Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
05/1995
05/23/1995US5418493 Differential amplifier with common-mode rejection
05/23/1995US5418492 Fully differential non-op-amp-based positive feedback BJT biquad filter
05/23/1995US5418491 Operational amplifier compensation circuit for preventing phase reversal and maintaining performance for inputs outside the common mode range
05/23/1995US5418490 Failure responsive alternate amplifier and bypass system for communications amplifier
05/23/1995US5418449 Device for the detection of power at the output of an electronic circuit
05/23/1995US5418381 Photocoupled circuit with photodiode arrays driving a MOSFET switch and current limiting circuit
05/23/1995CA2033031C Linear amplifier
05/18/1995WO1995013654A1 An operational transconductance amplifier with matched outputs
05/18/1995WO1995013653A1 A differential amplifier with common mode bias
05/18/1995WO1995013652A1 Apparatus and method for frequency compensating an operational amplifier
05/18/1995WO1995013588A1 Circuit for generating a buffered output
05/18/1995WO1995013571A1 High performance power amplifier
05/18/1995WO1995013522A1 Circuit assembly for the control of signals
05/18/1995CA2153586A1 Complementary cascode push-pull amplifier
05/18/1995CA2153253A1 An operational transconductance amplifier with matched outputs
05/17/1995EP0653855A1 A differential switched capacitor circuit
05/17/1995EP0653836A1 Final stage of audio-frequency amplification operating in class A
05/17/1995EP0653119A1 Methods and apparatus for microphone preamplification
05/16/1995US5416442 Slew rate enhancement circuit for class A amplifier
05/16/1995US5416433 Inverting circuit
05/16/1995US5416365 Local feedback stabilized emitter follower cascade
05/16/1995US5416364 Direct current to direct current galvanic isolator
05/16/1995US5416351 Electrostatic discharge protection
05/10/1995EP0652636A1 H-bridge type power amplifier and blocking means therefore
05/10/1995EP0652635A1 A differential gain stage for use in standard bipolar ECL processes
05/10/1995CN1028395C Regulated amplifier circuit
05/09/1995US5414388 Rail to rail operational amplifier input stage
05/09/1995US5414387 Distributed amplifier and bidirectional amplifier
05/09/1995US5414311 Sample and hold circuit and finite impulse response filter constructed therefrom
05/06/1995CA2134934A1 H-bridge type power amplifier and its blocking means
05/03/1995EP0651503A1 Input/output interface circuit for digital and/or analog signals
05/03/1995EP0651502A1 Amplifier element with current mode diffential structure
05/03/1995EP0651501A2 Power amplifier having multiple switched stages
05/03/1995EP0651500A1 Operational amplifier
05/02/1995US5412348 Compound triple cascoded mirror
05/02/1995US5412347 Compact cascadable microwave amplifier circuits
05/02/1995US5412345 Amplifier arrangement having a relatively stable reference potential
05/02/1995US5412344 Class AB amplifier with improved phase margin
05/02/1995US5412343 Common-mode signal sensor
05/02/1995US5412342 Power amplifier device comprising a plurality of feedforward distortion compensating circuits in parallel
05/02/1995US5412340 Shield structure for use in microwave circuit device
05/02/1995US5412339 High frequency amplifier
05/02/1995US5412309 Current amplifiers
05/02/1995US5412285 Linear amplifier incorporating a field emission device having specific gap distances between gate and cathode
05/02/1995US5412235 Monolithic integrated circuit including gate bias transistor controlling the gate bias applied to an amplifying transistor
05/02/1995US5412202 Optical signal input-type amplifier circuit
04/1995
04/27/1995WO1995011547A1 Balanced high-speed differential input stage for op-amps
04/27/1995WO1995011546A1 Audio frequency power amplifier
04/26/1995EP0650254A1 Circuit for controlling the rise of the output voltage of an amplifier at start up
04/25/1995US5410592 Class `D` audio speaker amplifier circuit with state variable feedback control
