CN109193091A - A kind of high isolation ring-shaped component based on coupler - Google Patents
A kind of high isolation ring-shaped component based on coupler Download PDFInfo
- Publication number
- CN109193091A CN109193091A CN201810979382.5A CN201810979382A CN109193091A CN 109193091 A CN109193091 A CN 109193091A CN 201810979382 A CN201810979382 A CN 201810979382A CN 109193091 A CN109193091 A CN 109193091A
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- CN
- China
- Prior art keywords
- coupler
- port
- circulator
- phase
- signal
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
Abstract
The invention discloses a kind of high isolation ring-shaped component based on coupler, it include: circulator A (1), circulator B (2), matched load A (6), matched load B (7) and matched load C (8), further include: coupler A (3), coupler B (4) and coupler C (5), coupler A (3), coupler B (4) and coupler C (5) they are the 3dB electric bridge for differing 90 °.By using coupler, the isolation of ring-shaped component can be greatly improved, solves the problems, such as that transmitting signal is leaked to receiving channel and generates interference to signal is received.
Description
Technical field
The present invention relates to a kind of ring-shaped component, especially a kind of high isolation ring-shaped component based on coupler.
Background technique
For same frequency, simultaneously, the communication system of common aerial working, generally use circulator carry out transceiver insulation.Traditional
Circulator isolation is lower, and transmitting signal can be leaked in receiving channel by circulator, causes receiving channel saturation or noise
Than deteriorating, the overall performance of system is seriously affected.
Summary of the invention
The purpose of the present invention is to provide a kind of high isolation ring-shaped component based on coupler solves to emit in conventional apparatus
Signal is leaked to receiving channel and leads to the problem of interference.
A kind of high isolation ring-shaped component based on coupler, comprising: circulator A, circulator B, matched load A, matching are negative
Carry B and matched load C, further includes: coupler A, coupler B and coupler C, coupler A, coupler B and coupler C are phase
Poor 90 ° of 3dB electric bridge.
The port 1 of coupler A be the high isolation ring-shaped component based on coupler emission port, the port 3 of coupler A with
Matched load A is connected, and port 2, the port 4 of coupler A is connected with the port 1 of the port 1 of circulator A, circulator B respectively；Ring
The port 2 of shape device A, the port 2 of circulator B are connected with the port 1 of coupler B, port 3 respectively；The port 3 of circulator A, annular
The port 3 of device B is connected with the port 1 of coupler C, port 3 respectively；The port 2 of coupler B is the high isolation ring based on coupler
The port 4 of the antenna port of shape component, coupler B is connected with matched load B；The port 2 of coupler C is the height based on coupler
The port 4 of the receiving port of isolation annular component, coupler C is connected with matched load C.
High isolation ring-shaped component based on coupler receives the course of work of signal are as follows: receives signal by antenna port, that is, coupling
The port 2 of clutch B enters, and exports that two-way amplitude is equal, 90 ° of phase phase difference of reception letter in the port of coupler B 1 and port 3
Number, two-way receives signal and respectively enters circulator A and circulator B again, respectively enters coupler C's after the transmission of circulator forward direction
Port 1 and port 3.Since coupler C has 90 ° of phase difference characteristics, originally two-way amplitude is equal, 90 ° of phase phase difference of reception
Signal becomes that two-way amplitude is equal, the identical reception signal of phase in the port of coupler C 2, in-phase stacking, synthesizes laggard all the way
Enter reception system.Two-way amplitude is equal, 90 ° of phase phase difference of reception signal becomes two-way amplitude phase in the port of coupler C 4
Deng, 180 ° of phase phase difference of transmitting signal, reversed cancellation.
