ES421388A1 - Perfeccionamientos introducidos en un circuito de control de ganancia. - Google Patents
Perfeccionamientos introducidos en un circuito de control de ganancia.Info
- Publication number
- ES421388A1 ES421388A1 ES421388A ES421388A ES421388A1 ES 421388 A1 ES421388 A1 ES 421388A1 ES 421388 A ES421388 A ES 421388A ES 421388 A ES421388 A ES 421388A ES 421388 A1 ES421388 A1 ES 421388A1
- Authority
- ES
- Spain
- Prior art keywords
- gain control
- controlled
- control circuit
- circuit
- signal current
- 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
- 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
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12487472A JPS5315638B2 (US20030199744A1-20031023-C00003.png) | 1972-12-13 | 1972-12-13 | |
| JP12487572A JPS5330301B2 (US20030199744A1-20031023-C00003.png) | 1972-12-13 | 1972-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES421388A1 true ES421388A1 (es) | 1976-06-16 |
Family
ID=26461441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES421388A Expired ES421388A1 (es) | 1972-12-13 | 1973-12-12 | Perfeccionamientos introducidos en un circuito de control de ganancia. |
Country Status (11)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4344043A (en) * | 1980-04-23 | 1982-08-10 | Rca Corporation | Variable load impedance gain-controlled amplifier |
| JPS5755377U (US20030199744A1-20031023-C00003.png) * | 1980-09-17 | 1982-03-31 | ||
| DE3687494T3 (de) * | 1985-08-28 | 1998-06-10 | Toshiba Kawasaki Kk | Signalverarbeitungsanordnung mit einem Feldeffekttransistor und bipolaren Transistoren. |
| JP6739372B2 (ja) | 2017-02-21 | 2020-08-12 | 株式会社東芝 | 半導体装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3003115A (en) * | 1958-11-03 | 1961-10-03 | Westinghouse Electric Corp | Automatic gain control delay system |
| BE625672A (US20030199744A1-20031023-C00003.png) * | 1961-12-06 | |||
| US3274505A (en) * | 1964-02-28 | 1966-09-20 | Tektronix Inc | Series transistor circuit with selectively coupled stages |
| US3482167A (en) * | 1967-06-12 | 1969-12-02 | Rca Corp | Automatic gain control system employing multiple insulated gate field effect transistor |
| US3551834A (en) * | 1968-05-15 | 1970-12-29 | Hitachi Ltd | Automatic gain controlling circuit |
| US3723895A (en) * | 1971-11-10 | 1973-03-27 | Gen Electric | Amplifier of controllable gain |
| JPS501857A (US20030199744A1-20031023-C00003.png) * | 1973-05-09 | 1975-01-09 |
-
1972
- 1972-12-13 JP JP12487472A patent/JPS5315638B2/ja not_active Expired
- 1972-12-13 JP JP12487572A patent/JPS5330301B2/ja not_active Expired
-
1973
- 1973-12-12 AU AU63517/73A patent/AU473385B2/en not_active Expired
- 1973-12-12 DE DE2361809A patent/DE2361809C3/de not_active Expired
- 1973-12-12 BR BR9739/73A patent/BR7309739D0/pt unknown
- 1973-12-12 GB GB5762373A patent/GB1459773A/en not_active Expired
- 1973-12-12 ES ES421388A patent/ES421388A1/es not_active Expired
- 1973-12-12 CA CA188,027A patent/CA997433A/en not_active Expired
- 1973-12-13 FR FR7344646A patent/FR2327674A1/fr active Granted
- 1973-12-13 NL NLAANVRAGE7317131,A patent/NL176821C/xx not_active IP Right Cessation
- 1973-12-13 SE SE7316882A patent/SE403546B/xx unknown
- 1973-12-13 US US424307A patent/US3882410A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL7317131A (US20030199744A1-20031023-C00003.png) | 1974-06-17 |
| JPS4983351A (US20030199744A1-20031023-C00003.png) | 1974-08-10 |
| JPS4983352A (US20030199744A1-20031023-C00003.png) | 1974-08-10 |
| BR7309739D0 (pt) | 1974-08-29 |
| SE403546B (sv) | 1978-08-21 |
| NL176821B (nl) | 1985-01-02 |
| US3882410A (en) | 1975-05-06 |
| GB1459773A (en) | 1976-12-31 |
| FR2327674B1 (US20030199744A1-20031023-C00003.png) | 1978-03-17 |
| DE2361809A1 (de) | 1974-07-11 |
| DE2361809C3 (de) | 1980-11-20 |
| JPS5330301B2 (US20030199744A1-20031023-C00003.png) | 1978-08-25 |
| DE2361809B2 (de) | 1980-03-13 |
| FR2327674A1 (fr) | 1977-05-06 |
| AU6351773A (en) | 1975-06-12 |
| NL176821C (nl) | 1985-06-03 |
| CA997433A (en) | 1976-09-21 |
| JPS5315638B2 (US20030199744A1-20031023-C00003.png) | 1978-05-26 |
| AU473385B2 (en) | 1976-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19840204 |