Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
03/1996
03/12/1996US5498997 Transformerless audio amplifier
03/12/1996US5498996 High-power, high-fidelity tube amplifier
03/12/1996US5498984 High side, current sense amplifier using a symmetric amplifier
03/12/1996US5498953 HCM based transconductor circuits
03/12/1996US5498952 Precise current generator
03/12/1996US5498865 Illuminant discriminator
03/07/1996WO1996007084A1 Circuit for setting the operating point of an opto-electronic component
03/07/1996WO1995035595A3 Differential amplifier with common-mode rejection for low supply voltages
03/07/1996CA2198002A1 Circuit for setting the operating point of an opto-electronic component
03/06/1996EP0700165A2 Portable transceiver
03/06/1996EP0700157A2 Comparator with hysteresis in bipolar technology
03/06/1996EP0700152A1 Impedance matching circuit
03/06/1996EP0700151A1 Power amplifier stage of the follower type
03/06/1996EP0700090A1 Semiconductor integrated circuit comprising a current mirror circuit
03/06/1996EP0699359A1 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar
03/05/1996US5497124 Class AB push-pull drive circuit, drive method therefor and class AB electronic circuit using the same
03/05/1996US5497123 Amplifier circuit having high linearity for cancelling third order harmonic distortion
03/05/1996US5497122 Low power class-AB integrated circuit amplifier
03/05/1996US5497120 Differential amplifier circuit having a bias circuit with a differential amplifier
03/05/1996US5497074 Balanced voltage-to-current converter with quiescent current control
03/05/1996US5497053 Micro-electron deflector
03/05/1996US5497050 Active RF cavity including a plurality of solid state transistors
02/1996
02/28/1996CN1117774A An amplifier for use in a radiotelephone
02/27/1996US5495358 Optical transceiver with improved range and data communication rate
02/27/1996US5495249 Ground surveillance radar device, especially for airport use
02/27/1996US5495217 Compact hybrid microwave choke
02/27/1996US5495201 Transconductor stage
02/27/1996US5495100 Phase difference detecting method, circuit and apparatus
02/27/1996CA2081628C High-frequency power divider-combiner
02/21/1996EP0697766A1 Buffer circuit with wide dynamic range
02/21/1996EP0697150A1 Adjustable resistance device with control circuit
02/20/1996US5493705 Transmission control circuit for use in TDMA communication devices
02/20/1996US5493255 Bias control circuit for an RF power amplifier
02/20/1996US5493254 Amplifier including circuit for reducing input capacitance
02/20/1996US5493253 Semiconductor integrated circuit
02/20/1996US5493250 Adjustable resistance device including first and second arrangements of a resistor and a positive-feedback transconductor, and a control circuit for controlling the resistances of the first and second arrangements
02/20/1996US5493246 Circuit and method of canceling leakage current in an analog array
02/20/1996US5493205 Low distortion differential transconductor output current mirror
02/15/1996WO1996004711A1 Signal conditioning apparatus and method exhibiting accurate input impedance and gain characteristics over common mode range and operational environments
02/15/1996DE19528501A1 Current sensor with signal compensation for polarity inversion
02/14/1996EP0696847A2 Voltage-to-current converting circuit operating with low supply voltage
02/14/1996EP0696845A2 Variable resistor and gain control circuit and integrated circuit having the variable resistor
02/14/1996EP0696844A1 Operational amplifier
02/14/1996EP0696802A2 Precharged bit decoder and sense amplifier with integrated latch usable in pipelined memories
02/14/1996EP0696741A2 Bipolar cascadable circuit for signal limiting and field strength detection
02/14/1996EP0489927B1 Light-receiving circuit
02/14/1996CN1116887A A method for adjusting transmission power, and a base station
02/13/1996US5491455 Differential-to-single ended translator that generates an output signal with very small signal distortion
02/13/1996US5491449 Dual-sided push-pull amplifier
