver based on single-bit frequency measurement | |
| CN213544821U (en) | Scene surveillance radar | |
| CN216792366U (en) | High-gain ultrasonic signal detection circuit for partial discharge detection | |
| CN217063706U (en) | Multi-channel receiver of v-band radiometer | |
| CN219608222U (en) | Infrared detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |