Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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05/29/1984 | US4451798 Gain-controlled amplifier |
05/29/1984 | US4451797 AGC Controller for pulsed system |
05/29/1984 | US4451796 Volume control apparatus |
05/29/1984 | US4451795 Circuit arrangement with controllable transfer characteristic at higher frequencies |
05/29/1984 | CA1168320A1 Television intermediate frequency amplifier |
05/22/1984 | US4450573 Bit data operated squelch |
05/22/1984 | US4450413 Automatic signal level control device |
05/15/1984 | US4449120 Method for amplifying multiplexed signals through different gain amplification units for selecting an optimum gain signal and device therefore |
05/15/1984 | US4449104 Circuit for controlling the output level of an electronic device |
05/01/1984 | US4446441 Transient noise free type amplifier circuit |
04/25/1984 | EP0106738A2 AGC method and apparatus |
04/25/1984 | EP0106408A2 Circuit arrangement for sound volume control |
04/17/1984 | US4443770 Automatic level control circuit |
04/17/1984 | CA1165828A1 Circuit arrangement comprising two cross-coupled differential amplifiers |
04/10/1984 | US4442407 Two loop automatic level control for power amplifier |
04/10/1984 | CA1165409A1 Variolosser for an automatic gain control circuit |
04/03/1984 | US4441082 Switched capacitor automatic gain control loop |
04/03/1984 | US4441080 Amplifier with controlled gain |
04/03/1984 | US4441041 Circuit arrangement for generating a direct control voltage which is dependent on an alternating voltage |
04/03/1984 | CA1165004A1 Controllable multiplying circuit including first and second transistors arranged in long-tailed pair configuration having coupled emitter electrodes |
04/03/1984 | CA1164997A1 Television automatic gain-control system |
04/03/1984 | CA1164962A1 Amplifier arrangement whose overall gain is controllable by means of a control voltage |
03/27/1984 | US4439864 Modem circuitry |
03/27/1984 | US4439739 Circuit arrangement with electronically controllable transfer characteristic |
03/27/1984 | CA1164537A2 Gain control systems |
03/21/1984 | EP0103385A2 Circuit arrangement for reconstructing noise-affected signals |
03/21/1984 | EP0102946A1 Gain regulation circuit. |
03/20/1984 | US4438529 TV Tuner circuit |
03/20/1984 | US4438410 Variable gain amplifier |
03/20/1984 | US4438408 Signal attenuating apparatus |
03/20/1984 | US4438354 Monolithic programmable gain-integrator stage |
03/20/1984 | CA1164054A1 Radio transmitter having an output power control circuit |
03/13/1984 | US4437070 Amplifier arrangement whose overall gain is controllable by means of a control voltage |
03/07/1984 | EP0102174A2 Improvements in or relating to transimpedance amplifiers |
03/06/1984 | US4435846 Automatic gain control of a single gate GaAs FET amplifier |
03/06/1984 | US4435844 Remote control circuit |
03/06/1984 | US4435833 Fade control circuit for auxiliary amplifier |
03/06/1984 | US4435684 Video amplifier mute circuit |
03/06/1984 | US4435679 For providing an output signal |
03/06/1984 | US4435656 Phase inverter circuit |
03/06/1984 | CA1163326A1 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit |
02/29/1984 | EP0101469A1 A method and a device for the damping of transients |
02/28/1984 | US4434439 Digital television AGC arrangement |
02/28/1984 | US4434380 Compensation for VCA OP amp errors |
02/28/1984 | US4434325 Volume control for an audio apparatus |
02/21/1984 | US4433304 Automatic noise rejection for use in scanner and the like |
02/21/1984 | US4433254 Level detecting circuit |
02/21/1984 | CA1162484A1 High efficiency, light weight audio amplifier and power supply |
02/15/1984 | EP0100408A2 Device for adjusting control magnitudes |