02/13/1996US5491448 Class AB output stage with improved frequency stability
02/13/1996US5491447 Operational transconductance amplifier with independent transconductance and common mode feedback control
02/13/1996US5491443 Very low-input capacitance self-biased CMOS buffer amplifier
02/13/1996US5491441 Method and apparatus for generating a clock signal from a continuous oscillator signal including a translator circuit
02/13/1996US5491437 Amplifier circuit and method
02/13/1996US5491434 Circuit and method of differential amplitude detection
02/13/1996US5491433 Cascode array cell partitioning for a sense amplifier of a programmable logic device
02/08/1996WO1996003806A1 Servo-amplifier for controlling a high-ohmic low-voltage source
02/08/1996WO1996003626A1 Ultra low noise optical receiver
02/08/1996DE19503036C1 Differential amplifier with two inputs, each with two complementary inputs
02/08/1996CA2195442A1 Servo-amplifier for controlling a high-ohmic low-voltage source
02/07/1996CN1116463A Apparatus and method for frequency compensating an operational amplifier
02/07/1996CN1116376A Push-pull power amplifier module for cable TV
02/06/1996US5489877 Broadband amplifier having uniform frequency response
02/06/1996US5489876 Low-noise amplifier with high input impedance, particularly for microphones
02/06/1996US5489872 Transconductance-capacitor filter circuit with current sensor circuit
02/01/1996WO1996002974A1 An improvement in amplifiers
02/01/1996WO1995035563A3 Arrangement comprising a magnetic write head, and write amplifier with capacitive current compensation
02/01/1996DE4425842A1 Cathode current regulator for TWT
02/01/1996DE19525763A1 Push=pull RF power amplifier
02/01/1996DE19504290C1 Transimpedance amplifier circuit with feedback-coupled voltage amplifier
01/1996
01/31/1996EP0695106A1 Circuit and method for driving alternatively electric loads with low impedance
01/31/1996EP0695030A1 Transconductor stage with controlled gain
01/31/1996EP0695029A1 Microwave amplifier circuit
01/31/1996EP0694229A1 Multistage amplifier with hybrid nested miller compensation
01/31/1996CN1115920A Amplifier with constant current and constant voltage feeding
01/30/1996US5488330 Bias circuit for controlling bias voltage of differential amplifier
01/30/1996US5488321 Static high speed comparator
01/30/1996US5488249 Differential analog transistors constructed from digital transistors
01/25/1996DE4426157A1 HF amplifier for wide-band carrier frequency devices
01/25/1996DE4426076A1 Push=pull amplifier for transmission and amplification AC signals
01/25/1996DE4425901A1 Regelverstärker zur Steuerung einer hochohmigen Niedersapnnungsquelle Control amplifier for controlling a high-impedance Niedersapnnungsquelle
01/24/1996EP0693843A1 Digital AM transmitter
01/24/1996EP0693722A2 Cathode current regulator, in particular for an amplifier of a travelling-wave tube
01/24/1996CN1115520A Isolated amplifier
01/23/1996US5486790 Multistage amplifier with hybrid nested miller compensation
01/23/1996US5486787 Monolithic microwave integrated circuit apparatus
01/23/1996US5486780 Tri-stateable current mirror sense amplifier
01/23/1996CA2065199C Polyphase divider/combiner
01/18/1996WO1996001526A1 Compact hybrid microwave choke
01/17/1996EP0692869A2 Power amplifier with clipping level control
01/17/1996EP0692825A2 Analogue MISFET with threshold voltage adjuster
01/17/1996EP0692163A1 Radio repeater
01/17/1996CN1115136A Amplifier circuit
01/16/1996US5485124 Integrated amplifier with an accurately defined gain factor
01/16/1996US5485123 Circuit configuration for adjusting the quadrature-axis current component of a push-pull output stage
01/16/1996US5485121 Amplifier arrangement with multipath miller zero cancellation
01/16/1996US5485119 MOS transconductance amplifier having squaring circuit for LSI implementation
01/16/1996US5485118 Non-uniformly distributed power amplifier
01/16/1996US5485074 High ratio current mirror with enhanced power supply rejection ratio
01/11/1996WO1996000519A1 Electrical power amplifier for continuous cardiac output monitoring