The course of work of high isolation ring-shaped component transmitting signal based on coupler are as follows: transmitting signal is by emission port, that is, coupling
The port 1 of clutch A enters, and exports that two-way amplitude is equal, 90 ° of phase phase difference of transmitting letter in the port of coupler A 2 and port 4
Number, two-way transmitting signal respectively enters circulator A and circulator B again, respectively enters coupler B's after the transmission of circulator forward direction
Port 1 and port 3.Since coupler B has 90 ° of phase difference characteristics, originally two-way amplitude is equal, 90 ° of phase phase difference of transmitting
Signal becomes that two-way amplitude is equal, the identical transmitting signal of phase in the port of coupler B 2, in-phase stacking, and synthesis passes through afterwards all the way
Antenna is launched.Two-way amplitude is equal, 90 ° of phase phase difference of transmitting signal becomes two-way amplitude phase in the port of coupler B 4
Deng, 180 ° of phase phase difference of transmitting signal, reversed cancellation.Simultaneously as circulator A and circulator B isolation are not high enough, by ring
The transmitting signal that shape device A and the port circulator B 1 enter understands some and is leaked to circulator A and the port circulator B 3, and two-way is let out
Dew signal equally has 90 ° of phase differences.Two-way leakage signal distinguishes the port 1 and port 3 of input coupler C, coupler C's
Port 4 becomes that two-way amplitude is equal, the identical signal of phase, and in-phase stacking is matched load C absorption.Two-way leakage signal exists
The port 2 of coupler C becomes that two-way amplitude is equal, 180 ° of phase phase difference of signal, reversed cancellation, therefore lets out without transmitting signal
Reveal receiving port.
By the present invention in that the isolation of ring-shaped component can be greatly improved with coupler, solves transmitting signal and be leaked to
Receiving channel leads to the problem of interference to signal is received.
Detailed description of the invention
A kind of structural schematic diagram of the high isolation ring-shaped component based on coupler of Fig. 1.
1. 5. coupler C of circulator A 2. circulator B, 3. coupler A, 4. coupler B, 6. matched load A 7. is matched
Load 8. matched load C of B
Specific embodiment
A kind of high isolation ring-shaped component based on coupler, comprising: circulator A1, circulator B2, matched load A6, matching
Load B7 and matched load C8, it is characterised in that further include: coupler A3, coupler B4 and coupler C5, coupler A3, coupling
Device B4 and coupler C5 is the 3dB electric bridge for differing 90 °.
The port 1 of coupler A3 is the emission port of the high isolation ring-shaped component based on coupler, the port 3 of coupler A3
It is connected with matched load A6, the port 2 of coupler A3 is connected with the port 1 of circulator A1；The port 4 of coupler A3 and circulator
The port 1 of B2 is connected；The port 2 of circulator A1 is connected with the port 3 of coupler B4；The port 2 of circulator B2 and coupler B4
Port 1 be connected；The port 3 of circulator A1 is connected with the port 1 of coupler C5；The port 3 of circulator B2 is with coupler C5's
Port 3 is connected；The port 2 of coupler B4 is the antenna port of the high isolation ring-shaped component based on coupler, the end of coupler B4
Mouth 4 is connected with matched load B7；The port 2 of coupler C5 is the receiving port of the high isolation ring-shaped component based on coupler, coupling
The port 4 of clutch C5 is connected with matched load C8.
