| Patents for H03G 1 - Details of arrangements for controlling amplification (4,021) |
|---|
| 04/22/1993 | DE4134177A1 Tetrode circuit, e.g. for HF power amplifier - comprises two FET(s) forming tetrode with signal input and control input, two potential dividers and third FET for automatic gain control |
| 04/21/1993 | EP0537733A2 Satellite amplifier control device |
| 04/20/1993 | US5204976 Receivers for mobile telephone systems |
| 04/15/1993 | DE4206195C1 AC voltage video signal level measurer - has circuit adding output signals of amplifier and supplying a=d converter assigned to evaluator for control e.g. register |
| 04/06/1993 | US5201068 Radio telecommunications apparatus |
| 04/06/1993 | US5201009 Signal processor |
| 03/30/1993 | US5198780 Adjustable gain differential amplifier |
| 03/09/1993 | US5192919 Transmitter having a temperature adjusted power amplifier |
| 03/02/1993 | US5191338 Wideband transmission-mode FET linearizer |
| 02/24/1993 | EP0528689A2 Detector |
| 02/24/1993 | EP0528413A2 Gain control circuit and semiconductor device |
| 02/03/1993 | EP0526146A1 AC-DC decoupling circuit for audio signals and used in an integrated circuit |
| 02/02/1993 | US5184088 Controlled-gain transistor amplifier without D-C shift or signal phase reversal in load current |
| 01/27/1993 | EP0524772A2 Microwave power amplifiers |
| 01/27/1993 | EP0524294A1 Amplification circuit with exponential gain control. |
| 01/24/1993 | CA2073790A1 Microwave power amplifiers |
| 01/05/1993 | US5177801 Cross fader for editing audio signals |
| 12/29/1992 | US5175508 Voltage-controlled amplifier using operational amplifier |
| 12/10/1992 | DE4210215A1 Low voltage differential amplifier with limited output voltage - has reference voltage comparator for regulation of currents drawn by current mirror transistors in collector circuits |
| 11/25/1992 | EP0514974A1 Controllable amplifier circuit |
| 11/25/1992 | EP0514818A1 Programmable amplifier |
| 11/25/1992 | EP0514655A1 Semiconductor device for TV tuner and TV tuner using the same |
| 11/25/1992 | CA2069123A1 Programmable amplifying device |
| 11/24/1992 | US5166638 Differential amplifier having output stage quickly brought into inactive condition by a control signal |
| 11/24/1992 | US5166637 Distortion cancellation amplifier system |
| 11/24/1992 | US5166559 Servo circuit having variable gain amplifier and temperature compensation characteristics |
| 11/17/1992 | CA1310377C Rf power-control circuit |
| 11/12/1992 | DE4115017A1 Controllable voltage to current converter e.g. for controllable filter - has input stage formed by differential amplifier with fixed steepness or presettable control |
| 11/10/1992 | US5162678 Temperature compensation control circuit for exponential gain function of an agc amplifier |
| 10/20/1992 | US5157350 Electronic gain control system |
| 10/14/1992 | EP0507964A1 Electronic volume device |
| 10/07/1992 | EP0507311A2 High frequency amplifying apparatus |
| 10/06/1992 | US5153528 Gain control type amplifying apparatus |
| 09/30/1992 | EP0506547A1 Device for the automatic control of a signal level |
| 09/29/1992 | US5151669 Dual-gate fet attenuator controlled by a variable load circuit |
| 09/22/1992 | US5150416 Electronic level control circuit for sound signals |
| 09/16/1992 | EP0503154A2 RDS receiver |
| 09/08/1992 | US5146180 Variable gain amplifier |
| 08/26/1992 | EP0499746A1 Instrumentation amplifier with single supply capacity and simplified gain equation |
| 08/26/1992 | CN1018028B Method of and apparatus for determining ac calibration errors |
| 08/25/1992 | US5142236 Switched-capacitor circuit having a full-wave-rectifying and integrating function |
| 08/20/1992 | WO1992014302A1 Amplification circuit with exponential gain control |
| 08/12/1992 | EP0498003A1 Integrated circuit for detecting signals freed of background noise |
| 08/11/1992 | US5138280 Multichannel amplifier with gain matching |
| 06/30/1992 | US5126687 Amplifier system for automatically minimizing distortion |
| 06/17/1992 | EP0490076A1 Gain control circuit in a detection circuit of knocking signals |
| 06/17/1992 | EP0490016A1 Integrated circuit for generating a temperature independent current proportional to the voltage difference between a signal and a reference voltage |
