| Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272) |
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| 09/08/1992 | US5146106 CMOS winner-take all circuit with offset adaptation |
| 09/08/1992 | CA1307328C Alternating current amplifier with digitally controlled frequency response |
| 09/03/1992 | DE4106267A1 Car radio with bridge output stage - has bridge branch, in parallel with temp. sensor, controllable by waveband switch |
| 09/02/1992 | EP0500889A1 Power amplifiers |
| 09/02/1992 | EP0500645A1 Transducer signal conditioning circuit |
| 09/02/1992 | CN1018134B Video display driver apparatus |
| 09/01/1992 | US5144258 Power amplifier system for radio transmitter and method for using the same |
| 09/01/1992 | US5144169 Operational amplifier circuit |
| 08/26/1992 | EP0500381A2 Adaptive voltage regulator |
| 08/26/1992 | EP0499645A1 Differential amplifying circuit of operational amplifier |
| 08/26/1992 | CN1063945A Frequency compensated circuit |
| 08/25/1992 | US5142240 Amplifier circuit with correction of amplitude and phase distortions |
| 08/25/1992 | US5142239 High frequency linear amplifier assembly |
| 08/20/1992 | WO1992014301A1 Gain linearity correction circuit for mos circuits |
| 08/19/1992 | EP0499346A1 A method of testing an amplifier to establish its distortion characterstics due to intermodulation products |
| 08/19/1992 | EP0499308A1 Multi-stage amplifier with capacity nesting and multi-path forward feeding for frequency compensation |
| 08/19/1992 | EP0499116A1 Compact RF power generator system |
| 08/18/1992 | US5140282 Current amplifier arrangement |
| 08/18/1992 | US5140279 Slew rate enhanced linear amplifier |
| 08/18/1992 | US5140181 Reference voltage source circuit for a Darlington circuit |
| 08/13/1992 | DE4104064A1 High power LC filter e.g. for Rf generator - has coils surrounded by magnetic cores with large surface contacts to filter housing |
| 08/12/1992 | EP0498456A1 Predistorter and method for linearization of electronic and optical signals |
| 08/11/1992 | US5138278 Broadband signal amplifier |
| 08/11/1992 | US5138276 Distortion-compensated differential circuit |
| 08/11/1992 | US5138275 Predistortion linearizer for microwave power amplifiers |
| 08/11/1992 | US5138274 Linear amplifier circuit |
| 08/06/1992 | WO1992013388A1 Solid state audio amplifier emulating a tube audio amplifier |
| 08/05/1992 | EP0497581A2 Low noise voltage-biasing amplifier circuit for magnetoresistive element |
| 08/05/1992 | EP0497319A1 Semiconductor integrated circuit device having substrate potential detection circuit |
| 08/04/1992 | US5136257 RF amplifier bias circuit |
| 08/04/1992 | US5136255 Amplifier circuit |
| 08/02/1992 | WO1992014325A1 Transmission of multiple carrier signals in a nonlinear system |
| 08/02/1992 | CA2101071A1 Transmission of multiple carrier signals in a nonlinear system |
| 07/29/1992 | EP0496449A1 Switching bridge amplifier |
| 07/29/1992 | EP0495921A1 Stabilizing circuit for feedback rf amplifier |
| 07/28/1992 | US5134718 Fast phase shift adjusting method and device for linear transmitter |
| 07/23/1992 | WO1992012572A1 Improved switching amplifier |
| 07/21/1992 | US5133014 Semiconductor emulation of tube amplifiers |
| 07/21/1992 | US5132639 Predistorter for linearization of electronic and optical signals |
| 07/21/1992 | US5132632 Frequency multiplier |
| 07/15/1992 | CN1062816A Dynamically biased amplifier |
| 07/14/1992 | US5130669 Apparatus for driving a mechanical resonator from a high impedance source |
| 07/14/1992 | US5130668 Amplifier arrangement with time constant control |
| 07/14/1992 | US5130666 Balanced microphone preamplifier in cmos technology |
| 07/14/1992 | US5130663 Feed forward amplifier network with frequency swept pilot tone |
| 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 |
| 07/08/1992 | CN2109662U Pre-set working state audio frequency power amplifier |
| 07/08/1992 | CN1062627A Linear amplifier |
| 07/07/1992 | US5128631 Operational amplifier having improved slew rate |
| 07/05/1992 | WO1992012571A1 A method and apparatus for optimizing the performance of a power amplifier circuit |
| 07/05/1992 | CA2073327A1 Method and apparatus for optimizing the performance of a power amplifier circuit |
| 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 | EP0491980A1 Voltage regulator including CMOS transconductance amplifier with dynamic biasing |
| 06/30/1992 | US5127059 Audio amplifiers |
| 06/30/1992 | US5126687 Amplifier system for automatically minimizing distortion |
| 06/30/1992 | US5126586 Wideband differential voltage-to-current converters |
| 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 | EP0491488A1 Low distortion, low noise, amplifier |
| 06/24/1992 | CN2108379U Series-parallel feedback wide-band transistor amplifier |
| 06/23/1992 | US5124667 Wideband amplifier having separate outputs |
| 06/23/1992 | US5124665 Circuit for reducing distortion produced by an r.f. power amplifier |
| 06/23/1992 | US5124575 Circuit array for setting the operating point of a transistor |
| 06/23/1992 | US5123732 Optical time domain reflectometer and current voltage converter for use therein |
| 06/22/1992 | WO1992011693A1 Wave propagation signal transmission device and applications thereof for amplifiying such signals |
| 06/18/1992 | WO1992011702A1 Dynamically biased amplifier |
| 06/18/1992 | WO1992011694A1 Feed forward distortion minimization circuit |
| 06/17/1992 | EP0490654A2 Output buffer |
| 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 | 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 | DE4039670A1 Compression amplifier with offset compensation - has feedback network delivering regulating current on input voltage amplitude to current-voltage multiplier |
| 06/16/1992 | US5123031 Control voltage generator in a transmitter arrangement for digitally modulated signals |
| 06/16/1992 | US5122915 Low-noise preamplifier for magneto-resistive heads |
| 06/16/1992 | US5122730 Voltage divider for a wide band domino effect high voltage regulator |
| 06/16/1992 | CA1303751C System for compensating for offset voltages in comparators |
| 06/11/1992 | WO1992010027A1 Composite bridge amplifier |
| 06/11/1992 | WO1992009898A1 Piezoresistive sensor arrangement, e.g. for the passenger protection system of a vehicle |
| 06/10/1992 | EP0489276A1 Modulation device for a high-frequency power amplifier |
| 06/09/1992 | US5121084 Balance and protection for stacked RF amplifiers |
| 06/09/1992 | US5121082 Buffer circuit |
| 06/09/1992 | US5121080 Amplifier with controlled output impedance |
| 06/09/1992 | US5121077 Circuit for reducing distortion produced by an r.f. power amplifier |
| 06/03/1992 | EP0488545A2 Ultrasonic doppler blood-flow meter |
| 06/03/1992 | EP0488443A1 Amplifier circuit with temperature compensation |
| 06/03/1992 | EP0488385A1 Fet amplifier with gate voltage control |
| 06/03/1992 | EP0488315A2 A balanced cascode current mirror |
| 06/03/1992 | EP0488056A1 Noise isolated amplifier circuit |
| 06/03/1992 | EP0487688A1 Low offset unity gain buffer amplifier |
| 06/02/1992 | US5119392 Second-order predistortion circuit for use with laser diode |
| 06/02/1992 | US5119042 Solid state power amplifier with dynamically adjusted operating point |
| 06/02/1992 | US5119040 Method and apparatus for optimizing the performance of a power amplifier circuit |
| 06/02/1992 | US5119038 CMOS current mirror with offset adaptation |
| 06/02/1992 | US5119015 Stabilized constant-voltage circuit having impedance reduction circuit |
| 06/02/1992 | US5118997 Dual feedback control for a high-efficiency class-d power amplifier circuit |