CN202856730U - Converter based on microwave centralized transmission and scattered transmission - Google Patents
Converter based on microwave centralized transmission and scattered transmission Download PDFInfo
- Publication number
- CN202856730U CN202856730U CN 201220473910 CN201220473910U CN202856730U CN 202856730 U CN202856730 U CN 202856730U CN 201220473910 CN201220473910 CN 201220473910 CN 201220473910 U CN201220473910 U CN 201220473910U CN 202856730 U CN202856730 U CN 202856730U
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- Prior art keywords
- pin diode
- radio frequency
- microstrip line
- microwave
- transmission control
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Abstract
The utility model discloses a converter based on microwave centralized transmission and scattered transmission. The converter comprises an impedance matching circuit and a microwave transmission control circuit, wherein input ends of the impedance matching circuit and the microwave transmission control circuit are connected with an external driving control signal and a micro signal, an output end of the impedance matching circuit is connected with an input circuit of the microwave transmission control circuit, the microwave transmission control circuit is composed of two or more than two transmission control modules, each transmission control module comprises micro-strip line, a radio frequency capacitor and an PIN diode, a cathode of the PIN diode is in grounding connection, an anode of the PIN diode is connected with the micro-strip line through the radio frequency capacitor, and the external driving control signal is accessed between the anode of the PIN diode and the radio frequency capacitor. The converter not only enables micro signals outputted by an emitter to be uniformly distributed to each antenna module, but also can realize centralized transmission to one antenna module.
Description
Technical field
The utility model relates to a kind of converting system of microwave transmission, and is particularly a kind of based on microwave concentration of transmissions and the transducer that disperses transmission.
Background technology
The antenna combination of electronically scanned radar is comprised of the N that a rounds Anneta module, and its working method has two kinds: pattern one, and expression transmitter output microwave signal mean allocation generally realizes by multipath power distributor to each Anneta module; Pattern two, more the microwave signal concentration of transmissions of expression transmitter output is generally thrown electronic switch by hilted broadsword and is realized to some Anneta modules.The working method of existing electronically scanned radar requires the antenna combination at first to work in pattern one, be conducive to enlarge the hunting zone to target, after target is found in search, again with pattern two work, microwave power is relatively concentrated, be conducive to target tightening is followed the tracks of, and will follow the tracks of the target of finding and give the terminal command system and carry out target and indicate.
The below sets forth above-mentioned functions as an example of two Anneta modules example, prior art scheme (seeing accompanying drawing 1) is as follows: the microwave signal of transmitter output is at first given single-pole double throw electronic switch A, the delivery outlet of this switch is termination two power dividers and single-pole double throw electronic switch B who is used for pattern two for pattern one respectively, and A comes switch mode one and pattern two by control single-pole double throw electronic switch; Input port at each Anneta module oppositely meets respectively a single-pole double throw electronic switch C and D, and two delivery outlets of switch C and D are connected to the delivery outlet of two power dividers and single-pole double throw electronic switch B.This scheme has shared four single-pole double throw electronic switches and two power dividers, the single-pole double throw electronic switch is comprised of three microwave ports and two control ports, microwave port transmission microwave signal, control port is controlled by TTL, so this scheme has eight control port 1-8, by being used of eight control port 1-8, can satisfy this scheme requirement.The major defect that the prior art scheme exists is: Insertion Loss is large, volume is large, control circuit is complicated, cost is high, efficient is low.
Summary of the invention
Defective or deficiency for above-mentioned prior art scheme existence, the purpose of this utility model is, provide a kind of based on microwave concentration of transmissions and the transducer that disperses transmission, this transducer is externally under the effect of drive control signal, by changing the on off operating mode of microwave transmission control circuit, reach concentration of transmissions and the purpose of disperseing transmission to switch, the external drive control signal provides required positive voltage and negative voltage for microwave transmission control circuit and impedance matching circuit, with carrying out smoothly of guaranteeing to switch, switch the impedance mismatching that causes by state and compensate by impedance matching circuit.The utility model can make the microwave signal of transmitter output be averagely allocated to each Anneta module, also can concentration of transmissions give some Anneta modules.