A kind of course of work of the high isolation ring-shaped component based on coupler are as follows: when reception, receive signal by antenna port
That is the port 2 of coupler B4 enters, the port of coupler B4 1 and port 3 export two-way amplitude it is equal, 90 ° of phase phase difference
Signal is received, two-way receives signal and respectively enters circulator A1 and circulator B2 again, respectively enters after the transmission of circulator forward direction
The port 1 and port 3 of coupler C5.Since coupler C5 has 90 ° of phase difference characteristics, originally two-way amplitude is equal, phase phase
Poor 90 ° of reception signal becomes that two-way amplitude is equal, the identical reception signal of phase in the port of coupler C5 2, in-phase stacking,
Synthesis enters reception system afterwards all the way.Two-way amplitude is equal, 90 ° of phase phase difference of reception signal becomes in the port of coupler C5 4
, phase phase difference 180 ° of transmitting signal equal at two-way amplitude, reversed cancellation.When transmitting, emit signal by emission port, that is, coupling
The port 1 of clutch A3 enters, and exports that two-way amplitude is equal, 90 ° of phase phase difference of transmitting in the port of coupler A3 2 and port 4
Signal, two-way transmitting signal respectively enter circulator A1 and circulator B2 again, respectively enter coupling after the transmission of circulator forward direction
The port 1 and port 3 of device B4.Due to coupler B4 have 90 ° of phase difference characteristics, originally two-way amplitude it is equal, 90 ° of phase phase difference
Transmitting signal become that two-way amplitude is equal, the identical transmitting signal of phase in the port of coupler B4 2, in-phase stacking, synthesis
It is transmitted through antenna afterwards all the way.Two-way amplitude is equal, 90 ° of phase phase difference of transmitting signal becomes in the port of coupler B4 4
Two-way amplitude is equal, 180 ° of phase phase difference of transmitting signal, reversed cancellation.Simultaneously as circulator A1 and circulator B2 isolation
It spends not high enough, some is understood by the transmitting signal that circulator A1 and the port circulator B2 1 enter and is leaked to circulator A1 and ring
The port shape device B2 3, two-way leakage signal equally has 90 ° of phase differences.The port 1 of two-way leakage signal difference input coupler C5
With port 3, become that two-way amplitude is equal, the identical signal of phase in the port of coupler C5 4, in-phase stacking is matched load
C8 absorbs.Two-way leakage signal becomes that two-way amplitude is equal, 180 ° of phase phase difference of signal in the port of coupler C5 2, reversely
Cancellation, therefore receiving port is leaked to without transmitting signal.
Claims (3)
1. a kind of high isolation ring-shaped component based on coupler, comprising: circulator A (1), circulator B (2), matched load A (6),
Matched load B (7) and matched load C (8), it is characterised in that further include: coupler A (3), coupler B (4) and coupler C
(5), coupler A (3), coupler B (4) and coupler C (5) are the 3dB electric bridge for differing 90 °；
The port 1 of coupler A (3) is the emission port of the high isolation ring-shaped component based on coupler, the port 3 of coupler A (3)
It is connected with matched load A (6), the port 2 of coupler A (3) is connected with the port 1 of circulator A (1)；The port 4 of coupler A (3)
It is connected with the port 1 of circulator B (2)；The port 2 of circulator A (1) is connected with the port 3 of coupler B (4)；Circulator B's (2)
Port 2 is connected with the port 1 of coupler B (4)；The port 3 of circulator A (1) is connected with the port 1 of coupler C (5)；Circulator B
(2) port 3 is connected with the port 3 of coupler C (5)；The port 2 of coupler B (4) is the high isolation circular groups based on coupler
The port 4 of the antenna port of part, coupler B (4) is connected with matched load B (7)；The port 2 of coupler C (5) is based on coupling
The port 4 of the receiving port of the high isolation ring-shaped component of device, coupler C (5) is connected with matched load C (8).
2. a kind of high isolation ring-shaped component based on coupler according to claim 1, it is characterised in that it is described based on
The high isolation ring-shaped component of coupler receives the course of work of signal are as follows: receives signal by the end antenna port, that is, coupler B (4)
Mouthfuls 2 enter, and export that two-way amplitude is equal, 90 ° of phase phase difference of reception signal in port 1 and the port 3 of coupler B (4), two-way
It receives signal and respectively enters circulator A (1) and circulator B (2) again, respectively enter coupler C (5) after the transmission of circulator forward direction
Port 1 and port 3；Since coupler C (5) have 90 ° of phase difference characteristics, originally two-way amplitude it is equal, 90 ° of phase phase difference
It receives signal and becomes that two-way amplitude is equal, the identical reception signal of phase in the port 2 of coupler C (5), in-phase stacking, synthesis
Enter reception system afterwards all the way；Two-way amplitude is equal, 90 ° of phase phase difference of reception signal becomes in the port 4 of coupler C (5)
Two-way amplitude is equal, 180 ° of phase phase difference of transmitting signal, reversed cancellation.
