CN204206124U - A kind of regulable ring-shaped coupler - Google Patents
A kind of regulable ring-shaped coupler Download PDFInfo
- Publication number
- CN204206124U CN204206124U CN201420534473.5U CN201420534473U CN204206124U CN 204206124 U CN204206124 U CN 204206124U CN 201420534473 U CN201420534473 U CN 201420534473U CN 204206124 U CN204206124 U CN 204206124U
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- CN
- China
- Prior art keywords
- coupler
- circuit
- utility
- high impedance
- model
- 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.)
- Expired - Fee Related
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- Microwave Amplifiers (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses a kind of regulable ring-shaped coupler, this circuit structure by comprising four ports (1 ~ 4), two high impedance linear phase circuit, wherein high impedance linear phase circuit microstrip transmission line realize.This coupler can be widely used in WCDMA mobile communication system, radar antenna and RFID transceiver etc. to the strict place of signal performance requirement.Can inhibition zone external noise, improve the stability of electronic circuit.Meanwhile, compare the coupler circuit of other structures, it is adjustable that the utility model can realize coupler, and can apply in the different frequency range of communication system.
Description
Technical field
The utility model relates to coupler circuit, and particularly a kind of regulable ring-shaped coupler, has important application in filtering and matching network.
Background technology
In the last few years, a series of research about filter circuit had been carried out both at home and abroad.Achieve a lot of achievement in research, be especially used in mobile communication technology, be used in power-amplifier front-end and radar antenna feed part, filter circuit effectively can solve the large problem of system passband external noise.But its project organization can only use in specific frequency range, and bandwidth is less, make system bulk comparatively large, and versatility is not strong.Simultaneously traditional coupler circuit is due to the problem of its circuit structure, and make temperature sensitivity extremely strong, applicability is very limited.The utility model, for above problem, can effectively solve, and to meet system requirements, and stability is high, volume is little, the feature of high impedance, linear phase, applied widely.
Summary of the invention
The utility model provides a kind of and has that structure is simple, volume is little, the regulable ring-shaped coupler of high impedance and linear phase.
The technical scheme realizing the object of the invention is: a kind of regulable ring-shaped coupler, comprises four ports (1 ~ 4), two high impedance linear phase circuit, wherein high impedance linear phase circuit microstrip transmission line realize.
Compared with prior art, the utility model provides that a kind of adjustable, structure is simple, the feature of high impedance, linear phase.
Accompanying drawing explanation
Fig. 1 is a kind of regulable ring-shaped coupler circuit structure chart of the utility model.
Fig. 2 is equivalent circuit diagram between a kind of regulable ring-shaped Coupler ports 1 of the utility model and port 2.
Fig. 3 is that between a kind of regulable ring-shaped Coupler ports 1 of the utility model and port 2, equivalent electric circuit inserts and return loss response diagram.
Fig. 4 is equivalent electric circuit phase characteristic figure between a kind of regulable ring-shaped Coupler ports 1 of the utility model and port 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Composition graphs 1, the utility model is a kind of regulable ring-shaped coupler, comprise four ports (1 ~ 4), two high impedance linear phase circuit, wherein high impedance linear phase circuit microstrip transmission line realize, between its port one and port 2, equivalent electric circuit as shown in Figure 2, composition graphs 3, Fig. 4 can find, this annular coupler has the feature of high impedance, linear phase.Coupler can be on a single die integrated with RF transceiver.
The utility model designs this kind of adjustable coupler device and can be used in RF transceiver, and Output rusults is good.Use result to show that this device has good degree of suppression to channel receiver pulse and noise level, effectively overcome the problem adopting traditional design volume excessive, can ensure that device obtains best channel signal transmission effect.
Claims (1)
1. a regulable ring-shaped coupler, is characterized in that: comprise four ports (1 ~ 4), two high impedance linear phase circuit, wherein high impedance linear phase circuit microstrip transmission line realize; Port one ~ 4 all connect 50 ohmages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534473.5U CN204206124U (en) | 2014-09-18 | 2014-09-18 | A kind of regulable ring-shaped coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534473.5U CN204206124U (en) | 2014-09-18 | 2014-09-18 | A kind of regulable ring-shaped coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206124U true CN204206124U (en) | 2015-03-11 |
Family
ID=52664035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420534473.5U Expired - Fee Related CN204206124U (en) | 2014-09-18 | 2014-09-18 | A kind of regulable ring-shaped coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204206124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202005A (en) * | 2014-09-18 | 2014-12-10 | 王少夫 | Adjustable annular coupler |
-
2014
- 2014-09-18 CN CN201420534473.5U patent/CN204206124U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202005A (en) * | 2014-09-18 | 2014-12-10 | 王少夫 | Adjustable annular coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20150918 |
|
| EXPY | Termination of patent right or utility model |