BE553540A - - Google Patents
Info
- Publication number
- BE553540A BE553540A BE553540DA BE553540A BE 553540 A BE553540 A BE 553540A BE 553540D A BE553540D A BE 553540DA BE 553540 A BE553540 A BE 553540A
- 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
-
- 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
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US558355A US3014186A (en) | 1956-01-10 | 1956-01-10 | Tuned transistor amplifier with frequency and bandwidth stabilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE553540A true BE553540A (cs) |
Family
ID=24229225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE553540D BE553540A (cs) | 1956-01-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3014186A (cs) |
| BE (1) | BE553540A (cs) |
| CH (1) | CH347549A (cs) |
| DE (1) | DE1033262B (cs) |
| FR (1) | FR1164111A (cs) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1204286B (de) * | 1961-03-23 | 1965-11-04 | Telefunken Patent | Selektiver regelbarer Transistorverstaerker |
| US3272915A (en) * | 1962-04-02 | 1966-09-13 | Rca Corp | Color television receiver including transistorized color killer |
| DE1190048B (de) * | 1963-09-04 | 1965-04-01 | Siemens Ag | Schaltungsanordnung mit wenigstens einer in ihrer Verstaerkung regelbaren, selektiven Verstaerkerstufe |
| US3309617A (en) * | 1964-05-04 | 1967-03-14 | Philco Ford Corp | Controllable gain transistor amplifier utilizing current-variable impedance in emitter circuit for providing controllable signal degeneration |
| US3315175A (en) * | 1964-07-24 | 1967-04-18 | Jr Samuel G Shepherd | Compensated degenerative gain control for transistor amplifiers |
| DE1278524B (de) * | 1965-04-09 | 1968-09-26 | Standard Elektrik Lorenz Ag | Regelbare Transistorstufe zur Leistungsverstaerkung von Signalen |
| US3408587A (en) * | 1966-08-15 | 1968-10-29 | Philco Ford Corp | Variable gain amplifier |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB414187A (en) * | 1933-04-10 | 1934-08-02 | Emi Ltd | Improvements in and relating to wireless and like receivers |
| US2167400A (en) * | 1937-01-21 | 1939-07-25 | Hazeltine Corp | Variable selectivity radio receiver |
| US2273639A (en) * | 1938-10-25 | 1942-02-17 | Rca Corp | Selectivity control circuit |
| BE469045A (cs) * | 1943-01-22 | |||
| US2676214A (en) * | 1950-03-08 | 1954-04-20 | Hartford Nat Bank & Trust Co | Pulse amplifier |
| US2750452A (en) * | 1951-03-21 | 1956-06-12 | Rca Corp | Selectivity control circuit |
| NL162607B (nl) * | 1951-06-27 | Inventio Ag | Schakelinrichting voor het besturen en bewaken van een paternosterlift voor transportbakken. | |
| US2757243A (en) * | 1951-09-17 | 1956-07-31 | Bell Telephone Labor Inc | Transistor circuits |
| US2774866A (en) * | 1956-01-30 | 1956-12-18 | Emerson Radio & Phonograph Cor | Automatic gain and band width control for transistor circuits |
-
0
- BE BE553540D patent/BE553540A/xx unknown
-
1956
- 1956-01-10 US US558355A patent/US3014186A/en not_active Expired - Lifetime
- 1956-12-26 CH CH347549D patent/CH347549A/de unknown
-
1957
- 1957-01-08 DE DET13074A patent/DE1033262B/de active Pending
- 1957-01-09 FR FR1164111D patent/FR1164111A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH347549A (de) | 1960-07-15 |
| FR1164111A (fr) | 1958-10-06 |
| DE1033262B (de) | 1958-07-03 |
| US3014186A (en) | 1961-12-19 |