GB9918976D0 - Transmission output control apparatus having a directional coupler with a variable coupling length - Google Patents
Transmission output control apparatus having a directional coupler with a variable coupling lengthInfo
- Publication number
- GB9918976D0 GB9918976D0 GBGB9918976.3A GB9918976A GB9918976D0 GB 9918976 D0 GB9918976 D0 GB 9918976D0 GB 9918976 A GB9918976 A GB 9918976A GB 9918976 D0 GB9918976 D0 GB 9918976D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- control apparatus
- output control
- directional coupler
- transmission output
- coupling length
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
- H01P5/185—Edge coupled lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10226849A JP2000059240A (en) | 1998-08-11 | 1998-08-11 | Transmission output control method and its circuit |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9918976D0 true GB9918976D0 (en) | 1999-10-13 |
GB2343790A GB2343790A (en) | 2000-05-17 |
GB2343790B GB2343790B (en) | 2003-08-20 |
Family
ID=16851538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9918976A Expired - Fee Related GB2343790B (en) | 1998-08-11 | 1999-08-11 | Transmission output control apparatus having a directional coupler with a variable coupling length |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2000059240A (en) |
GB (1) | GB2343790B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012015591A (en) * | 2010-06-29 | 2012-01-19 | Fujitsu Ltd | Output control device and transmitter |
JP5573885B2 (en) * | 2012-04-27 | 2014-08-20 | 横河電機株式会社 | Self-diagnosis circuit |
US9312592B2 (en) | 2013-03-15 | 2016-04-12 | Keysight Technologies, Inc. | Adjustable directional coupler circuit |
US11586956B2 (en) | 2013-05-28 | 2023-02-21 | Keysight Technologies, Inc. | Searching apparatus utilizing sub-word finite state machines |
CN103367855A (en) * | 2013-06-27 | 2013-10-23 | 华为技术有限公司 | Radio frequency coupler |
US20220393326A1 (en) * | 2021-06-02 | 2022-12-08 | Skyworks Solutions, Inc. | Directional coupler with multiple arrangements of termination |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62159502A (en) * | 1986-01-07 | 1987-07-15 | Alps Electric Co Ltd | Directional coupler |
AT393048B (en) * | 1987-04-17 | 1991-07-25 | Siemens Ag Oesterreich | ALIGNMENT COUPLER IN MICROSTRIP TECHNOLOGY |
EP0828308B1 (en) * | 1996-03-22 | 2004-08-25 | Matsushita Electric Industrial Co., Ltd. | Low-pass filter with directional coupler and portable telephone set using the same |
-
1998
- 1998-08-11 JP JP10226849A patent/JP2000059240A/en active Pending
-
1999
- 1999-08-11 GB GB9918976A patent/GB2343790B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2000059240A (en) | 2000-02-25 |
GB2343790B (en) | 2003-08-20 |
GB2343790A (en) | 2000-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080811 |