| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/04/1985 | US4521912 Low power indicating circuit for a radio transmitter |
| 06/04/1985 | US4521764 Signal-controllable attenuator employing a digital-to-analog converter |
| 06/04/1985 | US4521738 Gain control circuit |
| 05/28/1985 | US4520507 Low noise CATV converter |
| 05/28/1985 | US4520282 Electronic impedance circuit including a compensation arrangement for d.c. offset |
| 05/28/1985 | CA1187950A1 Monolithic programmable gain-integrator stage |
| 05/21/1985 | US4518927 Signal processing system comprising a signal source, a signal processing unit and connecting cables |
| 05/21/1985 | CA1187567A1 Controlled gain amplifiers |
| 05/15/1985 | EP0141129A2 Method of adapting the sound volume of a loudspeaker in accordance with the ambiant noise level |
| 05/14/1985 | US4517612 Reproducing apparatus with controlled gain output independent of tracking errors |
| 05/14/1985 | US4517534 Circuit detector and noise reduction network with circuit detector |
| 05/14/1985 | US4517526 In a predetection combining system |
| 05/14/1985 | US4517518 Circuit arrangement for reconstructing noise-affected signals |
| 05/08/1985 | EP0140333A2 Sound reproducing system |
| 05/08/1985 | EP0140091A2 Opto-electronic receiver |
| 05/07/1985 | US4516081 Voltage controlled variable gain circuit |
| 05/02/1985 | EP0139470A2 Improvements in or relating to television receivers |
| 05/02/1985 | EP0138956A1 Constant bandwidth automatic gain control system |
| 05/02/1985 | EP0138901A1 Stabilized microwave power amplifier system. |
| 04/30/1985 | US4514703 Automatic level control system |
| 04/30/1985 | US4514702 Logarithmic electronic gain control circuit |
| 04/30/1985 | US4514701 Automatic level control circuit |
| 04/24/1985 | EP0138185A2 Control-current generator for an amplitude-dependent gain control |
| 04/23/1985 | US4513253 Electronic amplifier having a transmission factor that is variable by means of a controllable voltage, specifically an expander |
| 04/23/1985 | US4512350 Time gain control signal generator for an ultrasonic diagnostic system |
| 04/23/1985 | CA1186024A1 Automatic gain control of a single gate gaas fet amplifier |
| 04/16/1985 | US4511854 Automatic linearity correcting circuit |
| 04/10/1985 | EP0136482A2 Noise reduction by linear interpolation using a dual function amplifier circuit |
| 04/09/1985 | US4510624 Noise blanking arrangement to minimize blanker splatter |
| 04/09/1985 | US4510460 Output power control circuit for power amplifier |
| 04/09/1985 | US4510439 Digital circuit multi-test system with automatic setting of test pulse levels |
| 04/09/1985 | CA1185360A1 Noise sensitivity reduction for a tv receiver agc system |
| 04/03/1985 | EP0135759A2 Circuit arrangement for the conversion of an input voltage lying within a predetermined frequency range of operation into a proportional output voltage |
| 04/02/1985 | US4509207 UHF RF Amplifier and AGC system |
| 04/02/1985 | US4509206 Receiver for multicarrier signals protected from unwanted signals |
| 04/02/1985 | US4509205 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit |
| 04/02/1985 | US4509078 Dropout compensation circuit |
| 04/02/1985 | US4509022 Amplifier circuit with automatic gain control and hearing aid equipped with such a circuit |
| 04/02/1985 | US4509021 Circuit for amplifying and/or attenuating a signal |
| 03/27/1985 | EP0135154A2 Apparatus for controlling transmission output power |
| 03/27/1985 | EP0135081A2 Noise reduction by linear interpolation using a dual function amplifier circuit |
| 03/27/1985 | EP0135039A1 Noise reduction by linear interpolation using a single sample-and-hold circuit |
| 03/26/1985 | US4507661 Interfering noise pulse eliminator and its use in a dicke type radiometer circuit |
| 03/20/1985 | EP0134468A2 Receiving amplifier for the amplification of a photo current |
| 03/19/1985 | US4506381 Aural transmitter device |
| 03/19/1985 | US4506169 Peak amplitude detector |
