CN204441435U - A kind of cavity coupler - Google Patents
A kind of cavity coupler Download PDFInfo
- Publication number
- CN204441435U CN204441435U CN201420867129.8U CN201420867129U CN204441435U CN 204441435 U CN204441435 U CN 204441435U CN 201420867129 U CN201420867129 U CN 201420867129U CN 204441435 U CN204441435 U CN 204441435U
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- China
- Prior art keywords
- line
- connector
- cavity
- transmission line
- impedance
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Abstract
A kind of cavity coupler, described cavity coupler comprises cavity, inner wire and dielectric rod, described inner wire comprises main transmission line, secondary transmission line, described inner wire is provided with several dielectric rod, described main transmission line, secondary transmission line be arranged in parallel, described main transmission line two ends connect connector a and connector b respectively, described secondary transmission line two ends connect connector c and resistance respectively, described connector a, connector b, connector c, be fixed on the outside of cavity, the junction of described connector and cavity is provided with watertight composition, described main transmission line comprises impedance line a and impedance line b, described secondary transmission line comprises impedance line c and impedance line d.The utility model inner conductors structure is carried out perfect, has increased substantially the percent of pass of product intermodulation, has expanded operating frequency; And the integrally-built design of the utility model, make the utility model safe and reliable, long service life, frequency range is large, and low standing-wave ratio, low-loss, power bearing ability is large.
Description
Technical field
The utility model relates to mobile communication equipment technical field, is specifically related to a kind of cavity coupler.
Background technology
In modern 3G wireless communication system, passive device is environment friendly and pollution-free with it, low-power consumption and reliability high and be widely used.Cavity coupler is device very conventional in passive device.The main feature of cavity coupler is that coupling consume can design according to actual needs, has the advantages such as working band is wide, the interior Insertion Loss of band is little, isolation is high, standing-wave ratio is little, good looking appearance.
But there is cavity body structure imperfection in prior art, the disposable percent of pass of intermodulation is not high, and operating frequency range is narrow yet.
Utility model content
For above the deficiencies in the prior art, the utility model provides a kind of cavity coupler.
A kind of cavity coupler, described cavity coupler comprises cavity, inner wire and dielectric rod, described inner wire comprises main transmission line, secondary transmission line, described inner wire is provided with several dielectric rod, described main transmission line, secondary transmission line be arranged in parallel, described main transmission line two ends connect connector a and connector b respectively, described secondary transmission line two ends connect connector c and resistance respectively, described connector a, connector b, connector c, be fixed on the outside of cavity, the junction of described connector and cavity is provided with watertight composition
Described main transmission line comprises impedance line a and impedance line b, and the broken line on described impedance line a becomes 30 degree of angles with horizontal line, and described impedance line a becomes 120 degree of angles with the broken line of impedance line b junction with horizontal line,
Described secondary transmission line comprises impedance line c and impedance line d, and the broken line on described impedance line c becomes 150 degree with horizontal line, and the broken line on described impedance line d becomes 30 degree of angles with horizontal line, and described impedance line c becomes 60 degree of angles with the broken line of impedance line d junction with horizontal line,
Described inside cavity is silver-plated.
What described inner wire adopted is aluminium silver plate, or copper silver plate.
The operating frequency of described cavity coupler is: 698MHz-2700MHz.
The beneficial effects of the utility model are: the utility model inner conductors structure is carried out perfect, has increased substantially the percent of pass of product intermodulation, has expanded operating frequency; And the integrally-built design of the utility model, make the utility model safe and reliable, long service life, frequency range is large, low standing-wave ratio, low-loss, and power bearing ability is large; The junction of described connector and cavity is provided with watertight composition, and therefore the utility model has water proofing property; What described inner wire adopted is aluminium silver plate, or copper silver plate, and in signals transmission, better, compare with the dielectric-slab of micro-band, the loss of signal in transmitting procedure is less, and the standing-wave ratio of corresponding each port is also little many for heat radiation and reflecting properties; Inside cavity is silver-plated, decreases loss of signal.
Accompanying drawing explanation
Fig. 1 is a kind of cavity coupler structural representation of the utility model;
Fig. 2 is the structural representation of a kind of cavity coupler inner wire of the utility model;
In figure: 1 is cavity; 2 is dielectric rod; 3 is main transmission line; 4 is secondary transmission line; 5 is connector a; 6 is connector b; 7 is connector c; 8 is resistance; 9 is watertight composition; 10 is impedance line a; 11 is impedance line b; 12 is impedance line c; 13 is impedance line d.
Embodiment
Illustrate below in conjunction with embodiment and accompanying drawing and the utility model is described in further details.
