BE551962A - - Google Patents
Info
- Publication number
- BE551962A BE551962A BE551962DA BE551962A BE 551962 A BE551962 A BE 551962A BE 551962D A BE551962D A BE 551962DA BE 551962 A BE551962 A BE 551962A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
- H03G3/3057—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 using at least one diode as controlling device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US541953A US2981835A (en) | 1955-10-21 | 1955-10-21 | Automatic gain control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE551962A true BE551962A (xx) |
Family
ID=24161755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE551962D BE551962A (xx) | 1955-10-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2981835A (xx) |
| BE (1) | BE551962A (xx) |
| CH (1) | CH341869A (xx) |
| FR (1) | FR1161240A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1145236B (de) * | 1958-12-15 | 1963-03-14 | Telefunken Patent | Schaltungsanordnung zur selbsttaetigen Verstaerkungsregelung von Hoch- oder Zwischenfrequenzverstaerkern mit Transistoren oberhalb eines Schwellenwertes |
| US3234480A (en) * | 1960-11-10 | 1966-02-08 | Maeda Hisao | Shielded superwide-band high-frequency transistor amplifier |
| US3199029A (en) * | 1961-05-03 | 1965-08-03 | Bendix Corp | Automatic gain control system |
| US3277388A (en) * | 1964-03-27 | 1966-10-04 | Joseph J Boyajian | Signal attenuation network |
| US4313218A (en) * | 1980-08-08 | 1982-01-26 | Motorola, Inc. | Extended AGC for a radio receiver |
| AT375505B (de) * | 1982-07-08 | 1984-08-10 | Philips Nv | Tuner |
| US7332964B2 (en) * | 2006-06-20 | 2008-02-19 | Intel Corporation | Gain-step transconductor |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2012433A (en) * | 1929-08-07 | 1935-08-27 | Rca Corp | Apparatus for controlling the intensity of electrical oscillations |
| GB413383A (en) * | 1933-01-25 | 1934-07-19 | Leonard Ernest Ryall | Variable attenuation networks capable of providing automatic volume control of alternating signal currents |
| GB414187A (en) * | 1933-04-10 | 1934-08-02 | Emi Ltd | Improvements in and relating to wireless and like receivers |
| US2159803A (en) * | 1936-03-12 | 1939-05-23 | Telefunken Gmbh | Automatic volume control receiver |
| US2395770A (en) * | 1944-07-19 | 1946-02-26 | Rca Corp | Automatic gain control circuit |
| US2605399A (en) * | 1945-09-27 | 1952-07-29 | Robert V Pound | Ultrahigh frequency mixer |
| US2570893A (en) * | 1947-12-18 | 1951-10-09 | Wilkes Gilbert | Electronic attenuator for radar |
| US2581202A (en) * | 1949-11-25 | 1952-01-01 | Rca Corp | Multistage variable-saturation tuning system and apparatus |
| BE504945A (xx) * | 1950-08-03 | |||
| US2858423A (en) * | 1953-12-29 | 1958-10-28 | Gen Electric | Feedback circuit for semiconductor amplifiers |
| US2789164A (en) * | 1954-03-01 | 1957-04-16 | Rca Corp | Semi-conductor signal amplifier circuit |
| US2774866A (en) * | 1956-01-30 | 1956-12-18 | Emerson Radio & Phonograph Cor | Automatic gain and band width control for transistor circuits |
-
0
- BE BE551962D patent/BE551962A/xx unknown
-
1955
- 1955-10-21 US US541953A patent/US2981835A/en not_active Expired - Lifetime
-
1956
- 1956-10-05 CH CH341869D patent/CH341869A/fr unknown
- 1956-10-19 FR FR1161240D patent/FR1161240A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2981835A (en) | 1961-04-25 |
| FR1161240A (fr) | 1958-08-25 |
| CH341869A (fr) | 1959-10-31 |