OA01954A - Improvement in automatic gain control devices of a transistor amplifier. - Google Patents
Improvement in automatic gain control devices of a transistor amplifier.Info
- Publication number
- OA01954A OA01954A OA52434A OA52434A OA01954A OA 01954 A OA01954 A OA 01954A OA 52434 A OA52434 A OA 52434A OA 52434 A OA52434 A OA 52434A OA 01954 A OA01954 A OA 01954A
- Authority
- OA
- OAPI
- Prior art keywords
- improvement
- control devices
- gain control
- automatic gain
- transistor amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
-
- 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
- H03G1/0047—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using photo-electric elements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR17891A FR1444236A (en) | 1965-05-21 | 1965-05-21 | Improvements to automatic gain control devices of a transistor amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA01954A true OA01954A (en) | 1970-02-04 |
Family
ID=9696149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA52434A OA01954A (en) | 1965-05-21 | 1966-05-03 | Improvement in automatic gain control devices of a transistor amplifier. |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE1487256B2 (en) |
| ES (1) | ES326941A1 (en) |
| FR (1) | FR1444236A (en) |
| GB (1) | GB1126958A (en) |
| OA (1) | OA01954A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3937054C1 (en) * | 1989-11-07 | 1991-05-29 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | Variable HF amplifier with negative feedback - comprises two emitter stages with feedback from second to first via variable resistor |
-
1965
- 1965-05-21 FR FR17891A patent/FR1444236A/en not_active Expired
-
1966
- 1966-05-03 OA OA52434A patent/OA01954A/en unknown
- 1966-05-20 GB GB22584/66A patent/GB1126958A/en not_active Expired
- 1966-05-20 DE DE1966C0039127 patent/DE1487256B2/en active Pending
- 1966-05-20 ES ES0326941A patent/ES326941A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1444236A (en) | 1966-07-01 |
| DE1487256A1 (en) | 1969-04-30 |
| DE1487256B2 (en) | 1971-08-12 |
| GB1126958A (en) | 1968-09-11 |
| ES326941A1 (en) | 1967-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1491931A (en) | Transistor amplifier | |
| FR1504116A (en) | Stable gain transistor amplifier | |
| FR1387596A (en) | Gain Controlled Transistor Amplifier | |
| FR1462814A (en) | Transistor amplifier | |
| FR1453554A (en) | Transistor amplifier | |
| OA01954A (en) | Improvement in automatic gain control devices of a transistor amplifier. | |
| FR1479848A (en) | Transistor deflection circuit control assembly | |
| FR1397981A (en) | Automatic gain control for transistor stages | |
| FR1415156A (en) | Improvements to automatic gain control devices | |
| FR1462854A (en) | Transistor amplifiers | |
| FR1372187A (en) | Gate valve control device | |
| FR1398278A (en) | Device for automatic gain adjustment of transistor amplifiers mounted in a casing | |
| FR1458767A (en) | Hydraulic amplifier position control device | |
| CA709048A (en) | Automatic gain control of a transistor amplifier | |
| FR1433856A (en) | Enhancements to automatic gain control devices | |
| FR1272290A (en) | Automatic gain regulation device in a transistor amplifier | |
| FR1506276A (en) | Device for automatic binary gain control of an amplifier | |
| FR1414991A (en) | Amplifier with automatic gain control | |
| FR1274036A (en) | Automatic gain regulation device for transistor amplifier | |
| OA00463A (en) | Adjustment of the gain of a transistor amplifier. | |
| FR1397420A (en) | Amplifier circuit with automatic gain control for transistron amplifiers | |
| AU401299B2 (en) | Transistor amplifier control circuit | |
| FR1526677A (en) | Gain control amplifier | |
| FR1439670A (en) | Transistor amplifier | |
| FR1366980A (en) | Transistor control amplifier, in particular for application to drive controls for self-adjusting clocks |