02/14/1984 | US4431990 Selective call communication receiver |
02/07/1984 | US4430753 Radio receiver |
02/07/1984 | US4430742 Data muting method and apparatus for radio communications systems |
02/07/1984 | US4430627 Amplitude controlled sine wave oscillator |
02/07/1984 | US4430609 Signal transfer device having a transfer characteristic which is adjustable in steps |
02/01/1984 | EP0099760A2 Circuit for reconstructing noise-affected signals |
02/01/1984 | EP0099637A2 Method and system for gain selection |
02/01/1984 | EP0099464A1 High frequency amplifier |
01/31/1984 | US4429285 Frequency-controlled variable-gain amplifiers |
01/31/1984 | US4429279 Variable bandwidth filter |
01/24/1984 | US4427949 Signal intercepting circuit |
01/18/1984 | EP0098670A2 Tuner |
01/17/1984 | US4426735 Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit |
01/17/1984 | US4426625 Circuit for linearly gain controlling a differential amplifier |
01/17/1984 | US4426624 Device and method for amplifying and sampling multiplexed signals |
01/17/1984 | CA1160752A1 Programmable two-quadrant transconductance amplifier |
01/17/1984 | CA1160726A1 Device for amplifying and sampling multiplex signals |
01/17/1984 | CA1160574A1 Device for the processing of voice signals |
01/11/1984 | EP0097999A1 Signal processing system comprising a signal source, a signal processing unit and connecting cables |
01/10/1984 | CA1160360A1 Gain-controlled amplifier using a controllable alternating-current resistance |
01/04/1984 | EP0097264A1 Two-way communication system between an implanted electric stimulator and an external control unit |
01/04/1984 | EP0097201A1 Frequency selective amplifier with gain control |
01/03/1984 | US4424494 Automatic gain control circuit |
01/03/1984 | US4424440 Automatic photocell loading |
01/03/1984 | CA1159945A1 Signal processing equipment for ultrasonic visualisation |
12/28/1983 | EP0096944A1 Circuit with several signal paths formed by active arrangements |
12/27/1983 | CA1159564A1 Digital pseudo continuous tone detector |
12/20/1983 | US4422051 Gain control circuit |
12/20/1983 | US4422049 Gain control circuit |
12/20/1983 | US4422047 Solid state autotune power amplifier |
12/20/1983 | CA1159139A1 Device for amplifying and sampling analog signals |
12/13/1983 | US4420694 Muting circuit |
12/13/1983 | CA1158790A1 Gain control apparatus for digital telephone line circuits |
12/07/1983 | EP0095774A2 A switching circuit operable as an amplifier and a muting circuit |
12/06/1983 | US4419765 Signal absence detector |
12/06/1983 | US4419541 Pulsive noise removing apparatus |
12/06/1983 | CA1158317A1 Strong and weak signal preamplification system |
11/29/1983 | CA1157921A1 Variable-gain amplifier stage equipped with field- effect transistors |
11/23/1983 | EP0094420A1 Data muting method and apparatus for radio communications systems. |
11/22/1983 | US4417165 Muting circuit |
11/22/1983 | CA1157536A1 Gain control systems |
11/15/1983 | US4416024 Distortion reducing circuit in FM receiver |
11/15/1983 | US4416023 Strong and weak signal preamplification system |
11/15/1983 | US4415864 Variable-gain amplifier stage equipped with field-effect transistors |
11/15/1983 | US4415803 Optical receiver with improved dynamic range |
11/15/1983 | CA1157100A1 Digitally controlled wide range automatic gain control |
11/09/1983 | EP0093651A1 Multiple-carrier receiver protected against jamming |
11/08/1983 | US4414689 Squelch circuit |
11/08/1983 | US4414639 Sampling network analyzer with sampling synchronization by means of phase-locked loop |
11/08/1983 | US4414638 Sampling network analyzer with stored correction of gain errors |
11/08/1983 | US4414534 Radio frequency detection circuitry having noise discrimination capability |