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)
12/1995
12/19/1995US5477370 Push-pull optical receiver having gain control
12/19/1995US5477192 Amplifier suitable for use in a radiotelephone
12/19/1995US5477191 Variable gain amplifier
12/19/1995US5477185 IC amplifier with saturation detection
12/14/1995WO1995034136A1 Data independent automatic gain control circuit for telecommunication applications
12/14/1995DE4434229A1 Discontinuous level setter with longitudinal and transverse resistances
12/14/1995DE19515783A1 Radio receiver with high S=N ratio tuner
12/14/1995CA2191847A1 Data independent automatic gain control circuit for telecommunication applications
12/13/1995EP0686324A1 Receiver having an adjustable bandwidth filter
12/12/1995US5475873 Rectification feedback high frequency circuit arrangement including an adaptive filter
12/12/1995US5475342 Amplifier for stably maintaining a constant output
12/12/1995CA2098993C Intermodulation compensation in a receiver
12/07/1995WO1995033306A1 Signal processing device
12/07/1995CA2151017A1 Linear receiver
12/06/1995EP0685934A1 Control device having no peaks in nor extinctions of the output level of a chain of amplification in a transmitter
12/06/1995EP0685932A1 Amplifier with transistorised multiple stages in cascade and adjustable output power
12/06/1995EP0645063A4 Receiver automatic gain control.
12/06/1995EP0604622A4 Rf amplifier bias control method and apparatus.
12/05/1995US5473615 Digital supervisory audio tone detector
12/05/1995CA1337703C Automatic gain control system
11/1995
11/30/1995WO1995028034A3 Signal amplifier system with improved echo cancellation
11/29/1995EP0684707A1 Antenne array for a cellular radio base station with transmission power control
11/29/1995EP0684703A1 Circuit for removing random fm noise
11/29/1995CA2150157A1 Base station arrangement
11/28/1995US5471656 Communication apparatus utilizing high power amplifier
11/28/1995US5471654 Transmitting/receiving unit having automatic gain control system with temperature compensation
11/28/1995US5471527 In a telecommunications network
11/22/1995EP0524294B1 Amplification circuit with exponential gain control
11/22/1995CN1112313A Broadcast signal receiver
11/21/1995US5469510 Arbitration adjustment for acoustic reproduction systems
11/21/1995US5469115 Method and apparatus for automatic gain control in a digital receiver
11/21/1995US5469105 Transmitter and power amplifier therefor
11/15/1995EP0681771A1 Gain control circuit for synchronous waveform sampling
11/15/1995CN1111856A Radio transceiver including transmitter power control circuit
11/14/1995US5467057 Circuit and method of varying amplifier gain
11/14/1995US5467055 Power amplifier and radio transmitter
11/09/1995WO1995030275A1 Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
11/09/1995WO1995030274A1 Method and apparatus for automatic gain control in a digital receiver
11/08/1995EP0681375A1 Communication apparatus
11/08/1995EP0547078B1 Power amplifier
11/07/1995US5465408 AGC circuit for operating in accordance with the nature of the interference signal and method for controlling this circuit
11/07/1995US5465407 Gain controller for a digital mobile radio receiver
11/07/1995US5465406 Automatic gain control overshoot limiter for AM receiver
11/07/1995US5465404 Communications receiver with an adaptive squelch system
11/07/1995US5465205 Automatic gain control apparatus
11/07/1995CA2056292C Sound volume controlling apparatus
10/1995
10/31/1995US5463662 Apparatus and method for reducing errors in data caused by noise through use of blanking
10/31/1995US5463603 Computer disk drive integrated data path circuit optimized for handling both data and servo signals
10/27/1995CA2145703A1 A noise-controlled communication apparatus
10/25/1995EP0678975A1 Low frequency amplifier
10/19/1995WO1995028040A1 Apparatus and method for reducing errors in data caused by noise through the use of blanking
10/19/1995WO1995028034A2 Signal amplifier system with improved echo cancellation
10/18/1995EP0677933A2 Actuator with tactile feedback
10/17/1995US5459750 Apparatus and method for discriminating and suppressing noise within an incoming signal
10/17/1995US5459679 Real-time DC offset control and associated method
10/17/1995US5459426 Output level control circuit for setting transmission output to desired level
10/11/1995EP0676100A1 Method and apparatus for controlling a peak envelope power of a power amplifier
10/10/1995US5457811 System for controlling signal level at both ends of a transmission sink based on a detected value
10/10/1995US5457417 Scaler circuit
10/05/1995WO1995026604A1 Adaptive telephone interface
10/04/1995CN1109664A Mobil communication device and method
10/03/1995CA2050027C Automatically configured audio system
10/03/1995CA2026916C Audio amplifier limiting for a remote power amplifier
10/03/1995CA2017547C Vhf dc-dc power supply
09/1995
09/28/1995DE4410532A1 Circuitry blending additional messages with other audio reception in vehicle
09/27/1995EP0674463A1 Programmable hearing aid
09/27/1995EP0674406A1 System and method for transmitting a parallel electrical signal via a serial optical path
09/27/1995EP0674402A1 Fast AGC for TDMA radio systems
09/27/1995EP0674382A1 Multistage amplifier with low power consumption and onboard signal receiver comprising such an amplifier
09/27/1995CN1029899C High efficiency dual mode power amplifier apparatus
09/26/1995US5454118 Method and apparatus for prevention of squelch chatter
09/26/1995US5453716 Adjustable clip detection system
09/20/1995EP0673113A1 System for characterization of signal sources
09/20/1995EP0673112A1 Power amplifier and power amplification method
09/19/1995US5452332 AGC circuit for burst signal
09/19/1995US5451948 Apparatus and method for combining analog and digital automatic gain control in receivers with digital signal processing
09/19/1995US5451902 Fully differential CMOS transconductance-transimpedance wide-band amplifier
09/14/1995WO1995024767A1 An amplifier circuit
09/14/1995WO1995024765A1 Method for amplitude training in a linear power amplifier
09/14/1995WO1995024712A2 Adjustable resistance device with control circuit
09/14/1995CA2183955A1 An amplifier circuit
09/12/1995US5450622 Method and apparatus for providing a very fast acting noise squelch control system for an RF radio receiver
09/12/1995US5450494 Automatic volume controlling apparatus
09/12/1995US5450035 Automatic gain control apparatus
09/07/1995DE4407032A1 Voice signal processor with amplification control
09/06/1995EP0670087A1 Method and arrangement for controlling the operation of a high-frequency power amplifier
09/05/1995US5448774 Intermittent operation receiver
09/05/1995US5448595 Automatic gain control circuit for a demodulation section of a modem
09/05/1995US5448593 Frequency hopping time-diversity communications systems and transceivers for local area networks
09/05/1995US5448424 AGC circuit and recording and reproducing apparatus using AGC circuit
09/05/1995US5448288 Automatic adjustment circuit for analog control unit
09/05/1995CA2054173C Digital radio receiver having amplitude limiter and logarithmic detector
08/1995
08/31/1995WO1995023454A1 Method and device for automatically controlling gain in receiver circuits
08/30/1995EP0669711A1 Car radio sound reproduction apparatus with noise dependent volume control
08/30/1995EP0669710A2 Variable gain amplifying circuit
08/29/1995US5446921 Circuit for detecting noise and producing a squelch signal
08/29/1995US5446761 Decoder circuit for phase modulated signals
08/23/1995EP0667994A1 Method and arrangement for controlling the operation of a high-frequency power amplifier
08/22/1995US5444787 Audio signal processing device
08/22/1995US5444783 Automatic sound volume control device for acoustic instruments
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