For realizing above-mentioned task, the utility model is taked following technical solution:
A kind of based on microwave concentration of transmissions and the transducer that disperses transmission, described transducer is comprised of impedance matching circuit and microwave transmission control circuit, wherein, impedance matching circuit is connected input and is all connected the microwave signal of external drive control signal and transmitter output with the microwave transmission control circuit, the output of impedance matching circuit connects the input of microwave transmission control circuit;
Described microwave transmission control circuit is comprised of two or more transmission control modules, each transmission control module is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity, access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity;
Described impedance matching circuit is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity; Access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity; The output of the microstrip line of impedance matching circuit connects the input of the microstrip line of transmission control module.
Preferably, described microwave transmission control circuit is comprised of two transmission control modules, specifically by microstrip line 2, microstrip line 3, radio frequency capacitor C
2, C
3With PIN diode D
2, D
3Form, wherein, PIN diode D
2, D
3Minus earth, PIN diode D
2Positive pole by the radio frequency capacitor C
2Connect microstrip line 2; PIN diode D
3Positive pole by the radio frequency capacitor C
3Connect microstrip line 3; The radio frequency capacitor C
2With PIN diode D
2Positive pole between and the radio frequency capacitor C
3With PIN diode D
3Positive pole between all access the external drive control signal;
Described impedance matching circuit is by microstrip line 1, radio frequency capacitor C
1With PIN diode D
1Form, wherein, PIN diode D
1Minus earth, PIN diode D
1Positive pole by the radio frequency capacitor C
1Connect microstrip line 1, the radio frequency capacitor C
1With PIN diode D
1Positive pole between access external drive control signal; The output of the microstrip line 1 of impedance matching circuit connects respectively the microstrip line 2 of transmission control module and the input of microstrip line 3.
Of the present utility model based on microwave concentration of transmissions and the transducer that disperses transmission, can make the microwave signal of transmitter output be averagely allocated to each Anneta module, also can concentration of transmissions give some Anneta modules, and have the advantages such as Insertion Loss is little, volume is little, efficient is high, control is simple, can carry out accessible conversion for radar antenna is combined between pattern one and the pattern two, solve existing electronically scanned radar antenna sets and be combined in the deficiency of working under this pattern.
Description of drawings
Fig. 1 is the connection diagram of traditional approach;
Fig. 2 is the connection diagram of the utility model and external signal and Anneta module;
Fig. 3 is circuit block diagram of the present utility model;
Fig. 4 is circuit theory diagrams of the present utility model.
Fig. 5 is the circuit theory diagrams of the utility model embodiment (comprise two microwave transmissions control electric module).
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment
Referring to Fig. 2, Fig. 3, Fig. 4, of the present utility model based on microwave concentration of transmissions and the transducer that disperses transmission, formed by impedance matching circuit and microwave transmission control circuit, wherein, impedance matching circuit is connected input and is all connected the microwave signal of external drive control signal and transmitter output with the microwave transmission control circuit, the output of impedance matching circuit connects the input of microwave transmission control circuit.
Described microwave transmission control circuit turn-offs the microwave signal of supplying with Anneta module with conducting for the positive/negative voltage signal that provides according to the external drive control signal, thus the conversion that realizes the concentration of transmissions of microwave and disperse to transmit.The microwave transmission control circuit is comprised of two or more transmission control modules, each transmission control module is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity.Access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity.
Described impedance matching circuit is used for the concentration of transmissions in microwave signal is compensated with disperseing to transmit the impedance mismatch that produces when changing, to reach the optimum Match state.Impedance matching circuit is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity.Access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity.The output of the microstrip line of impedance matching circuit connects the input of the microstrip line of transmission control module.
After microwave signal reaches the input port of transducer of the present utility model, externally under the effect of drive control signal, two output ports of the energy mean allocation of this microwave signal to transducer, allow the antenna combination work in pattern one, or all energy are reached wherein some output ports, allow the antenna combination work in pattern two.
