| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 07/21/1992 | US5132559 Circuit for trimming input offset voltage utilizing variable resistors |
| 07/15/1992 | EP0494420A1 Current sink |
| 07/15/1992 | CN1062816A Dynamically biased amplifier |
| 07/14/1992 | US5131046 High fidelity hearing aid amplifier |
| 07/14/1992 | US5130667 Differential transimpedance amplifier |
| 07/14/1992 | US5130666 Balanced microphone preamplifier in cmos technology |
| 07/14/1992 | US5130664 One GHZ CATV repeater station |
| 07/14/1992 | US5130635 Voltage regulator having bias current control circuit |
| 07/14/1992 | US5130572 Operational track-and-hold amplifier |
| 07/14/1992 | US5130567 Bipolar transistor arrangement with distortion compensation |
| 07/09/1992 | WO1992011699A1 Digital-to-analogue conversion |
| 07/08/1992 | EP0493519A1 Output amplifier |
| 07/08/1992 | CN2109662U Pre-set working state audio frequency power amplifier |
| 07/08/1992 | CN1062627A Linear amplifier |
| 07/07/1992 | US5128723 Scavengeless development system having toner deposited on a doner roller from a toner mover |
| 07/07/1992 | US5128631 Operational amplifier having improved slew rate |
| 07/07/1992 | US5128630 High speed fully differential operational amplifier |
| 07/07/1992 | US5128628 Solid state high power amplifier module |
| 07/07/1992 | US5128627 Pulse power amplifier |
| 07/02/1992 | DE4041998A1 Output transformer loss compensating circuit - has load dependent output voltage attenuated to low value via damper and attenuation resistors |
| 07/02/1992 | DE4041863A1 Active, highly linear reception aerial amplifier circuit - has input stage input terminal formed by control or source terminals of active tri-pole |
| 07/02/1992 | DE4040782A1 Stabilising circuit for LF power amplifier - has output signal fed to low pass with limit frequency and to extra amplifier |
| 07/02/1992 | DE4038452C1 Wide band amplifier with FET impedance converter output stage - has control circuit keeping constant mean emitter potential of NPN-output of emitter follower |
| 07/01/1992 | EP0493335A1 Differential output, power, CMOS, operational amplifier |
| 07/01/1992 | EP0493192A1 Load coupling device for high power transmitter |
| 07/01/1992 | EP0493081A2 Solid state high power amplifier module |
| 07/01/1992 | EP0492906A2 Method and apparatus for high-speed bi-CMOS differential amplifier with controlled output voltage swing |
| 07/01/1992 | EP0492431A1 A circuit for processing signals supplied by a zirconium-type oxygen sensor |
| 07/01/1992 | EP0492374A1 Unitary-gain final stage particularly for monolithically integratable power amplifiers |
| 07/01/1992 | EP0492373A1 Intrinsic offset recovery circuit particularly for amplifiers |
| 07/01/1992 | EP0492291A1 Double bridge amplifier stage for two input signals, particularly for stereo applications |
| 07/01/1992 | EP0491980A1 Voltage regulator including CMOS transconductance amplifier with dynamic biasing |
| 06/30/1992 | US5127059 Audio amplifiers |
| 06/30/1992 | US5126704 Polyphase divider/combiner |
| 06/30/1992 | US5126689 Direct-coupled grounded-base amplifier, semiconductor device and information processing device having the amplifier therein |
| 06/30/1992 | US5126685 Circuits for linear conversion between voltages and currents |
| 06/30/1992 | US5126684 Digital power amplifier |
| 06/30/1992 | US5126586 Wideband differential voltage-to-current converters |
| 06/30/1992 | US5126568 Magnetometer input circuit for infrared detectors |
| 06/30/1992 | CA1304460C Method and apparatus for the linear amplification of signals |
| 06/28/1992 | CA2057794A1 Charged-coupled device for high-power transmitters |
| 06/24/1992 | EP0491505A2 Integrated waveguide combiner |
| 06/24/1992 | EP0491488A1 Low distortion, low noise, amplifier |
| 06/23/1992 | US5124667 Wideband amplifier having separate outputs |
| 06/23/1992 | US5124666 CMOS current convevor and its filter applications |
| 06/23/1992 | US5124663 Offset compensation CMOS operational amplifier |
| 06/23/1992 | US5124596 Single-temperature-trimmable fet input circuit having active channel segments of different areas |
| 06/23/1992 | US5124586 Impedance multiplier |
| 06/23/1992 | US5123732 Optical time domain reflectometer and current voltage converter for use therein |