04/25/1995US5410282 Wide dynamic range amplifier with error correction
04/25/1995US5410276 RF modulation using a pulsed DC power supply
04/25/1995US5410275 Amplifier circuit suitable for use in a radiotelephone
04/25/1995US5410274 Single-ended and differential amplifiers with high feedback input impedance and low distortion
04/25/1995US5410273 Low distortion operational amplifier
04/25/1995US5410271 Non-linear feedback network providing a linear transfer function
04/25/1995US5410197 Circuitry and method for sense amplification
04/25/1995US5410145 Light detector using reverse biased photodiodes with dark current compensation
04/20/1995WO1995010881A1 Chopper amplifier
04/20/1995DE4433140A1 Music amplifier having a plurality of operating modes and parallel channels
04/19/1995EP0649225A1 Method for controlling a bridge circuit and use of the method in the operation of an AM-broadcast transmitter
04/19/1995EP0649218A1 Gain enhancement technique for operational amplifiers
04/18/1995US5408497 Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms
04/18/1995US5408198 Semiconductor power amplifier integrated circuit
04/13/1995WO1995010139A1 Low power analog absolute differencing circuit and architecture
04/13/1995WO1995010050A1 Arrangement for reading information from a track on a record carrier comprising a fast settling read amplifier for magneto-resistive heads
04/13/1995WO1995010049A1 Arrangement for reading information from a track on a record carrier
04/12/1995EP0648011A1 Amplifier arrangements
04/12/1995EP0648010A1 Frequency compensation circuit for stabilising a differential amplifier with cross-coupled transistors
04/11/1995US5406226 Stable, narrow bandwidth, high frequency amplifier with low power consumption
04/11/1995US5406225 Bias control circuit for radio-frequency power amplifier
04/11/1995US5406224 Circuit for stabilizing RF amplifier
04/11/1995US5406223 Amplifier system for low level sensor signal
04/11/1995US5406222 High gain transistor amplifier
04/11/1995US5406221 Video amplifier circuit with gain and alignment control
04/11/1995US5406220 Pole/zero compensation in cascode amplifiers
04/11/1995US5406219 Differential-to-single-ended converter
04/11/1995US5406146 Circuit and method for generating a buffered output having low distortion
04/11/1995US5406145 Push-pull-type amplifier circuit
04/11/1995US5406135 Differential current source circuit in DAC of current driving type
04/06/1995DE4433594A1 Biquad filter
04/04/1995US5404378 Distortion compensating circuit
04/04/1995US5404333 Semiconductor memory arrangement
04/04/1995US5404097 Voltage to current converter with negative feedback
04/04/1995US5404051 Totem-pole load driving circuit with potential rise characteristics control
04/04/1995US5404050 Single-to-differential converter
03/1995
03/30/1995WO1995005584A3 Two-wire constant current powered transducer
03/29/1995EP0645884A1 Current mode amplifier chain, operational amplifier, gain cell and corresponding amplifying elements
03/29/1995EP0645883A2 Wideband amplifier circuit
03/29/1995EP0645822A1 High efficiency electrically adjustable width field effect transistor and method therefor
03/28/1995US5402085 Process and device for compensation of phase instabilities of the wave amplified by a microwave tube
03/28/1995US5402084 Coupling circuit
03/28/1995US5402011 Current source circuit
03/28/1995US5401995 Circuit with diode-protected emitter resistors
03/23/1995WO1995008216A1 Bicmos operational amplifier for switch-capacitor circuits
03/23/1995WO1995008215A1 BiCMOS OPERATIONAL AMPLIFIER FOR SWITCH-CAPACITOR CIRCUITS
03/22/1995EP0644650A1 Constant-amplitude wave combination type amplifier
03/22/1995EP0644649A2 A pulse width modulation amplifier
03/22/1995EP0575598A4 Multi-zone audio distribution amplifier.
03/21/1995US5399993 High input impedance amplifier
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