JPS5168156A - - Google Patents
Info
- Publication number
- JPS5168156A JPS5168156A JP50128993A JP12899375A JPS5168156A JP S5168156 A JPS5168156 A JP S5168156A JP 50128993 A JP50128993 A JP 50128993A JP 12899375 A JP12899375 A JP 12899375A JP S5168156 A JPS5168156 A JP S5168156A
- Authority
- JP
- Japan
- 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
- 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
-
- 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
Landscapes
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7414217A NL7414217A (en) | 1974-10-31 | 1974-10-31 | AMPLIFIER WITH SIGNAL LEVEL CONTROL. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5168156A true JPS5168156A (en) | 1976-06-12 |
| JPS5754002B2 JPS5754002B2 (en) | 1982-11-16 |
Family
ID=19822367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50128993A Expired JPS5754002B2 (en) | 1974-10-31 | 1975-10-28 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5754002B2 (en) |
| AR (1) | AR209120A1 (en) |
| AU (1) | AU500832B2 (en) |
| BE (1) | BE835009A (en) |
| BR (1) | BR7507059A (en) |
| CA (1) | CA1035018A (en) |
| DE (1) | DE2546844C2 (en) |
| DK (1) | DK484475A (en) |
| FR (1) | FR2290087A1 (en) |
| GB (1) | GB1485092A (en) |
| IT (1) | IT1047244B (en) |
| NL (1) | NL7414217A (en) |
| SE (1) | SE416095B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2707870C2 (en) * | 1977-02-24 | 1983-04-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement for gain control |
| US4317082A (en) * | 1978-11-06 | 1982-02-23 | National Semiconductor Corporation | Current mirror circuit |
| DE3329665A1 (en) * | 1983-08-17 | 1985-03-07 | Telefunken electronic GmbH, 7100 Heilbronn | CIRCUIT ARRANGEMENT FOR THE AMPLIFICATION OF ELECTRICAL SIGNALS |
| DE3329663A1 (en) * | 1983-08-17 | 1985-03-07 | Telefunken electronic GmbH, 7100 Heilbronn | MULTI-STAGE SIGNAL TRANSMISSION SYSTEM |
| FR2571564A1 (en) * | 1984-10-09 | 1986-04-11 | Labo Cent Telecommunicat | Integrated circuit delivering an output current whose variation is the inverse of that of the input current, applicable in particular in the field of telephony |
| US7259629B2 (en) * | 2002-08-12 | 2007-08-21 | Nxp, B.V. | Variable gain amplifier with improved control characteristics linearity |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1274672A (en) * | 1968-09-27 | 1972-05-17 | Rca Corp | Operational amplifier |
| DE2308835C3 (en) * | 1972-03-02 | 1986-03-27 | Sony Corp., Tokio/Tokyo | Adjustable amplifier for electrical signals |
-
1974
- 1974-10-31 NL NL7414217A patent/NL7414217A/en not_active Application Discontinuation
-
1975
- 1975-10-18 DE DE2546844A patent/DE2546844C2/en not_active Expired
- 1975-10-23 AU AU85943/75A patent/AU500832B2/en not_active Expired
- 1975-10-28 JP JP50128993A patent/JPS5754002B2/ja not_active Expired
- 1975-10-28 GB GB44360/75A patent/GB1485092A/en not_active Expired
- 1975-10-28 DK DK484475A patent/DK484475A/en unknown
- 1975-10-28 CA CA238,478A patent/CA1035018A/en not_active Expired
- 1975-10-28 IT IT69665/75A patent/IT1047244B/en active
- 1975-10-28 SE SE7512014A patent/SE416095B/en unknown
- 1975-10-29 AR AR260999D patent/AR209120A1/en active
- 1975-10-29 BR BR7507059*A patent/BR7507059A/en unknown
- 1975-10-29 BE BE161374A patent/BE835009A/en not_active IP Right Cessation
- 1975-10-30 FR FR7533155A patent/FR2290087A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK484475A (en) | 1976-05-01 |
| FR2290087B1 (en) | 1980-07-18 |
| BR7507059A (en) | 1976-08-03 |
| CA1035018A (en) | 1978-07-18 |
| SE416095B (en) | 1980-11-24 |
| FR2290087A1 (en) | 1976-05-28 |
| JPS5754002B2 (en) | 1982-11-16 |
| DE2546844A1 (en) | 1976-05-06 |
| AU8594375A (en) | 1977-04-28 |
| BE835009A (en) | 1976-04-29 |
| DE2546844C2 (en) | 1981-09-24 |
| GB1485092A (en) | 1977-09-08 |
| NL7414217A (en) | 1976-05-04 |
| IT1047244B (en) | 1980-09-10 |
| AU500832B2 (en) | 1979-05-31 |
| AR209120A1 (en) | 1977-03-31 |
| SE7512014L (en) | 1976-05-03 |