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)
07/1996
07/23/1996US5539302 Reference power supply
07/23/1996CA2084990C Transmitter filter with integral directional coupler for cellular telephone
07/17/1996EP0722247A1 Emphasis and de-emphasis circuit
07/17/1996EP0721715A1 Multiple antenna home base for digital cordless telephones
07/17/1996EP0506708B1 Method and apparatus for random fm noise cancellation
07/16/1996US5537675 Splatter controlling noise blanker
07/16/1996US5537668 Audio signal reproducing device
07/11/1996WO1996021295A1 Spread-spectrum system and method
07/11/1996DE19500099A1 Fully-differential CMOS wide-band transconductance-transimpedance amplifier
07/09/1996US5535444 Diode loaded feed-forward radio frequency amplifier power control
07/09/1996US5535280 Circuit for removing ignition noise from a multiplex signal
07/09/1996US5535082 Turn-on control circuit for electric devices
07/09/1996US5534817 Voltage generating circuit
07/09/1996CA2056701C Fet amplifier with gate voltage control
07/03/1996EP0720311A2 Optical transimpedance receiver with compensation network
07/03/1996EP0720287A2 Wide dynamic range power amplifier
07/03/1996EP0720286A2 Output control circuit for transmission power amplifying circuit
07/02/1996US5533136 Circuit for attenuating commercial interruptions during radio broadcasting
07/02/1996US5533133 Noise suppression in digital voice communications systems
07/02/1996US5533064 Digital radio receiver having limiter amplifiers and logarithmic detector
07/02/1996US5532655 Method and apparatus for AC/DC signal multiplexing
07/02/1996US5532646 High frequency power amplifier
07/02/1996US5532644 Variable gain amplifying circuit
07/02/1996US5532578 Reference voltage generator utilizing CMOS transistor
07/01/1996CA2166376A1 Output control circuit for transmission power amplifying circuit
06/1996
06/27/1996DE19532764A1 Semiconductor acceleration detection system for motor vehicle ABS brake and air bag deployment systems
06/26/1996EP0718985A2 Apparatus and method for power level control in radio communications system
06/26/1996EP0718984A2 Apparatus and method for power level control in radio communication system
06/26/1996EP0718969A2 Power controller for RF transmitters
06/25/1996US5530922 Power detector with matching impedance for radio frequency signal amplifiers
06/25/1996US5530920 Automatic output level control system for multi-carrier radio transmission apparatus
06/25/1996US5530767 Reception volume limiting circuit
06/25/1996US5530761 Automatic process of adjustment of the volume of sound reproduction
06/25/1996US5530405 Low consumption multi-stage amplifier, and a vehicle onboard signal receiver having such an amplifier
06/20/1996WO1996019048A2 Method and apparatus for increasing receiver immunity to interference
06/19/1996EP0717492A1 RF power amplifier with increased efficiency at low power
06/19/1996EP0716783A1 Amplifier stage with a db-linear output voltage
06/18/1996US5528509 Method of designing a high-frequency circuit
06/18/1996CA2053322C Integrated circuit and gate array
06/13/1996WO1996018251A1 Method for substituting bad speech frames in a digital communication system
06/12/1996CN1124423A Power amplifier and radio transmitter
06/11/1996US5526530 Receiver with squelching responsive to input signal frequency
06/11/1996US5526434 Audio signal output device
06/11/1996US5525922 Automatic gain and level control circuit and method
06/06/1996WO1996018249A1 Device and method for multiplexing signal
06/05/1996CN1031969C Common bias circuit for plurality of discreteic's each having their own bias circuitry
06/04/1996US5524275 Averaged RF exposure control
06/04/1996US5524060 Visuasl dynamics management for audio instrument
06/04/1996US5524009 Fast AGC setting using RSS (I) measurement procedure
06/04/1996US5523721 Digitally controlled variable gain circuit
06/04/1996US5523715 Amplifier arrangement and method and voltage controlled amplifier and method
06/04/1996US5523712 Resistor array circuit device and variable gain device utilizing same
06/04/1996CA2062776C Digital automatic gain control
06/03/1996CA2164268A1 Electronic sound source having reduced spurious emissions
05/1996
05/31/1996CA2163961A1 Level control circuit for portable radio communication apparatus
05/30/1996WO1996016511A1 Device for automatic adaptation of the average sound level of a television set
05/29/1996EP0714174A2 Front-end circuit for receiver with gain control circuit
05/29/1996CN1123491A Receiver, automatic gain controller suitable for the receiver, control signal generator suitable for the automatic gain controller, reception power controller using the automatic gain controller......
