AU500832B2 - Amplifier with gain control - Google Patents
Amplifier with gain controlInfo
- Publication number
- AU500832B2 AU500832B2 AU85943/75A AU8594375A AU500832B2 AU 500832 B2 AU500832 B2 AU 500832B2 AU 85943/75 A AU85943/75 A AU 85943/75A AU 8594375 A AU8594375 A AU 8594375A AU 500832 B2 AU500832 B2 AU 500832B2
- Authority
- AU
- Australia
- Prior art keywords
- amplifier
- gain control
- gain
- control
- 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
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLNL7414217 | 1974-10-31 | ||
NL7414217A NL7414217A (en) | 1974-10-31 | 1974-10-31 | AMPLIFIER WITH SIGNAL LEVEL CONTROL. |
Publications (2)
Publication Number | Publication Date |
---|---|
AU8594375A AU8594375A (en) | 1977-04-28 |
AU500832B2 true AU500832B2 (en) | 1979-05-31 |
Family
ID=19822367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU85943/75A Expired AU500832B2 (en) | 1974-10-31 | 1975-10-23 | Amplifier with gain control |
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 |
KR20050035271A (en) * | 2002-08-12 | 2005-04-15 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 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 GB GB44360/75A patent/GB1485092A/en not_active Expired
- 1975-10-28 JP JP50128993A patent/JPS5754002B2/ja not_active Expired
- 1975-10-28 DK DK484475A patent/DK484475A/en unknown
- 1975-10-28 SE SE7512014A patent/SE416095B/en unknown
- 1975-10-28 IT IT69665/75A patent/IT1047244B/en active
- 1975-10-28 CA CA238,478A patent/CA1035018A/en not_active Expired
- 1975-10-29 BE BE161374A patent/BE835009A/en not_active IP Right Cessation
- 1975-10-29 AR AR260999D patent/AR209120A1/en active
- 1975-10-29 BR BR7507059*A patent/BR7507059A/en unknown
- 1975-10-30 FR FR7533155A patent/FR2290087A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2290087B1 (en) | 1980-07-18 |
NL7414217A (en) | 1976-05-04 |
BE835009A (en) | 1976-04-29 |
DE2546844A1 (en) | 1976-05-06 |
IT1047244B (en) | 1980-09-10 |
DK484475A (en) | 1976-05-01 |
JPS5754002B2 (en) | 1982-11-16 |
JPS5168156A (en) | 1976-06-12 |
FR2290087A1 (en) | 1976-05-28 |
SE7512014L (en) | 1976-05-03 |
BR7507059A (en) | 1976-08-03 |
AU8594375A (en) | 1977-04-28 |
AR209120A1 (en) | 1977-03-31 |
CA1035018A (en) | 1978-07-18 |
GB1485092A (en) | 1977-09-08 |
SE416095B (en) | 1980-11-24 |
DE2546844C2 (en) | 1981-09-24 |
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