As depicted in figs. 1 and 2, a kind of cavity coupler, described cavity coupler comprises cavity (1), inner wire and dielectric rod (2), described inner wire comprises main transmission line (3), secondary transmission line (4), described inner wire is provided with several dielectric rod (2), described main transmission line (3), secondary transmission line (4) be arranged in parallel, described main transmission line (3) two ends connect connector a (5) and connector b (6) respectively, described secondary transmission line (4) two ends connect connector c (7) and resistance (8) respectively, described connector a (5), connector b (6), connector c (7), be fixed on the outside of cavity (1), the junction of described connector and cavity (1) is provided with watertight composition (9), described main transmission line (3) comprises impedance line a (10) and impedance line b (11), broken line on described impedance line a (10) becomes 30 degree of angles with horizontal line, described impedance line a (10) becomes 120 degree of angles with the broken line of impedance line b (11) junction with horizontal line, described secondary transmission line (4) comprises impedance line c (12) and impedance line d (13), broken line on described impedance line c (12) becomes 150 degree with horizontal line, broken line on described impedance line d (13) becomes 30 degree of angles with horizontal line, described impedance line c (12) becomes 60 degree of angles with the broken line of impedance line d (13) junction with horizontal line, the utility model inner conductors structure is carried out perfect, increase substantially the percent of pass of product intermodulation, expand operating frequency, the operating frequency range of cavity coupler is made to be 698MHz-2700MHz, and the integrally-built design of the utility model, make the utility model safe and reliable, long service life, frequency range is large, low standing-wave ratio, low-loss, power bearing ability is large, the junction of described connector and cavity (1) is provided with watertight composition (9), and therefore the utility model has water proofing property.
Described cavity (1) is inner silver-plated, decreases loss of signal.
What described inner wire adopted is aluminium silver plate, or copper silver plate, and in signals transmission, better, compare with the dielectric-slab of micro-band, the loss of signal in transmitting procedure is less, and the standing-wave ratio of corresponding each port is also little many for heat radiation and reflecting properties.
Following technique effect can be realized by the utility model:
The utility model inner conductors structure is carried out perfect, has increased substantially the percent of pass of product intermodulation; And the integrally-built design of the utility model, make the utility model safe and reliable, long service life, frequency range is large, low standing-wave ratio, low-loss, and power bearing ability is large; The junction of described connector and cavity (1) is provided with watertight composition (9), and therefore the utility model has water proofing property; What inner wire adopted is aluminium silver plate, or copper silver plate, and in signals transmission, better, compare with the dielectric-slab of micro-band, the loss of signal in transmitting procedure is less, and the standing-wave ratio of corresponding each port is also little many for heat radiation and reflecting properties; Cavity (1) is inner silver-plated, decreases loss of signal.
Claims (4)
1. a cavity coupler, it is characterized in that described cavity coupler comprises cavity (1), inner wire and dielectric rod (2), described inner wire comprises main transmission line (3), secondary transmission line (4), described inner wire is provided with several dielectric rod (2), described main transmission line (3), secondary transmission line (4) be arranged in parallel, described main transmission line (3) two ends connect connector a (5) and connector b (6) respectively, described secondary transmission line (4) two ends connect connector c (7) and resistance (8) respectively, described connector a (5), connector b (6), connector c (7), be fixed on the outside of cavity (1), the junction of described connector and cavity (1) is provided with watertight composition (9),
Described main transmission line (3) comprises impedance line a (10) and impedance line b (11), broken line on described impedance line a (10) becomes 30 degree of angles with horizontal line, described impedance line a (10) becomes 120 degree of angles with the broken line of impedance line b (11) junction with horizontal line
Described secondary transmission line (4) comprises impedance line c (12) and impedance line d (13), broken line on described impedance line c (12) becomes 150 degree with horizontal line, broken line on described impedance line d (13) becomes 30 degree of angles with horizontal line, described impedance line c (12) becomes 60 degree of angles with the broken line of impedance line d (13) junction with horizontal line.
2. a kind of cavity coupler according to claim 1, is characterized in that described cavity (1) is inner silver-plated.
3. a kind of cavity coupler according to claim 1, what it is characterized in that described inner wire adopts is aluminium silver plate, or copper silver plate.
4. a kind of cavity coupler according to claim 1, is characterized in that the operating frequency of described cavity coupler is: 698MHz-2700MHz.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420867129.8U CN204441435U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity coupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420867129.8U CN204441435U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity coupler |
Publications (1)
Publication Number | Publication Date |
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CN204441435U true CN204441435U (en) | 2015-07-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420867129.8U Expired - Fee Related CN204441435U (en) | 2014-12-31 | 2014-12-31 | A kind of cavity coupler |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112910494A (en) * | 2021-02-01 | 2021-06-04 | 维沃移动通信有限公司 | Signal monitoring circuit and method and electronic equipment |
-
2014
- 2014-12-31 CN CN201420867129.8U patent/CN204441435U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112910494A (en) * | 2021-02-01 | 2021-06-04 | 维沃移动通信有限公司 | Signal monitoring circuit and method and electronic equipment |
CN112910494B (en) * | 2021-02-01 | 2022-08-02 | 维沃移动通信有限公司 | Signal monitoring circuit and method and electronic equipment |
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Legal Events
Date | Code | Title | Description |
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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: 20150701 Termination date: 20151231 |
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EXPY | Termination of patent right or utility model |