| 06/18/1992 | WO1992011702A1 Dynamically biased amplifier |
| 06/17/1992 | EP0490690A1 Amplifier circuit |
| 06/17/1992 | EP0490295A1 Circuit for suppressing the noise produced by the switching of two voltage sources, particularly for audio preamplification stages |
| 06/17/1992 | EP0490251A1 Trimmable input stage |
| 06/17/1992 | EP0490016A1 Integrated circuit for generating a temperature independent current proportional to the voltage difference between a signal and a reference voltage |
| 06/17/1992 | EP0489927A1 Light-receiving circuit |
| 06/17/1992 | DE4039983A1 Variable amplifier with base terminals of transistor pair receiving signal to be amplified - couples controlled current sources to processor maintaining constant sum by negative feedback |
| 06/16/1992 | US5122915 Low-noise preamplifier for magneto-resistive heads |
| 06/16/1992 | US5122759 Class-A differential amplifier and method |
| 06/16/1992 | US5122730 Voltage divider for a wide band domino effect high voltage regulator |
| 06/16/1992 | US5122686 Power reduction design for ECL outputs that is independent of random termination voltage |
| 06/16/1992 | CA1303751C System for compensating for offset voltages in comparators |
| 06/11/1992 | WO1992010027A1 Composite bridge amplifier |
| 06/11/1992 | WO1992009990A1 Method for clockfeedthrough error compensation in switched capacitor circuits |
| 06/11/1992 | DE4038379A1 Amplifier circuit with variable output voltage - has two outputs of first differential amplifier coupled each to negative feedback circuit |
| 06/10/1992 | EP0283479B1 Circuit utilizing resistors trimmed by metal migration |
| 06/10/1992 | CN1061864A Reference voltage generating circuit of semiconductor memory device |
| 06/09/1992 | US5121084 Balance and protection for stacked RF amplifiers |
| 06/09/1992 | US5121083 High frequency transistor power amplifier |
| 06/09/1992 | US5121082 Buffer circuit |
| 06/09/1992 | US5121080 Amplifier with controlled output impedance |
| 06/09/1992 | US5121079 Driven-common electronic amplifier |
| 06/09/1992 | US5121011 Driver circuit for driving an analog device |
| 06/09/1992 | US5120998 Source terminated transmission line driver |
| 06/03/1992 | EP0488892A2 Recording signal amplifier apparatus |
| 06/03/1992 | EP0488315A2 A balanced cascode current mirror |
| 06/03/1992 | EP0488160A1 Multistage amplifier |
| 06/03/1992 | EP0488056A1 Noise isolated amplifier circuit |
| 06/03/1992 | EP0487688A1 Low offset unity gain buffer amplifier |
| 06/03/1992 | CN2106446U Wave guide type transistor power amplifier |
| 06/02/1992 | US5119042 Solid state power amplifier with dynamically adjusted operating point |
| 06/02/1992 | US5119041 High gain differential current amplifier having a low output voltage |
| 06/02/1992 | US5119038 CMOS current mirror with offset adaptation |
| 06/02/1992 | US5118997 Dual feedback control for a high-efficiency class-d power amplifier circuit |
| 06/02/1992 | US5118966 Detection voltage output circuit of charge generation type sensing device |
| 05/27/1992 | EP0487176A2 Voltage to current conversion switching system |
| 05/27/1992 | EP0487133A2 High efficiency power audio amplifier comprising two amplifiers with a single feed |
| 05/27/1992 | EP0486986A1 Buffer circuit |
| 05/27/1992 | EP0486837A1 High speed low offset CMOS amplifier with power supply noise isolation |
| 05/27/1992 | CN1061499A New type all channel high frequency amplifier |
| 05/26/1992 | US5117204 Phase locked loop circuit |
| 05/26/1992 | US5117203 Phase stable limiting power amplifier |
| 05/26/1992 | US5117199 Fully differential follower using operational amplifier |
| 05/26/1992 | US5117198 Class D MOSFET amplifier and voltage supply balance circuit therefor |
| 05/26/1992 | CA1301861C Operational amplifier |
| 05/21/1992 | DE4036799A1 Travelling wave tube amplifier - has additional delay section to provide correction and give linear characteristic |
| 05/20/1992 | EP0486367A1 Modem for a microwave badge with a reflectance amplifier |
| 05/20/1992 | EP0486332A1 Operational amplifier |
| 05/20/1992 | EP0485853A2 Output stage for amplifier |
| 05/20/1992 | EP0340258B1 Microwave integrated distributed amplifier with field emission triodes |
| 05/19/1992 | US5115248 Multibeam antenna feed device |