Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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04/18/1995 | US5408698 Radio tele-communication device having function of variably controlling received signal level |
04/18/1995 | US5408694 Receiver squelch circuit with adjustable threshold |
04/18/1995 | US5408693 Muting of radio-transmitter digital audio based on received signal strength |
04/18/1995 | US5408685 Multipath detector using phase comparison of stereo pilot signal |
04/18/1995 | US5408460 Device for processing signals in the form of packets |
04/18/1995 | US5408205 Ultrahigh accuracy digital programmable attenuator |
04/18/1995 | US5408199 Gain control amplifier having reduced feedback resistance |
04/18/1995 | US5408197 Automatic power control circuit for controlling transmitting power of modulated radio frequency signal |
04/13/1995 | WO1995010096A1 Transponder with automatic gain control |
04/12/1995 | EP0648012A1 Power control for cartesian amplifiers |
04/11/1995 | US5406636 Signal processing device |
04/11/1995 | US5406227 Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter |
04/06/1995 | WO1995009494A1 Multiple antenna home base for digital cordless telephones |
04/05/1995 | EP0646394A1 Striding exerciser with upwardly curved tracks |
04/04/1995 | US5404586 Transmitter having automatic power controller |
04/04/1995 | US5404058 Level detecting circuit |
04/04/1995 | US5404050 Single-to-differential converter |
03/31/1995 | WO1995009489A1 Method and apparatus for stabilizing the gain of a control loop in a communication device |
03/30/1995 | WO1995008866A1 Method and arrangement for controlling the operation of a high-frequency power amplifier |
03/29/1995 | EP0645899A2 Mobile communication apparatus with linear power control over wide dynamic range |
03/29/1995 | EP0645063A1 Receiver automatic gain control |
03/28/1995 | US5402500 Adaptive proportional gain audio mixing system |
03/28/1995 | US5402499 Multimedia controller |
03/28/1995 | US5402017 Controllable circuit configuration for compensating fluctuations in an amplifier |
03/22/1995 | EP0644606A1 Portable radio communication device and loaded antenna therefor |
03/21/1995 | US5400411 Volume/balance control apparatus |
03/21/1995 | US5399990 Differential amplifier circuit having reduced power supply voltage |
03/16/1995 | WO1995007574A1 Amplifier stage with a db-linear output voltage |
03/16/1995 | WO1995007573A1 Method and arrangement for controlling the operation of a high-frequency power amplifier |
03/16/1995 | DE4330549A1 Automatic gain (fading) control loop for a radiofrequency receiver |
03/15/1995 | EP0643480A1 Impulse noise suppression circuit for a multiplex signal |
03/14/1995 | US5398287 Voice activated multiple microphone electroacoustic amplifier system |
03/14/1995 | US5397978 Current limit circuit for IGBT spark drive applications |
03/08/1995 | EP0642247A2 Loudspeaking device for telephone sets |
03/08/1995 | CN1099918A Arrangement for duplex transmission |
03/08/1995 | CN1027849C Reduce noise interference during handoff |
03/08/1995 | CN1027848C Power amplifier ramp up method and apparatus |
03/07/1995 | US5396652 Transmitting power control unit having a constant output level throughout a predetermined frequency band |
03/07/1995 | US5396192 Radio frequency amplifier |
03/07/1995 | CA2049101C Variable gain amplifier automatic gain control method and device and their application to a tuner gain control, for a videocommunication network especially |
03/07/1995 | CA1334682C Noise blanker with continuous wave interference compensation |
03/02/1995 | WO1995006354A1 Radio transmitter with power amplifier linearizer |
03/01/1995 | EP0659288A4 Low cost controller. |
03/01/1995 | EP0641070A1 Method and circuit for the adjustment of the level of sound sources in accordance with the ambient noise level |
03/01/1995 | EP0640974A2 Reference voltage generation circuit |
03/01/1995 | EP0640257A1 Photodiode preamplifier with programmable gain amplification |
03/01/1995 | CN1027781C Audio levet equalization of broadcast FM and narrow frequency deviation FM radio signals |
02/28/1995 | US5394476 Volume control device |