3. a kind of high isolation ring-shaped component based on coupler according to claim 1, it is characterised in that it is described based on
The course of work of the high isolation ring-shaped component transmitting signal of coupler are as follows: transmitting signal is by the end emission port, that is, coupler A (3)
Mouthful 1 enters, and exports that two-way amplitude is equal, 90 ° of phase phase difference of transmitting signal in port 2 and the port 4 of coupler A (3), two-way
Transmitting signal respectively enters circulator A (1) and circulator B (2) again, respectively enters coupler B (4) after the transmission of circulator forward direction
Port 1 and port 3；Since coupler B (4) have 90 ° of phase difference characteristics, originally two-way amplitude it is equal, 90 ° of phase phase difference
Transmitting signal becomes that two-way amplitude is equal, the identical transmitting signal of phase in the port 2 of coupler B (4), in-phase stacking, synthesis
It is transmitted through antenna afterwards all the way；Two-way amplitude is equal, 90 ° of phase phase difference of transmitting signal becomes in the port 4 of coupler B (4)
, phase phase difference 180 ° of transmitting signal equal at two-way amplitude, reversed cancellation；Simultaneously as circulator A (1) and circulator B
(2) isolation is not high enough, understands some by the transmitting signal that circulator A (1) and circulator B (2) port 1 enter and is leaked to ring
Shape device A (1) and circulator B (2) port 3, two-way leakage signal equally has 90 ° of phase differences；Two-way leakage signal inputs respectively
The port 1 and port 3 of coupler C (5), becomes that two-way amplitude is equal, the identical signal of phase in the port 4 of coupler C (5),
In-phase stacking is matched load C (8) absorption；Two-way leakage signal the port 2 of coupler C (5) become two-way amplitude it is equal,
The signal that 180 ° of phase phase difference, reversed cancellation, therefore receiving port is leaked to without transmitting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979382.5A CN109193091A (en) | 2018-08-22 | 2018-08-22 | A kind of high isolation ring-shaped component based on coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979382.5A CN109193091A (en) | 2018-08-22 | 2018-08-22 | A kind of high isolation ring-shaped component based on coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109193091A true CN109193091A (en) | 2019-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810979382.5A Pending CN109193091A (en) | 2018-08-22 | 2018-08-22 | A kind of high isolation ring-shaped component based on coupler |
Country Status (1)
| Country | Link |
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| CN (1) | CN109193091A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538766A (en) * | 2003-10-24 | 2004-10-20 | 中兴通讯股份有限公司 | Time division duplex receiving sending switch device |
| US20170207532A1 (en) * | 2016-01-20 | 2017-07-20 | The Regents Of The University Of California | Indented antenna array for transmitter to receiver isolation |
-
2018
- 2018-08-22 CN CN201810979382.5A patent/CN109193091A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538766A (en) * | 2003-10-24 | 2004-10-20 | 中兴通讯股份有限公司 | Time division duplex receiving sending switch device |
| US20170207532A1 (en) * | 2016-01-20 | 2017-07-20 | The Regents Of The University Of California | Indented antenna array for transmitter to receiver isolation |
Non-Patent Citations (1)
| Title |
|---|
| G. LATHIERE等: ""A Novel Balanced Circulator For FDD MC-CDMA Communications"", 《34TH EUROPEAN MICROWAVE CONFERENCE, 2004.》 * |
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| CB03 | Change of inventor or designer information |
Inventor after: Fan Shoutao Inventor after: Liu Tengda Inventor after: Wang Zhibin Inventor before: Fan Shoutao Inventor before: Liu Tengda |
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| CB03 | Change of inventor or designer information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190111 |
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| WD01 | Invention patent application deemed withdrawn after publication |