05/23/1996WO1996015586A1 Wafer-stage temperature compensation for ic components
05/22/1996EP0713288A2 Radio frequency detector circuit
05/21/1996US5519888 Receiver incorporating an other users noise simulator (OUNS) for use in a communication system
05/17/1996WO1996014700A2 Agc circuit for a digital receiver
05/17/1996WO1996014693A1 Differential feed-forward amplifier power control for a radio receiver system
05/17/1996WO1996014691A1 Method and apparatus for a linear transmitter
05/15/1996CN1122542A Radio transmission output control circuit for TDMA communication
05/14/1996US5517684 Radio communication system having current control circuit
05/14/1996US5517149 Gain linearity correction circuit for MOS circuits
05/14/1996CA2086009C Power control of a direct sequence cdma radio
05/09/1996WO1996013914A2 Sectorized communication system and methods useful therefor
05/09/1996WO1996013896A2 A gain controllable amplifier, a receiver comprising a gain-controllable amplifier, and a method of controlling signal amplitudes
05/09/1996WO1995024712A3 Adjustable resistance device with control circuit
05/09/1996CA2200978A1 Sectorized communication system and methods useful therefor
05/08/1996EP0711035A2 System identification method apparatus by adaptive filter
05/08/1996EP0648384B1 Method and apparatus for controlling amplifier power
05/07/1996US5515431 Speakerphone device with auxiliary circuit for eliminating clicking at power-on
05/07/1996US5515008 Output level automatic control apparatus
05/07/1996US5515004 Method and apparatus for precision gain control for amplified signals
05/07/1996CA2079129C Power amplifying circuit capable of producing an output signal having a desired waveform
05/02/1996WO1996013096A1 Automatic sensitivity control
05/01/1996EP0709968A1 Reducing the number of trim links needed on multi-channel analog integrated circuits
04/1996
04/30/1996US5513387 Automatic gain control circuit
04/30/1996US5513267 Signal strength adapter circuit
04/30/1996US5513222 Combining circuit for a diversity receiving system
04/30/1996US5512817 Bandgap voltage reference generator
04/30/1996CA2026914C Audio limiter using voltage multiplexed feedback
04/25/1996WO1996012343A1 Transmitters for radio telephone base stations
04/24/1996EP0708527A1 Method and device for controlling output power of a power amplifier
04/23/1996US5511239 Mobile radio system/transmitter with a controllable power amplifier
04/23/1996US5510743 Apparatus and a method for restoring an A-level clipped signal
04/18/1996WO1996011529A1 Voice activated transmitter switch
04/18/1996WO1996003805A3 Improvements in or relating to zero if receivers
04/17/1996EP0706730A1 Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
04/17/1996CN1120789A Spread spectrum communication apparatus and signal intensity detection apparatus
04/17/1996CN1120784A Output power controlling circuit and antenna common use device of moving communicating device
04/16/1996US5509081 Sound reproduction system
04/16/1996US5509030 RF receiver AGC incorporating time domain equalizer circuity
04/16/1996US5509011 Transmission system for time-division multiplex signal transmission
04/16/1996CA2085606C Controlling clipping in a microwave power amplifier
04/11/1996WO1996010868A1 Method and arrangement in a transmission system
04/11/1996CA2201597A1 Method and arrangement in a transmission system
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