DE69718122T2 - Verstärkungsregelungsschaltung und Verstärkungsregelungsverfahren - Google Patents
Verstärkungsregelungsschaltung und VerstärkungsregelungsverfahrenInfo
- Publication number
- DE69718122T2 DE69718122T2 DE69718122T DE69718122T DE69718122T2 DE 69718122 T2 DE69718122 T2 DE 69718122T2 DE 69718122 T DE69718122 T DE 69718122T DE 69718122 T DE69718122 T DE 69718122T DE 69718122 T2 DE69718122 T2 DE 69718122T2
- Authority
- DE
- Germany
- Prior art keywords
- gain control
- control circuit
- control method
- circuit
- gain
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G2201/00—Indexing scheme relating to subclass H03G
- H03G2201/10—Gain control characterised by the type of controlled element
- H03G2201/106—Gain control characterised by the type of controlled element being attenuating element
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/725,924 US5812029A (en) | 1996-10-04 | 1996-10-04 | Gain control circuit and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69718122D1 DE69718122D1 (de) | 2003-02-06 |
DE69718122T2 true DE69718122T2 (de) | 2003-11-13 |
Family
ID=24916486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69718122T Expired - Fee Related DE69718122T2 (de) | 1996-10-04 | 1997-09-26 | Verstärkungsregelungsschaltung und Verstärkungsregelungsverfahren |
Country Status (7)
Country | Link |
---|---|
US (1) | US5812029A (de) |
EP (1) | EP0834986B1 (de) |
JP (1) | JPH10126179A (de) |
KR (1) | KR100283645B1 (de) |
DE (1) | DE69718122T2 (de) |
IL (1) | IL121763A (de) |
TW (1) | TW355882B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6317502B1 (en) * | 1996-02-29 | 2001-11-13 | Sanyo Electric Co., Ltd. | Electronic volume control circuit with controlled output characteristic |
JP2000031756A (ja) * | 1998-07-14 | 2000-01-28 | Mitsubishi Electric Corp | カレントミラー回路及びチャージポンプ回路 |
US6064268A (en) * | 1999-01-28 | 2000-05-16 | Hewlett--Packard Company | Precision emitter follower |
US6259323B1 (en) | 1999-12-17 | 2001-07-10 | Nokia Mobile Phones Ltd. | Gain control for low noise amplifier |
JP3841652B2 (ja) * | 2001-03-14 | 2006-11-01 | 富士通株式会社 | 増幅回路 |
US6710657B2 (en) | 2001-10-12 | 2004-03-23 | Anadigics, Inc. | Gain control circuit with well-defined gain states |
KR100648380B1 (ko) * | 2005-12-12 | 2006-11-24 | 한국전자통신연구원 | 가변 이득 증폭기 |
US7636016B2 (en) * | 2007-09-17 | 2009-12-22 | Board Of Regents, The University Of Texas System | Current mirror circuit |
US8699984B2 (en) * | 2008-02-25 | 2014-04-15 | Csr Technology Inc. | Adaptive noise figure control in a radio receiver |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2308835C3 (de) * | 1972-03-02 | 1986-03-27 | Sony Corp., Tokio/Tokyo | Regelbarer Verstärker für elektrische Signale |
US4814724A (en) * | 1986-07-15 | 1989-03-21 | Toko Kabushiki Kaisha | Gain control circuit of current mirror circuit type |
US4878031A (en) * | 1989-03-06 | 1989-10-31 | Motorola, Inc. | Class B variable gain control circuit |
JPH06164249A (ja) * | 1992-11-25 | 1994-06-10 | Nec Corp | 可変利得増幅回路 |
US5424682A (en) * | 1994-08-01 | 1995-06-13 | Motorola, Inc. | Variable gain amplifier circuit |
-
1996
- 1996-10-04 US US08/725,924 patent/US5812029A/en not_active Expired - Fee Related
-
1997
- 1997-09-15 IL IL12176397A patent/IL121763A/en not_active IP Right Cessation
- 1997-09-26 DE DE69718122T patent/DE69718122T2/de not_active Expired - Fee Related
- 1997-09-26 EP EP97116810A patent/EP0834986B1/de not_active Expired - Lifetime
- 1997-09-29 JP JP9263977A patent/JPH10126179A/ja not_active Withdrawn
- 1997-09-29 KR KR1019970049607A patent/KR100283645B1/ko not_active IP Right Cessation
- 1997-10-02 TW TW086114344A patent/TW355882B/zh active
Also Published As
Publication number | Publication date |
---|---|
IL121763A (en) | 2002-02-10 |
EP0834986A3 (de) | 1999-12-01 |
EP0834986B1 (de) | 2003-01-02 |
IL121763A0 (en) | 1998-02-22 |
US5812029A (en) | 1998-09-22 |
DE69718122D1 (de) | 2003-02-06 |
JPH10126179A (ja) | 1998-05-15 |
EP0834986A2 (de) | 1998-04-08 |
KR100283645B1 (ko) | 2001-03-02 |
TW355882B (en) | 1999-04-11 |
KR19980032423A (ko) | 1998-07-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |