Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 3 - Gain control in amplifiers or frequency changers
Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162)
10/1996
10/29/1996US5570064 Automatic gain control amplifier for use in radio transmitter-receiver
10/24/1996WO1996033555A1 Temperature compensated automatic gain control
10/24/1996WO1996033554A1 Rf apparatus
10/24/1996DE19548602A1 Speech control arrangement for electronic equipment esp. videotelephone
10/24/1996CA2218686A1 Temperature compensated automatic gain control
10/23/1996EP0738883A2 Ultrasonic transducer with integrated controllable amplifier
10/22/1996US5568518 Fast automatic gain control
10/22/1996US5568094 Rf power amplifier with increased efficiency at low power
10/17/1996DE19513720A1 Audio signal supply for stereo-headsets e.g. for CD or DAT player
10/16/1996EP0737381A1 A gain controllable amplifier, a receiver comprising a gain-controllable amplifier, and a method of controlling signal amplitudes
10/15/1996US5566363 Transmission power control circuit and mobile communication system incorporating the circuit
10/15/1996US5566201 Digital AGC for a CDMA radiotelephone
10/15/1996US5566143 Positioning control system utilizing optical beam
10/15/1996US5565932 AGC system with pilot using digital data reference
10/15/1996US5565672 Optical transimpedance receiver with compensation network
10/10/1996WO1996031954A1 Output power controller
10/10/1996WO1996031946A2 A linearizer for linearizing a non-linear component controlled by control voltage
10/10/1996WO1996031945A2 An amplifier stage having a switchable gain and reduced distortion
10/09/1996EP0736970A1 Amplitude adjust circuit and method thereof
10/08/1996US5564092 Differential feed-forward amplifier power control for a radio receiver system
10/08/1996US5564090 Method and apparatus for dynamically adjusting receiver squelch threshold
10/08/1996US5564087 Method and apparatus for a linear transmitter
10/08/1996US5564080 Method for optimizing the automatic amplifier setting in radio receivers
10/08/1996US5563916 Apparatus and method for varying the slew rate of a digital automatic gain control circuit
10/08/1996US5563907 For use with a transmitter
10/03/1996WO1996031000A1 Sound system gain and equalization circuit
10/02/1996EP0735708A2 Object code allocation in mutiple processor systems for digital audio mixing console
10/02/1996EP0735703A2 Automatic recognition of burst in a time multiplexed system
10/02/1996EP0735690A2 Circuit for controlling power of radio apparatuses
10/02/1996EP0735670A2 Transmit power level detection circuit with enhanced gain characteristics
10/02/1996EP0734615A1 Transmitters for radio telephone base stations
10/01/1996US5561542 Optical communication system and method for performing communication under clock control
10/01/1996US5561395 Method and apparatus for self-adjusting a multistage radio frequency power amplifier
10/01/1996CA2170667A1 Transmit power level detection circuit with enhanced gain characteristics
09/1996
09/26/1996WO1996029780A1 Dual action automatic sound level control
09/26/1996DE19535801C1 Amplification regulation of optical fibre amplifier in wavelength multiplex system
09/25/1996EP0734118A1 Bias control circuit for an RF power amplifier
09/24/1996US5559880 Circuit for hands free talking
09/24/1996US5559471 Amplifier and biasing circuit therefor
09/24/1996US5559460 Peak detection circuit for suppressing magnetoresistive thermal asperity transients in a data channel
09/24/1996CA2094769C Automatic adjustment circuit for analog control unit
09/18/1996EP0732024A1 Voice enhancement system and method
09/18/1996EP0631686B1 Computer disk drive integrated data path circuit optimized for handling both data and servo signals
09/18/1996CN1131359A Rf power amplifier with increased efficiency at low power
09/17/1996US5557237 Method and device for automatic gain control in an amplifier of an electroacoustic system, particularly for motor vehicles
09/17/1996CA2086673C Power amplifier ramp up method and apparatus
09/17/1996CA2063922C Selective transmission of encoded voice information representing silence
09/11/1996EP0730801A1 Receiver path selection based on burst-type in a time division multiple access receiver
09/11/1996EP0550540B1 Variable speaker muting based on received data
09/10/1996US5555450 Radio phone and method of operating a radio phone
09/10/1996US5555277 Technique for cancelling common mode switching noise to achieve reduced error rates in a local area network
09/06/1996WO1996027240A1 Dual audio program system
09/06/1996WO1996027239A1 Cmos programmable resistor-based transconductor
09/06/1996WO1996027238A1 Low distortion differential transconductor output current mirror
09/06/1996WO1996019048A3 Method and apparatus for increasing receiver immunity to interference
09/05/1996DE19507706A1 Amplifier circuit with digital programmable feedback loop
09/04/1996EP0730345A2 Variable gain circuit
09/04/1996CN1130448A Amplifier stage with DB-linear output voltage
09/03/1996CA2066711C Dual mode automatic gain control
08/1996
08/28/1996EP0729223A2 Voltage offset compensation circuit
08/28/1996EP0729131A2 Electronic sound source having reduced spurious emissions
08/27/1996US5551067 Amplifier control system
08/27/1996US5550922 Vehicle radio automatic volume adjustment system
08/27/1996US5550507 Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values
08/22/1996DE19604239A1 High frequency power amplifier for portable communication equipment
08/20/1996US5548833 Data independent automatic gain control circuit for telecommunication applications
08/20/1996US5548830 Dual-band frequency-selective attenuator for automatic gain control
08/20/1996US5548827 Portable radio communication device capable of transmitting the same level of electrical energy when the antenna is stored or extended
08/20/1996US5548826 Power amplifier and a transmitter including the power amplifier
08/20/1996US5548616 Spread spectrum radiotelephone having adaptive transmitter gain control
08/20/1996US5548594 For use in a radio receiving apparatus
08/20/1996CA2110301C Detector
08/20/1996CA2049299C Power amplifier
08/14/1996EP0725998A1 Apparatus and method for shaping and power controlling a signal in a transmitter
08/14/1996CN1128916A Method and device for improving efficiency of amplitude
08/13/1996US5546079 Output circuit arrangement integrated in an integrated electric circuit for supplying an output signal determined by user selectable parameters
08/13/1996US5546051 Power amplifier and power amplification method
08/13/1996US5546050 Radio frequency bus leveling system
08/08/1996WO1996024193A1 Wide dynamic range analog to digital conversion
08/08/1996WO1996024192A1 Filter with feed-forward agc
08/08/1996DE19603090A1 Programmable amplifier for electronic probe
08/08/1996DE19503881A1 Noise muting switch for television receiver audio amplifier
08/08/1996CA2211094A1 Filter with feed-forward agc
08/08/1996CA2210394A1 Wide dynamic range analog to digital conversion
08/07/1996EP0725479A1 Mobile radio unit
08/07/1996CN1128445A Noise suppressing device
08/06/1996US5544250 Noise suppression system and method therefor
08/06/1996US5543759 Audio amplification circuits
08/06/1996US5543745 Voltage controlled current source and bias generation circuit using such current source
08/06/1996CA2077155C Apparatus for controlling consumption power for gaas fet
08/01/1996WO1996013914A3 Sectorized communication system and methods useful therefor
08/01/1996DE19501083A1 Optimisation method for frequency dependent amplification of receiver coupled to transmission path
07/1996
07/31/1996CN1128091A Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
07/30/1996US5541600 Signal processing circuit including a variable gain input stage
07/30/1996CA2065655C Plural time constant signal control
07/25/1996WO1996014700A3 AGC circuit for a digital receiver
07/24/1996EP0722627A1 Improvements in or relating to zero if receivers
07/24/1996EP0722625A1 Feedforward amplifier for minimizing distortion
07/24/1996EP0722595A1 Transponder with automatic gain control
07/23/1996US5539846 System and method for transmitting parallel signals via an optical transmission path
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