BE657857A - - Google Patents
Info
- Publication number
- BE657857A BE657857A BE657857DA BE657857A BE 657857 A BE657857 A BE 657857A BE 657857D A BE657857D A BE 657857DA BE 657857 A BE657857 A BE 657857A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST21523A DE1192703B (de) | 1964-01-04 | 1964-01-04 | Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657857A true BE657857A (pt) | 1965-07-05 |
Family
ID=7459033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657857D BE657857A (pt) | 1964-01-04 | 1965-01-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3310752A (pt) |
| BE (1) | BE657857A (pt) |
| CH (1) | CH425900A (pt) |
| DE (1) | DE1192703B (pt) |
| FR (1) | FR1421779A (pt) |
| GB (1) | GB1070661A (pt) |
| NL (1) | NL147296B (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546591A (en) * | 1967-05-22 | 1970-12-08 | Warwick Electronics Inc | Forward and delayed reverse automatic gain control circuit |
| US4366443A (en) * | 1980-06-26 | 1982-12-28 | Rca Corporation | Television intermediate frequency amplifier |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123777A (en) * | 1964-03-03 | D thomas | ||
| US2490448A (en) * | 1945-11-09 | 1949-12-06 | Amalgamated Wireless Australas | Frequency changer |
| US2912572A (en) * | 1955-09-19 | 1959-11-10 | Hazeltine Research Inc | Automatic-gain-control system utilizing constant current source |
| US3036275A (en) * | 1958-08-26 | 1962-05-22 | Raytheon Co | Gain control circuits |
| AT220676B (de) * | 1959-10-22 | 1962-04-10 | Philips Nv | Regelbare Transistorschaltung |
| US3103636A (en) * | 1961-01-04 | 1963-09-10 | Charles E David | Automatic gain control for transistor amplifier |
| DE1158117B (de) * | 1961-06-14 | 1963-11-28 | Atlas Werke Ag | Verfahren zur Verstaerkungsregelung von Transistorregelstufen |
-
1964
- 1964-01-04 DE DEST21523A patent/DE1192703B/de active Pending
- 1964-12-29 US US421856A patent/US3310752A/en not_active Expired - Lifetime
- 1964-12-31 NL NL646415298A patent/NL147296B/xx unknown
-
1965
- 1965-01-04 GB GB272/65A patent/GB1070661A/en not_active Expired
- 1965-01-04 FR FR731A patent/FR1421779A/fr not_active Expired
- 1965-01-04 BE BE657857D patent/BE657857A/xx unknown
- 1965-01-04 CH CH3365A patent/CH425900A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1192703B (de) | 1965-05-13 |
| NL6415298A (pt) | 1965-07-05 |
| NL147296B (nl) | 1975-09-15 |
| CH425900A (de) | 1966-12-15 |
| US3310752A (en) | 1967-03-21 |
| GB1070661A (en) | 1967-06-01 |
| FR1421779A (fr) | 1965-12-17 |