In order to further specify structure of the present utility model and operation principle, the antenna sets that the below forms with two Anneta modules is combined into example and sets forth.
Referring to Fig. 5, described microwave transmission control circuit is made of two microwave transmission control modules, specifically by microstrip line 2, microstrip line 3, radio frequency capacitor C
2, C
3With PIN diode D
2, D
3Form, wherein, PIN diode D
2, D
3Minus earth, PIN diode D
2Positive pole by the radio frequency capacitor C
2Connect microstrip line 2; PIN diode D
3Positive pole by the radio frequency capacitor C
3Connect microstrip line 3; The radio frequency capacitor C
2With PIN diode D
2Positive pole between and the radio frequency capacitor C
3With PIN diode D
3Positive pole between all access the external drive control signal.Described microstrip line 2 and microstrip line 3 are used for cooperating D
2, D
3Do impedance transformation, C
2, C
3Be used for by radiofrequency signal, isolated DC signal, D
2, D
3By adding positive voltage and negative voltage control microwave transmission.The course of work is divided following three kinds of situations: the first, when from the external drive control signal of command system at D
2, D
3Positive pole when all adding positive voltage, D
2And D
3Equivalence is the very little stray inductance Ls of resistance R s series connection of resistance that is connected to ground respectively, after passing through respectively the conversion of microstrip line 2 and microstrip line 3, the equiva lent impedance that this two-way control branch road is ordered at E and D is very large, do not affect the microwave transmission of main road, at this moment, passage 1 and passage 2 all are in conducting state; The second, when from the external drive control signal of command system at D
2Positive pole add positive voltage, D
3Positive pole when adding negative voltage, D
2Equivalence is the very little stray inductance Ls of resistance R s series connection of resistance that is connected to ground, D
3Equivalence is a very little capacitor C of appearance value that is connected to ground
TThe stray inductance Ls that connects, pass through respectively the conversion of microstrip line 2 and microstrip line 3 after, D
2The impedance that the equivalence of control branch road is ordered to E is very large, does not affect the microwave transmission of passage 1, and passage 1 is in conducting state; D
3The impedance that control branch road equivalence D is ordered is very little, approximate short circuit, the microwave energy of passage 2 can not transmit, be in off state, and the distance between D point and the C point is quarter-wave, so the equiva lent impedance that D is ordered at C, is approximately the radio frequency open circuit for very large, do not affect the microwave transmission of passage 1, passage 2 is in off state; The third, when from the external drive control signal of command system at D
2Positive pole add negative voltage, D
3Positive pole when adding positive voltage, passage 1 is in off state, passage 2 is in conducting state, operation principle is with the second situation.
Described impedance matching circuit is by microstrip line 1, radio frequency capacitor C
1With PIN diode D
1Form, wherein, PIN diode D
1Minus earth, PIN diode D
1Positive pole by the radio frequency capacitor C
1Connect microstrip line 1, the radio frequency capacitor C
1With PIN diode D
1Positive pole between access external drive control signal.The course of work is divided into three kinds of situations, and the first is when the external drive control signal from command system is D
1Positive voltage is provided, at this moment, under the impedance transformation of microstrip line 1, D
1The impedance that the impedance matching circuit equivalence is ordered to B is very large, is approximately the radio frequency open circuit, that is to say that the impedance matching circuit of this moment is inoperative; The second is when the external drive control signal from command system is D
1When negative voltage is provided, passage 1 conducting, passage 2 turn-offs, under the impedance transformation of microstrip line 1, D
1The impedance that the impedance matching circuit equivalence is ordered to B is an induction reactance, and just compensation channels 1 conducting, passage 2 turn-off the impedance mismatching phenomenon that causes, thereby make the A port Impedance reach matching status; The third is when the external drive control signal from command system is D
1When negative voltage is provided, passage 2 conductings, passage 1 turn-offs, and operation principle is with the second situation.