02/28/1995 | US5394474 Echo attaching circuit and audio device using the same |
02/28/1995 | US5394472 Monaural to stereo sound translation process and apparatus |
02/28/1995 | US5394194 Gain control circuit and gradation correcting apparatus |
02/28/1995 | US5394080 Universal signal converter using multiple current mirrors |
02/23/1995 | WO1995005724A1 Spatial sound reproduction system |
02/23/1995 | DE4327541A1 Verfahren zur automatischen Verstärkungsregelung in einem Empfänger A method for automatic gain control in a receiver |
02/22/1995 | EP0639890A1 Directional detector for power level control |
02/22/1995 | EP0331715B1 Automatic gain control system |
02/22/1995 | CN1099207A An agc circuit for burst signal |
02/21/1995 | US5392464 In a data transmission system |
02/16/1995 | WO1995005029A1 Method and apparatus for controlling a peak envelope power of a pa |
02/15/1995 | EP0638998A1 Fast-acting automatic gain control arrangement |
02/15/1995 | EP0638997A1 Servo circuit |
02/15/1995 | EP0638994A1 Transmitter and power amplifier therefor |
02/15/1995 | EP0313650B1 Microwave absorber attenuator for linear sspa power control |
02/14/1995 | US5390361 Method and a device for controlling a radio transmitter |
02/14/1995 | US5390345 Method for preventing desensitization and radio interference of radio receivers |
02/14/1995 | US5390053 Circuit for controlling the overall upper cutoff frequency of an amplifier stage |
02/14/1995 | US5389896 HBT monolithic variable gain amplifier with bias compensation and buffering |
02/14/1995 | US5389860 Focus control circuit for CRT |
02/14/1995 | CA2048234C Audio dosage control system |
02/12/1995 | CA2129567A1 Fast-acting automatic gain control arrangement |
02/09/1995 | DE4326097A1 Circuit arrangement for short-term muting of playback in a broadcast receiver |
02/08/1995 | CN1098574A Communication apparatus utilizing high power amplifier |
02/08/1995 | CN1098539A Sound system gain and equalization circuit |
02/07/1995 | US5387879 Gain controllable output buffer amplifier circuit having a reduced circuit area |
02/07/1995 | US5387877 Voltage controlled attenuator for speakerphones |
02/07/1995 | US5387875 For generating a pulse form drive signal |
02/01/1995 | EP0637130A2 Receiver and method of receiving |
02/01/1995 | EP0637129A2 Automatic amplitude control for a broad band transmitter |
01/31/1995 | US5386478 Sound system remote control with acoustic sensor |
01/31/1995 | US5386109 Pre-amplifier for optical receiving and optical receiver using the same |
01/30/1995 | CA2114341A1 Receiver with an agc circuit capable of expanding a dynamic range |
01/26/1995 | WO1995002923A1 Method and apparatus for calibrating a gain control circuit |
01/26/1995 | CA2167060A1 Method and apparatus for calibrating a gain control circuit |
01/25/1995 | EP0635937A1 Circuit for controlling the overall upper cutoff frequency of an amplifier stage |
01/25/1995 | EP0635936A2 Communication system using time-multiplex signals |
01/25/1995 | EP0635935A1 Booster and burst transmission apparatus using the same |
01/25/1995 | EP0513241B1 Sigma delta modulator |
01/24/1995 | US5384547 Apparatus and method for attenuating a multicarrier input signal of a linear device |
01/19/1995 | WO1995002278A1 Automatic transimpedance control amplifier |
01/18/1995 | CN1097531A Communications receiver with an adaptive squelch system |
01/18/1995 | CN1097530A RF amplifier with signal-level control, and radio transmitter equipped therewith |
01/17/1995 | US5382920 Circuit arrangement for an optical receiver |
01/17/1995 | US5382786 Integrated photodetector with moving destination circuit |
01/17/1995 | CA2024594C Transmission power control circuit |
01/12/1995 | WO1995001676A1 Radio frequency amplifier with variable gain control |
01/12/1995 | DE4323014A1 Active receiving antenna having an active signal path and a passive signal path |
01/11/1995 | EP0633658A2 Voice activated transmission coupled AGC circuit |
01/11/1995 | EP0632941A1 Optical receiver |
01/10/1995 | US5381148 Method and apparatus for calibrating a gain control circuit |
01/10/1995 | US5381115 Method and apparatus for regulating output power of signal amplifier |