SE346884B - - Google Patents
Info
- Publication number
- SE346884B SE346884B SE08244/67A SE824467A SE346884B SE 346884 B SE346884 B SE 346884B SE 08244/67 A SE08244/67 A SE 08244/67A SE 824467 A SE824467 A SE 824467A SE 346884 B SE346884 B SE 346884B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- 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
- H03G1/0029—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 using FETs
-
- 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
- H03G3/3063—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 transistor as controlling device, the transistor being used as a variable impedance device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US557313A US3388338A (en) | 1966-06-13 | 1966-06-13 | Gain controlled amplifier using field effect type transistor as the active element thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE346884B true SE346884B (de) | 1972-07-17 |
Family
ID=24224903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE08244/67A SE346884B (de) | 1966-06-13 | 1967-06-12 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3388338A (de) |
| AT (1) | AT278097B (de) |
| BE (1) | BE699811A (de) |
| DE (2) | DE1591406C3 (de) |
| ES (1) | ES341641A1 (de) |
| GB (1) | GB1181124A (de) |
| NL (1) | NL6708142A (de) |
| SE (1) | SE346884B (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449564A (en) * | 1966-12-09 | 1969-06-10 | Nat Res Corp | Mass spectrometer leak detector circuit means employing an insulated gate field effect transistor |
| US3544901A (en) * | 1967-12-22 | 1970-12-01 | Gen Motors Corp | Radio volume and tone controls using field effect transistors |
| US3731216A (en) * | 1968-05-31 | 1973-05-01 | Sony Corp | Automatic gain control circuit |
| ES372211A1 (es) * | 1968-10-11 | 1972-02-16 | Rca Corp | Un amplificador de banda ancha. |
| US3514710A (en) * | 1968-11-04 | 1970-05-26 | Avco Corp | Signal amplifier with direct current energy supply and dynamic range controlled in accordance with composite input signal level |
| US3656065A (en) * | 1970-06-12 | 1972-04-11 | Beckman Instruments Inc | Bio-potential isolated amplifier |
| DE2833266A1 (de) * | 1977-08-01 | 1979-03-01 | Pioneer Electronic Corp | Automatische verstaerkungssteuerschaltung |
| DE2808745C2 (de) * | 1978-03-01 | 1983-10-06 | Vereinigte Glaswerke Gmbh, 5100 Aachen | Aktive Scheibenantenne für Kraftfahrzeuge mit einer breitbandigen HF-Verstärkerschaltung |
| JPS5648117U (de) * | 1979-09-20 | 1981-04-28 | ||
| JPS6143301Y2 (de) * | 1980-12-24 | 1986-12-08 | ||
| US4554678A (en) * | 1982-12-13 | 1985-11-19 | Honeywell Inc. | Wireless receiver having crystal filter at outputs of preamplifier |
| GB2148636A (en) * | 1983-09-15 | 1985-05-30 | Sinclair Res Ltd | Improvements in or relating to television receivers |
| DE3814041A1 (de) * | 1988-04-26 | 1989-11-09 | Standard Elektrik Lorenz Ag | Steuerbarer wechselspannungsverstaerker |
| US6160452A (en) | 1998-07-23 | 2000-12-12 | Adc Telecommunications, Inc. | Circuits and methods for a monitoring circuit in a network amplifier |
| US6836184B1 (en) | 1999-07-02 | 2004-12-28 | Adc Telecommunications, Inc. | Network amplifier with microprocessor control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3036275A (en) * | 1958-08-26 | 1962-05-22 | Raytheon Co | Gain control circuits |
-
0
- DE DENDAT1591506 patent/DE1591506A1/de active Pending
-
1966
- 1966-06-13 US US557313A patent/US3388338A/en not_active Expired - Lifetime
-
1967
- 1967-05-31 AT AT506367A patent/AT278097B/de not_active IP Right Cessation
- 1967-06-01 GB GB25458/67A patent/GB1181124A/en not_active Expired
- 1967-06-02 DE DE1591406A patent/DE1591406C3/de not_active Expired
- 1967-06-10 ES ES341641A patent/ES341641A1/es not_active Expired
- 1967-06-12 NL NL6708142A patent/NL6708142A/xx unknown
- 1967-06-12 BE BE699811D patent/BE699811A/xx not_active Expired
- 1967-06-12 SE SE08244/67A patent/SE346884B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6708142A (de) | 1967-12-14 |
| ES341641A1 (es) | 1968-07-16 |
| AT278097B (de) | 1970-01-26 |
| US3388338A (en) | 1968-06-11 |
| DE1591406A1 (de) | 1970-04-30 |
| GB1181124A (en) | 1970-02-11 |
| BE699811A (de) | 1967-11-16 |
| DE1591406C3 (de) | 1975-10-02 |
| DE1591406B2 (de) | 1975-02-20 |
| DE1591506A1 (de) |