SE357476B - - Google Patents
Info
- Publication number
- SE357476B SE357476B SE00060/69A SE6069A SE357476B SE 357476 B SE357476 B SE 357476B SE 00060/69 A SE00060/69 A SE 00060/69A SE 6069 A SE6069 A SE 6069A SE 357476 B SE357476 B SE 357476B
- Authority
- SE
- Sweden
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69850568A | 1968-01-17 | 1968-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE357476B true SE357476B (es) | 1973-06-25 |
Family
ID=24805551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE00060/69A SE357476B (es) | 1968-01-17 | 1969-01-03 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3538448A (es) |
| AT (1) | AT311422B (es) |
| BE (1) | BE726807A (es) |
| ES (1) | ES362530A1 (es) |
| FR (1) | FR1600317A (es) |
| GB (1) | GB1249222A (es) |
| NL (1) | NL6900710A (es) |
| SE (1) | SE357476B (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3641449A (en) * | 1969-09-29 | 1972-02-08 | Raytheon Co | Variable impedance semiconductor network |
| US3731215A (en) * | 1971-08-06 | 1973-05-01 | Gen Electric | Amplifier of controllable gain |
| JPS5710604B2 (es) * | 1972-11-09 | 1982-02-27 | ||
| JPS5329082Y2 (es) * | 1973-08-08 | 1978-07-21 | ||
| US3962650A (en) * | 1973-11-21 | 1976-06-08 | Motorola, Inc. | Integrated circuit amplifier having controlled gain and stable quiescent output voltage level |
| US4132963A (en) * | 1977-11-14 | 1979-01-02 | National Semiconductor Corporation | Gain controlled signal amplifier |
| US4275362A (en) * | 1979-03-16 | 1981-06-23 | Rca Corporation | Gain controlled amplifier using a pin diode |
| FR2823031B1 (fr) * | 2001-03-27 | 2003-07-04 | St Microelectronics Sa | Dispositif amplificateur a commutation de gain, en particulier pour un telephone mobile cellulaire |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002090A (en) * | 1958-08-27 | 1961-09-26 | Hazeltine Research Inc | Automatic-gain-control system |
| GB888995A (en) * | 1959-05-11 | 1962-02-07 | English Electric Co Ltd | Improvements in and relating to variable-gain electric signal amplifiers |
| US3447094A (en) * | 1967-03-24 | 1969-05-27 | Philco Ford Corp | Ultralinear gain controllable amplifier |
| US3449686A (en) * | 1967-05-29 | 1969-06-10 | Us Navy | Variable gain amplifier |
-
1968
- 1968-01-17 US US698505A patent/US3538448A/en not_active Expired - Lifetime
- 1968-12-31 FR FR1600317D patent/FR1600317A/fr not_active Expired
-
1969
- 1969-01-03 SE SE00060/69A patent/SE357476B/xx unknown
- 1969-01-13 BE BE726807A patent/BE726807A/fr unknown
- 1969-01-14 GB GB2072/69A patent/GB1249222A/en not_active Expired
- 1969-01-15 ES ES362530A patent/ES362530A1/es not_active Expired
- 1969-01-16 NL NL6900710A patent/NL6900710A/xx unknown
- 1969-01-17 AT AT47969A patent/AT311422B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT311422B (de) | 1973-11-12 |
| DE1902126B2 (de) | 1972-08-17 |
| FR1600317A (es) | 1970-07-20 |
| DE1902126A1 (de) | 1969-09-04 |
| BE726807A (fr) | 1969-06-16 |
| ES362530A1 (es) | 1970-09-01 |
| NL6900710A (es) | 1969-07-21 |
| US3538448A (en) | 1970-11-03 |
| GB1249222A (en) | 1971-10-13 |