| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 06/05/1997 | WO1997020386A1 Radio receiver with a potentiometer as volume regulator |
| 06/05/1997 | DE19544657A1 Rundfunkempfänger mit einem Potentiometer als Lautstärkerregler Broadcast radio receiver having a potentiometer as a volume control |
| 06/05/1997 | DE19544438A1 Schaltungsanordnung zum kurzzeitigen Stummschalten der Wiedergabe eines NF-Signals in einem Rundfunkempfänger Circuit arrangement for momentarily muting the reproduction of an AF signal in a radio receiver |
| 06/04/1997 | EP0777335A2 Satellite broadcast tuner capable of processing both QPSK modulation signal and FM signal |
| 06/04/1997 | EP0777334A2 Radio receiving apparatus having current consumption reducing function |
| 06/04/1997 | EP0777324A2 Automatic gain control |
| 06/04/1997 | EP0776548A1 Linear-in-decibel variable gain amplifier |
| 06/04/1997 | CN1151062A Electronic sound source having reduced spurious sounding |
| 06/03/1997 | US5636191 Positioning control system utilizing optical beam having servo-error signal generating circuit |
| 06/03/1997 | US5636048 Equalizing amplifier, receiver using the same and preamplifier |
| 06/03/1997 | US5635872 Variable control of electronic power supplies |
| 05/29/1997 | WO1997019515A1 Radio channel squelching systems |
| 05/29/1997 | CA2238191A1 Radio channel squelching systems |
| 05/27/1997 | US5633940 Audio amplifier arrangement |
| 05/22/1997 | WO1997018627A1 Variable control of electronic power supplies |
| 05/21/1997 | EP0774834A1 Variable gain amplification circuitry |
| 05/21/1997 | EP0651925A4 Frequency hopping time-diversity communications systems and transceivers for local area networks. |
| 05/21/1997 | CN1150358A Automatic gain control circuit for satellite communication transmitters |
| 05/20/1997 | US5631930 Radio transmission output control circuit for TDMA communication |
| 05/20/1997 | US5631714 Apparatus for automatically adapting the mean sound level of a television receiver |
| 05/20/1997 | CA2045259C Solid state power amplifier with dynamically adjusted operating point |
| 05/15/1997 | WO1997012446A3 Receiver architecture for the receiving of angle-modulated/ angle-keyed carrier signals |
| 05/14/1997 | EP0773625A1 Variable gain amplifying device |
| 05/14/1997 | EP0526662B1 Circuit for sensing pulse-like noise in am receiver |
| 05/13/1997 | US5630221 Dynamic range extension system |
| 05/13/1997 | US5630220 Automatic gain control circuit for radio communication apparatus |
| 05/13/1997 | US5630217 Error-free pulse noise canceler used in FM tuner |
| 05/13/1997 | US5630014 Gain controller with automatic adjustment using integration energy values |
| 05/13/1997 | US5629647 Audio amplifier switching noise measuring method and device |
| 05/13/1997 | CA2085117C Power amplifier |
| 05/08/1997 | CA2189718A1 Power amplifier system with variable output |
| 05/07/1997 | EP0772292A2 RF power amplifiers |
| 05/07/1997 | CN1149373A Voice enhancement system and method |
| 05/06/1997 | US5627857 Linearized digital automatic gain control |
| 05/06/1997 | US5627746 Low cost controller |
| 05/02/1997 | EP0771069A2 Apparatus for controlling the conversion gain of a down converter |
| 05/02/1997 | EP0771068A1 Bias controller for decreasing bias current supplied to amplifier without sacrifice of distortion |
| 04/29/1997 | US5625322 Amplifier bias control device |
| 04/29/1997 | US5625321 Variable gain amplifier apparatus |
| 04/29/1997 | US5625181 Light-receipt system with current bias circuit and pre-amplifier for use in optical digital communication |
| 04/22/1997 | CA2001019C Agc isolation of information in tdma systems |
| 04/16/1997 | EP0768754A2 Controlled amplifiers and method for the suppression of interference signals |
| 04/15/1997 | US5621763 Apparatus and method for generating a transition between the on and off states of a radio frequency transmitter |
| 04/15/1997 | US5621359 Gain selection technique |
| 04/15/1997 | US5621349 Device for controlling an output level of an FM detecting circuit using phase locked loop |
| 04/15/1997 | CA2074115C Output level control circuit for use in rf transmitter |
| 04/10/1997 | DE19542402A1 Automatic gain control circuit |
| 04/10/1997 | DE19536233A1 Level control method for amplifier repeater for mobile radio systems |
| 04/09/1997 | EP0767534A1 Signal processing circuit and method |
| 04/09/1997 | EP0767533A1 Rf apparatus |
| 04/09/1997 | CN1034543C Method for regulating power in digital mobile telephone system |
