DE3108617C2 - - Google Patents
Info
- Publication number
- DE3108617C2 DE3108617C2 DE3108617A DE3108617A DE3108617C2 DE 3108617 C2 DE3108617 C2 DE 3108617C2 DE 3108617 A DE3108617 A DE 3108617A DE 3108617 A DE3108617 A DE 3108617A DE 3108617 C2 DE3108617 C2 DE 3108617C2
- Authority
- DE
- Germany
- Prior art keywords
- transistors
- signal
- transmission path
- gain control
- transistor
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 55
- 230000003071 parasitic effect Effects 0.000 claims description 9
- 238000012937 correction Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/04—Modifications of control circuit to reduce distortion caused by control
-
- 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
Landscapes
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13122080A | 1980-03-17 | 1980-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3108617A1 DE3108617A1 (de) | 1981-12-24 |
| DE3108617C2 true DE3108617C2 (en:Method) | 1990-07-05 |
Family
ID=22448465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813108617 Granted DE3108617A1 (de) | 1980-03-17 | 1981-03-06 | "verstaerkungssteuerschaltung" |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4403199A (en:Method) |
| JP (1) | JPS56140712A (en:Method) |
| AU (1) | AU6202380A (en:Method) |
| CA (1) | CA1157536A (en:Method) |
| DE (1) | DE3108617A1 (en:Method) |
| FR (1) | FR2478347B1 (en:Method) |
| GB (2) | GB2071944B (en:Method) |
| NL (1) | NL193076C (en:Method) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454433A (en) * | 1981-08-17 | 1984-06-12 | Dbx, Inc. | Multiplier circuit |
| US4471324A (en) * | 1982-01-19 | 1984-09-11 | Dbx, Inc. | All NPN variably controlled amplifier |
| GB8502801D0 (en) * | 1985-02-04 | 1985-03-06 | Bransbury R | Multiplier circuits |
| DE3525066C1 (de) * | 1985-07-13 | 1986-11-06 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verstaerker mit steuerbarer Verstaerkung |
| DE3525655C1 (de) * | 1985-07-18 | 1986-11-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verstaerker fuer erdsymmetrische,elektrische Signale,mit Kompressor- und/oder Expanderfunktion |
| DE3622615C1 (de) * | 1986-07-05 | 1987-11-05 | Ant Nachrichtentech | Spannungsgesteuerter Verstaerker fuer erdsymmetrische,elektrische Signale |
| US5039952A (en) * | 1990-04-20 | 1991-08-13 | International Business Machines Corp. | Electronic gain cell |
| KR930009702B1 (ko) * | 1991-04-17 | 1993-10-08 | 삼성전자 주식회사 | 외부 바이어스를 이용한 광대역 선형 이득 조절증폭기 |
| US5367212A (en) * | 1992-10-30 | 1994-11-22 | Zenith Electronics Corp. | Geometry correction waveform synthesizer |
| US5663684A (en) * | 1994-11-09 | 1997-09-02 | That Corporation | Wafer-stage adjustment for compensating for mismatches in temperature dependent IC components |
| US5736897A (en) * | 1995-01-24 | 1998-04-07 | Bbe Sound Inc. | Low input signal bandwidth compressor and amplifier control circuit with a state variable pre-amplifier |
| US5510752A (en) * | 1995-01-24 | 1996-04-23 | Bbe Sound Inc. | Low input signal bandwidth compressor and amplifier control circuit |
| US6037993A (en) * | 1997-03-17 | 2000-03-14 | Antec Corporation | Digital BTSC compander system |
| US6259482B1 (en) | 1998-03-11 | 2001-07-10 | Matthew F. Easley | Digital BTSC compander system |
| US6765802B1 (en) | 2000-10-27 | 2004-07-20 | Ridley Engineering, Inc. | Audio sound quality enhancement apparatus |
| US7474536B2 (en) * | 2000-10-27 | 2009-01-06 | Ridley Ray B | Audio sound quality enhancement apparatus and method |
| US9065408B2 (en) * | 2013-03-14 | 2015-06-23 | Rgb Systems, Inc. | Voltage controlled amplifier and method of using the same |
| US9796932B2 (en) | 2013-12-19 | 2017-10-24 | Basf Corporation | FCC catalyst compositions containing boron oxide and phosphorus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714462A (en) * | 1971-06-14 | 1973-01-30 | D Blackmer | Multiplier circuits |
| GB1568441A (en) * | 1977-02-14 | 1980-05-29 | Tokyo Shibaura Electric Co | Bias circuit |
| US4234804A (en) * | 1978-09-19 | 1980-11-18 | Dbx, Inc. | Signal correction for electrical gain control systems |
| US4225794A (en) * | 1978-09-25 | 1980-09-30 | Buff Paul C | Voltage controlled amplifier |
| US4331931A (en) * | 1979-11-01 | 1982-05-25 | Dbx, Inc. | Gain control systems |
-
1980
- 1980-05-08 JP JP6119780A patent/JPS56140712A/ja active Granted
- 1980-08-26 CA CA000359031A patent/CA1157536A/en not_active Expired
- 1980-09-03 AU AU62023/80A patent/AU6202380A/en not_active Abandoned
- 1980-09-08 GB GB8028910A patent/GB2071944B/en not_active Expired
- 1980-11-03 NL NL8006006A patent/NL193076C/nl not_active IP Right Cessation
- 1980-11-24 FR FR8024895A patent/FR2478347B1/fr not_active Expired
-
1981
- 1981-03-06 DE DE19813108617 patent/DE3108617A1/de active Granted
- 1981-03-26 US US06/247,829 patent/US4403199A/en not_active Expired - Lifetime
-
1983
- 1983-10-12 GB GB08327228A patent/GB2133944B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU6202380A (en) | 1981-09-24 |
| GB2133944B (en) | 1985-02-20 |
| NL193076B (nl) | 1998-05-06 |
| NL8006006A (nl) | 1981-10-16 |
| DE3108617A1 (de) | 1981-12-24 |
| GB2133944A (en) | 1984-08-01 |
| US4403199A (en) | 1983-09-06 |
| FR2478347B1 (fr) | 1985-11-29 |
| CA1157536A (en) | 1983-11-22 |
| JPH027206B2 (en:Method) | 1990-02-16 |
| FR2478347A1 (fr) | 1981-09-18 |
| NL193076C (nl) | 1998-09-08 |
| JPS56140712A (en) | 1981-11-04 |
| GB2071944A (en) | 1981-09-23 |
| GB2071944B (en) | 1984-08-30 |
| GB8327228D0 (en) | 1983-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: BSR NORTH AMERICA LTD., NEW YORK, N.Y., US |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MILLS-RALSTON, INC., SAN FRANCISCO, CALIF., US |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: THAT CORP., MARLBOROUGH, MASS., US |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: G. KOCH UND KOLLEGEN, 80339 MUENCHEN |