| 06/17/1992 | DE4039983A1 Variable amplifier with base terminals of transistor pair receiving signal to be amplified - couples controlled current sources to processor maintaining constant sum by negative feedback |
| 06/16/1992 | US5122760 Detector for automatic gain control amplifier circuit |
| 06/10/1992 | EP0489645A2 Voice level controller |
| 06/09/1992 | US5121075 Precision programmable attenuator |
| 05/26/1992 | CA1301863C Gain controlled amplifier circuit |
| 05/19/1992 | CA1301301C Borehole imaging apparatus |
| 05/14/1992 | WO1992008281A1 Electronic volume device |
| 05/12/1992 | US5113149 Variable gain amplifier |
| 04/30/1992 | DE4122195A1 Vol. control for audio system - has input signal level adjuster, generating changed signal for operational amplifier |
| 04/21/1992 | US5107224 Wideband single-ended voltage-to-current converter and gain-control circuit |
| 04/16/1992 | WO1992007424A1 Linear gain control amplifier |
| 04/15/1992 | EP0480423A1 Integrated circuit and gate array |
| 03/31/1992 | US5101175 Power control method for a voltage controlled power amplifier and circuitry used in the method |
| 03/31/1992 | CA1298361C Circuit for automatically controlling the gain-bandwidth product of operational amplifiers |
| 03/24/1992 | US5099204 Linear gain control amplifier |
| 03/18/1992 | EP0475066A2 Eeprom analog switch |
| 03/07/1992 | WO1992004771A1 Power amplifier |
| 03/05/1992 | WO1992003874A1 Variable-gain amplifier controlled by an analog signal and having a large dynamic range |
| 03/04/1992 | EP0473370A1 Gain control circuit |
| 02/05/1992 | EP0252089B1 A method of calibrating and equalizing a multi-chanel automatic gain control amplifier |
| 01/28/1992 | CA1294892C Variolosser |
| 01/02/1992 | EP0463792A2 Audio volume control circuit |
| 12/31/1991 | US5077541 Variable-gain amplifier controlled by an analog signal and having a large dynamic range |
| 12/24/1991 | US5075633 Instrumentation amplifier with single supply capacity and simplified gain equation |
| 12/10/1991 | US5072140 Automatic gain control for interferometers and phase sensitive detectors |
| 12/04/1991 | EP0459506A1 Volume limiting circuit |
| 11/27/1991 | EP0250453B1 Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 11/21/1991 | EP0457622A2 Variable gain amplifier |
| 11/21/1991 | EP0457609A2 Detector for automatic gain control amplifier circuit |
| 11/06/1991 | EP0455388A2 Receiver |
| 11/05/1991 | USH995 Preamplifier for laser guided projectile |
| 11/05/1991 | US5063356 Balanced filter circuit having a controllable balanced current multiplier |
| 10/23/1991 | EP0452650A2 Electronic gain cell |
| 10/22/1991 | US5060272 Audio mixing console |
| 10/15/1991 | US5057787 Variable gain differential amplifier |
| 10/15/1991 | US5057716 Linearly compensated slope multiplier |
| 10/09/1991 | EP0449823A1 Improved variolosser |
| 10/01/1991 | US5054077 Fader device |
| 09/26/1991 | DE4008808A1 Setting system for spaced loudspeakers - allows individual adjustment of loudspeaker sound levels to obtain required sound centre |
| 09/17/1991 | US5050214 Remote control circuit |
| 09/17/1991 | CA1289204C Agc circuit |
| 08/28/1991 | EP0443251A2 A low cost digital amplitude regulator |
| 08/28/1991 | EP0443250A2 A general purpose low cost digital amplitude regulator |
| 08/27/1991 | US5043608 Correction circuit |
| 08/13/1991 | US5039952 Electronic gain cell |
| 08/08/1991 | WO1991011855A1 High inpedance optoelectronic receiver |
| 08/08/1991 | DE4101556A1 Hochohmiger optoelektronischer empfaenger High impedance optoelectronic empfaenger |
| 08/06/1991 | US5038113 Nonlinearity generator using FET source-to-drain conductive path |
| 07/23/1991 | US5034701 Amplifier circuit with linearly controlled gain |
| 07/23/1991 | CA1286735C Cascaded internal impedance dependent amplifier with accurate variable gain control |
| 07/09/1991 | US5030924 Temperature compensated exponential gain control circuit |
| 07/09/1991 | US5030923 Variable gain amplifier |
| 07/04/1991 | DE4042047A1 Voltage control amplifier with differential transistor pairs - has emitter magnitude of one transistor pair as multiple of other transistor pair emitter magnitude |