| 04/09/1997 | CN1034542C Control system including switching circuit for ensuring proper operation when operating power is removed from portion of control system |
| 04/03/1997 | WO1997012446A2 Receiver architecture for the receiving of angle-modulated/ angle-keyed carrier signals |
| 04/03/1997 | DE19536527A1 Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen Receiver architecture for receiving angle-modulated / -getasteten carrier signals |
| 04/02/1997 | EP0766244A2 A read channel for at least partially offsetting nonlinear signal effects associated with the use of magneto-resistive heads |
| 04/02/1997 | CN1146670A Radio transmitter |
| 04/02/1997 | CN1146669A Power control circuit or transmission equipment |
| 04/02/1997 | CN1034459C Dynamic range enhancer |
| 04/01/1997 | US5617240 Automatic gain control method and device for receiving circuits |
| 04/01/1997 | US5617060 Method and apparatus for automatic gain control and DC offset cancellation in quadrature receiver |
| 03/26/1997 | EP0765048A2 Radio Data System FM receiver capable of instantaneous muting |
| 03/26/1997 | EP0765042A2 A time-division radio that induces reduced baseband interference |
| 03/26/1997 | EP0764364A2 An amplifier stage having a switchable gain and reduced distortion |
| 03/25/1997 | US5615412 Digital squelch tail system and method for same |
| 03/25/1997 | US5615270 Method and apparatus for dynamic sound optimization |
| 03/25/1997 | US5615231 Fast automatic gain control |
| 03/20/1997 | WO1997010649A1 Intermodulation distortion reduction circuit utilizing variable attenuation |
| 03/20/1997 | WO1997010644A1 Linearized digital automatic gain control |
| 03/19/1997 | EP0763888A2 Method and circuit arrangement for processing audio signal |
| 03/19/1997 | EP0763887A1 Circuit for automatically regulating the gain of a differential amplifier |
| 03/19/1997 | EP0763280A1 Signal processing device |
| 03/19/1997 | CN1145550A DC offset compensation device |
| 03/18/1997 | US5613230 AM receiver search tuning with adaptive control |
| 03/18/1997 | US5613218 Method and apparatus in a radio communication system for mitigating noise and interference effects |
| 03/18/1997 | US5612488 Semiconductor acceleration detecting device |
| 03/18/1997 | CA2061928C Gain control circuitry for quadrature amplitude modulation demodulator |
| 03/13/1997 | DE19533260A1 Dynamic control of low frequency signals |
| 03/12/1997 | EP0762691A2 Method and device for equalising the respective power levels of the channels of a spectrally multiplexed signal |
| 03/12/1997 | EP0762639A2 Sound volume control signal for a receiver for block coded speech signals |
| 03/12/1997 | EP0762638A2 Transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal |
| 03/12/1997 | EP0762637A2 Variable output amplifier |
| 03/12/1997 | EP0762636A1 System and method of handling audio signals |
| 03/09/1997 | CA2185038A1 Process and system for equalizing the power levels of the channels used by a spectrum multiplex light signal |
| 03/06/1997 | WO1997008844A1 Method and apparatus in a radio communication system for mitigating noise and interference effects |
| 03/06/1997 | WO1997008825A1 Highly responsive automatic output power control based on a differential amplifier |
| 03/06/1997 | WO1997008824A1 An apparatus and method for providing a flexible ramp up and ramp down of the sections of a radio in a wireless local area network |
| 03/06/1997 | CA2230020A1 Highly responsive automatic output power control |
| 03/05/1997 | CN1144427A High-frequency amplifier, transmitting device and receiving device |
| 03/05/1997 | CN1144422A Output-controlled power amplifier, radio communication terminal and radio communication base station |
| 03/04/1997 | US5608207 Sensor with automatic gain control |
| 02/27/1997 | DE19531032A1 Tuner for direct reception of satellite transmission |
| 02/26/1997 | EP0759230A1 Cmos programmable resistor-based transconductor |
| 02/26/1997 | EP0759229A1 Low distortion differential transconductor output current mirror |
| 02/26/1997 | EP0563125A4 Dynamically biased amplifier |
| 02/25/1997 | US5606625 Digital circuit to regulate the gain of an amplifier stage |
| 02/25/1997 | US5606285 Power control circuit for use with transmitter |
| 02/25/1997 | US5606284 Automatic gain control device for producing constant amplitude output signal |
| 02/18/1997 | US5604927 Receiver having an adjustable bandwidth filter |
| 02/18/1997 | US5604924 Radio communication apparatus in which output power is controlled by pulse width modulation using a mobile attenuation code |
| 02/18/1997 | US5604460 Amplifier array and receiver circuit that includes the amplifier array |