| 03/19/1985 | CA1184304A1 Apparatus for attenuating and/or amplifying a binary- represented signal |
| 03/19/1985 | CA1184262A1 Signal transfer device having a transfer characteristic which is adjustable in steps |
| 03/13/1985 | EP0133991A2 Circuit arrangement for amplifying or attenuating analogous input signals |
| 03/12/1985 | US4504931 Echo-sounding apparatus |
| 03/05/1985 | US4503471 Control arrangement for electronic appliance |
| 03/05/1985 | US4503398 Automatic gain control circuit |
| 03/05/1985 | CA1183581A1 Variable load impedance gain-controlled amplifier |
| 02/26/1985 | US4502021 Constant bandwidth automatic gain control system |
| 02/26/1985 | US4502018 Gain regulation circuit for an amplifier circuit |
| 02/19/1985 | US4500848 Field effect transistor microwave amplifier |
| 02/19/1985 | US4500845 Programmable attenuator |
| 02/19/1985 | CA1182873A1 Two loop automatic level control for power amplifier |
| 02/12/1985 | US4499610 Feedback system with automatic gain control action |
| 02/12/1985 | US4499586 Microprocessor controlled AGC |
| 02/12/1985 | US4499430 Automatic level control circuit |
| 02/12/1985 | US4499429 Variable gain control circuit |
| 02/05/1985 | US4498056 Signal amplifier and integral signal shunt attenuator |
| 02/05/1985 | US4498001 Transimpedance amplifier for optical receivers |
| 02/05/1985 | CA1182181A1 Data muting method and apparatus for radio communications systems |
| 01/30/1985 | EP0132307A2 Receiver having a noise blanker |
| 01/29/1985 | US4496860 Voltage-controlled attenuator |
| 01/29/1985 | CA1181818A1 Noise detector and signal receiver arrangement for a frequency modulated receiver |
| 01/29/1985 | CA1181815A1 Mobile data terminal channel busy arrangement |
| 01/22/1985 | US4495652 Control arrangement for radio apparatus |
| 01/22/1985 | US4495640 Adjustable distortion guitar amplifier |
| 01/22/1985 | US4495428 Circuit arrangement for deriving a level control signal using silicon diodes |
| 01/22/1985 | US4495410 Light receiving automatic gain control circuit |
| 01/17/1985 | WO1985000256A1 Squelch circuit |
| 01/16/1985 | EP0131055A1 Automatic gain control circuit. |
| 01/15/1985 | US4494212 Variable gain amplifier |
| 01/15/1985 | US4494158 Electronic apparatus |
| 01/15/1985 | US4494105 Touch-controlled circuit apparatus for voltage selection |
| 01/15/1985 | US4494076 Signal input circuit with controlled input signal attenuation |
| 01/15/1985 | US4494075 Volume control circuit |
| 01/15/1985 | US4494074 Feedback control |
| 01/09/1985 | EP0130716A2 Signal processing integrated circuit with AD or DA converter |
| 01/08/1985 | US4492930 Automatic gain control system |
| 01/08/1985 | US4492926 Amplitude modulation detector |
| 01/03/1985 | WO1985000082A1 Transmitter with power amplifier control |
| 01/01/1985 | US4491980 Hearing aid coupled with a radio |
| 01/01/1985 | US4491800 Switching circuit operable as an amplifier and a muting circuit |
| 12/27/1984 | CA1180067A Agc controller for pulsed systems |
| 12/27/1984 | CA1180066A Circuit for linearly gain controlling a differential amplifier |
| 12/27/1984 | CA1179949A Apparatus for matching the d.c. volume control characteristics of two audio channels |
| 12/25/1984 | US4490838 Muting circuit for AM stereophonic receiver |
| 12/25/1984 | US4490687 Electronic amplifier |
| 12/19/1984 | EP0128617A1 Squelch circuit for an AM/FM radio receiver |
| 12/18/1984 | US4489281 Automatic gain control amplifier left at an optimum gain after an end of a digital input signal |
| 12/12/1984 | EP0127693A1 Method for the automatic output power control of an amplifier |
| 12/11/1984 | CA1179407A1 Automatic gain control circuit |
| 12/11/1984 | CA1179405A1 Programmable signal amplitude control circuits |
| 12/04/1984 | US4486898 Amplitude limiter for AM broadcast transmitter |
| 11/28/1984 | EP0126427A2 Level detector for use with a differential amplifier circuit |
| 11/28/1984 | EP0126337A2 Switched-capacitor AGC system |