Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
10/1996
10/10/1996WO1996031948A2 Differential amplifier with signal-dependent offset, and multi-step dual-residue analog-to-digital converter including such a differential amplifier
10/10/1996WO1996031947A2 Offset-compensated linear rf detector
10/10/1996WO1996031946A2 A linearizer for linearizing a non-linear component controlled by control voltage
10/10/1996WO1996031945A2 An amplifier stage having a switchable gain and reduced distortion
10/10/1996DE19549356A1 Linear amplifying appts. for use in cellular radio communications
10/10/1996DE19512754A1 Power amplifier e.g. for audio and television signals
10/10/1996DE19512383A1 Class=D audio power amplifier
10/09/1996EP0737003A1 CCD register readout amplifier
10/09/1996EP0736970A1 Amplitude adjust circuit and method thereof
10/09/1996EP0736969A1 Differential voltage amplifier
10/09/1996EP0736968A2 Offset cancelling amplifier circuit
10/09/1996EP0736967A2 A preamplifier
10/09/1996EP0736902A2 Integrated circuit device and method for fabricating integrated circuit device
10/08/1996US5564089 Current controlled variable frequency oscillator having an improved operational transconductance amplifier
10/08/1996US5563551 For use at a center frequency
10/08/1996US5563526 Programmable mixed-mode integrated circuit architecture
10/08/1996US5563437 Semiconductor device having a large sense voltage
10/08/1996CA2108019C Differential transimpedance amplifier
10/03/1996WO1996031000A1 Sound system gain and equalization circuit
10/03/1996WO1996030999A1 Improved coupling circuit
10/03/1996WO1996030998A1 Amplifying circuit
10/02/1996EP0735677A1 Oscillator circuit having oscillation frequency independent from the supply voltage value
10/02/1996EP0735669A2 Switched capacitor differential circuits
10/02/1996EP0735603A1 Circuit for processing a first or a second high frequency signal
10/02/1996CN1132434A Power stage bias circuit with improved efficiency and stability
10/01/1996US5561397 Solid state amplifier for microwave transmitter
10/01/1996US5561396 Rail-to-rail input stages with gm -control by multiple input pairs
10/01/1996US5561300 Atomic switching devices and logical circuits
10/01/1996US5561288 Biasing voltage cancellation circuit having a plurality of switches serially connected to a capacitor
09/1996
09/26/1996WO1996029778A1 Method and device for electrically controlling low-resistance loads
09/26/1996WO1996019865A3 An amplifying circuit
09/26/1996DE19536431C1 Integrated microwave silicon component, e.g. as 50 Ohm wideband preamplifier, oscillator or mixer
09/26/1996DE19508685A1 Current control module for load circuit having several parallel-connected power semiconductors
09/25/1996EP0734118A1 Bias control circuit for an RF power amplifier
09/25/1996CN1131844A Film bulk acoustic wave device
09/24/1996US5559646 For reading out an information signal from a magnetic record carrier
09/24/1996US5559472 Loss compensated gain cell for distributed amplifiers
09/24/1996US5559469 Vacuum tube amplifier with selectable power devices
09/24/1996US5559467 Digital, pulse width modulation audio power amplifier with noise and ripple shaping
09/24/1996US5559425 Voltage regulator with high gain cascode mirror
09/19/1996DE19509295A1 Common-base transistor amplifier circuit for FM radio stage
09/18/1996EP0732807A2 Controllable filter arrangement
09/18/1996EP0732004A1 Switch-mode power supply for a power amplifier
09/18/1996CN1131359A Rf power amplifier with increased efficiency at low power
09/17/1996US5557240 Power supply for a computer including a sound signal amplifying circuit
09/17/1996US5557239 Direct current offset compensating circuit of an audio system
09/17/1996US5557238 Differential amplifier with common mode regulation
09/17/1996US5557234 Differential amplifier with mismatch correction using floating gates
09/17/1996US5557194 Reference current generator
09/12/1996WO1996027944A1 Common mode signal and circuit fault detection in differential signal detectors
09/12/1996DE19508027A1 Integrated circuit for amplifier with offset compensation
09/11/1996EP0731557A1 Voltage reproduction device with improved linearity
09/11/1996EP0731403A2 Constant current source
09/11/1996EP0730793A1 Coplanar waveguide-mounted flip chip
09/11/1996EP0445139B1 Multiple rf signal amplification apparatus
09/11/1996CN1130822A Monolithic integrated circuit device having microwave power amplifier
09/10/1996US5554957 Programmable function current mode signal module
09/10/1996US5554951 Signal conditioning apparatus and method exhibiting accurate input impedance and gain characteristics over common mode range and operational environments
09/10/1996US5554943 Analog to digital converter having a magnitude amplifier with an improved differential input amplifier
09/06/1996WO1996027239A1 Cmos programmable resistor-based transconductor
09/06/1996WO1996027238A1 Low distortion differential transconductor output current mirror
09/06/1996WO1996027237A1 Continuous time programmable analog block architecture
09/06/1996WO1996027235A1 Active resistor for stability compensation
09/04/1996EP0730345A2 Variable gain circuit
09/04/1996EP0730344A1 Single pole negative feedback for class-D amplifier
09/04/1996EP0730343A1 Improvements in transconductor circuits
09/04/1996EP0730342A1 Ultra-wideband receiver circuit
09/04/1996EP0730214A2 Current mirror in MOS technology with adjustable cascade stages
09/04/1996EP0729670A1 A bidirectional amplifier
09/04/1996EP0729669A1 Dual-sided push-pull amplifier
09/04/1996CN2234665Y Semiconductor power amplifier
09/04/1996CN1130448A Amplifier stage with DB-linear output voltage
09/03/1996US5553029 Precharged bit decoder and sense amplifier with integrated latch usable in pipelined memories
09/03/1996US5552741 High impedance common-emitter amplifier stage
09/03/1996US5552730 Mos differential voltage-to-current converter circuit with improved linearity
09/03/1996US5552729 MOS differential voltage-to-current converter circuit with improved linearity
08/1996
08/29/1996DE19533768C1 Current sourcing circuit with cross current regulation esp. for CMOS circuit
08/28/1996EP0729226A2 Differential amplifier
08/28/1996EP0729225A1 Folding amplifier for an A/D converter
08/28/1996EP0729223A2 Voltage offset compensation circuit
08/28/1996EP0729222A1 Method and apparatus of an operational amplifier with a wide dynamic range
08/28/1996EP0728391A1 Clock-recovery circuit
08/28/1996EP0728297A1 Circuit assembly for the control of signals
08/28/1996EP0543993B1 Modular solid state radar transmitter
08/27/1996US5550513 High frequency, differential limiting distributed amplifier
08/27/1996US5550512 Method for offset voltage trim for automatic gain controls
08/27/1996US5550511 Differential amplifier having single phase input and two output phases
08/27/1996US5550510 Constant transconductance CMOS amplifier input stage with rail-to-rail input common mode voltage range
08/27/1996US5550509 Output power selection apparatus for a tube-type audio amplifier
08/27/1996US5550508 Phase inverter selection apparatus for tone alteration in a tube-type audio amplifier
08/27/1996US5550507 Demodulator employing cyclic switching of the gain factor of an operational amplifier between different predetermined values
08/27/1996US5550501 Current buffer circuit with enhanced response speed to input signal
08/27/1996US5550496 High speed I/O circuit having a small voltage swing and low power dissipation for high I/O count applications
08/27/1996US5550495 All MOS voltage to current converter
08/27/1996US5550492 Analog to digital converter using complementary differential emitter pairs
08/22/1996DE3913950C1 Logarithmic Receiver for Radars
08/22/1996DE19604239A1 High frequency power amplifier for portable communication equipment
08/21/1996EP0727108A1 Power supply modulator circuit for transmitter
08/21/1996EP0637411B1 Dc feedback circuit using sample and hold circuits
08/20/1996US5548826 Power amplifier and a transmitter including the power amplifier