Claims (2)
1. one kind based on microwave concentration of transmissions and the transducer that disperses transmission, it is characterized in that, formed by impedance matching circuit and microwave transmission control circuit, wherein, impedance matching circuit is connected input and is all connected the microwave signal of external drive control signal and transmitter output with the microwave transmission control circuit, the output of impedance matching circuit connects the input of microwave transmission control circuit;
Described microwave transmission control circuit is comprised of two or more transmission control modules, each transmission control module is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity, access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity;
Described impedance matching circuit is comprised of microstrip line, radio frequency electric capacity and PIN diode, wherein, the minus earth of PIN diode, positive pole is connected with microstrip line by radio frequency electric capacity; Access external drive control signal between the positive pole of PIN diode and the radio frequency electric capacity; The output of the microstrip line of impedance matching circuit connects the input of the microstrip line of transmission control module.
2. as claimed in claim 1 based on microwave concentration of transmissions and the transducer that disperses transmission, it is characterized in that described microwave transmission control circuit is comprised of two transmission control modules, specifically by microstrip line 2, microstrip line 3, radio frequency capacitor C
2, C
3With PIN diode D
2, D
3Form, wherein, PIN diode D
2, D
3Minus earth, PIN diode D
2Positive pole by the radio frequency capacitor C
2Connect microstrip line 2; PIN diode D
3Positive pole by the radio frequency capacitor C
3Connect microstrip line 3; The radio frequency capacitor C
2With PIN diode D
2Positive pole between and the radio frequency capacitor C
3With PIN diode D
3Positive pole between all access the external drive control signal;
Described impedance matching circuit is by microstrip line 1, radio frequency capacitor C
1With PIN diode D
1Form, wherein, PIN diode D
1Minus earth, PIN diode D
1Positive pole by the radio frequency capacitor C
1Connect microstrip line 1, the radio frequency capacitor C
1With PIN diode D
1Positive pole between access external drive control signal; The output of the microstrip line 1 of impedance matching circuit connects respectively the microstrip line 2 of transmission control module and the input of microstrip line 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220473910 CN202856730U (en) | 2012-09-17 | 2012-09-17 | Converter based on microwave centralized transmission and scattered transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220473910 CN202856730U (en) | 2012-09-17 | 2012-09-17 | Converter based on microwave centralized transmission and scattered transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202856730U true CN202856730U (en) | 2013-04-03 |
Family
ID=47987874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220473910 Withdrawn - After Issue CN202856730U (en) | 2012-09-17 | 2012-09-17 | Converter based on microwave centralized transmission and scattered transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202856730U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970066A (en) * | 2012-09-17 | 2013-03-13 | 西安天和防务技术股份有限公司 | Converter based on centralized transmission and decentralized transmission of microwave |
| CN103682544A (en) * | 2013-11-22 | 2014-03-26 | 西安天和防务技术股份有限公司 | Radar microwave power combiner with fault self-adaption function |
| CN107612563A (en) * | 2017-08-31 | 2018-01-19 | 广东欧珀移动通信有限公司 | Radio-frequency front-end system, mobile terminal and signal processing method |
| CN109274351A (en) * | 2018-08-14 | 2019-01-25 | 宁波大学 | A kind of electronic impedance tuner |
-
2012
- 2012-09-17 CN CN 201220473910 patent/CN202856730U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102970066A (en) * | 2012-09-17 | 2013-03-13 | 西安天和防务技术股份有限公司 | Converter based on centralized transmission and decentralized transmission of microwave |
| CN102970066B (en) * | 2012-09-17 | 2016-06-08 | 西安天和防务技术股份有限公司 | A kind of based on the transmodulator of microwave concentration of transmissions with dispersion transmission |
| CN103682544A (en) * | 2013-11-22 | 2014-03-26 | 西安天和防务技术股份有限公司 | Radar microwave power combiner with fault self-adaption function |
| CN107612563A (en) * | 2017-08-31 | 2018-01-19 | 广东欧珀移动通信有限公司 | Radio-frequency front-end system, mobile terminal and signal processing method |
| CN109274351A (en) * | 2018-08-14 | 2019-01-25 | 宁波大学 | A kind of electronic impedance tuner |
| CN109274351B (en) * | 2018-08-14 | 2022-03-29 | 宁波大学 | Electronic impedance tuner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |