Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
05/1996
05/07/1996US5515010 Dual voltage level shifted, cascoded current mirror
05/07/1996US5515007 Triple buffered amplifier output stage
05/07/1996US5515006 Low distortion efficient large swing CMOS amplifier output
05/07/1996US5515005 Operational amplifier
05/07/1996US5515003 Operational amplifier
05/07/1996US5515002 Power amplifier for feeding an inductive load having switched transistors
05/07/1996US5514999 Differential switched capacitor circuit
05/07/1996US5514985 Virtual amplifier
05/07/1996US5514950 Differential pair arrangement
05/07/1996US5514949 Current mirror with at least one PNP-transistor
05/07/1996US5514948 Reference voltage generating circuit
05/02/1996WO1996013095A1 A second generation low noise microwave voltage controlled oscillator
05/01/1996EP0465668B1 Head amplifier
04/1996
04/30/1996US5513389 Push pull buffer with noise cancelling symmetry
04/30/1996US5513094 Switch-mode power supply for bridged linear amplifier
04/30/1996US5512859 Amplifier stage having compensation for NPN, PNP beta mismatch and improved slew rate
04/30/1996US5512858 Amplifier stage with low thermal distortion
04/30/1996US5512857 Class AB amplifier allowing quiescent current and gain to be set independently
04/30/1996US5512850 Switched high-slew rate buffer
04/30/1996US5512848 Offset comparator with common mode voltage stability
04/30/1996US5512814 In a semiconductor circuit
04/30/1996CA2109506C High dynamic range modulation independent feed forward amplifier network
04/30/1996CA2075890C Amplifier system having improved distortion reduction
04/25/1996WO1996012342A1 Am-fm transmitter power amplifier using class-bc
04/24/1996EP0708525A1 Power amplifier stage delivering a square wave signal with regulated amplitude
04/24/1996EP0708524A2 Amplifier with multiple switched stages
04/24/1996EP0708523A2 Method and apparatus for compensating thermal time constants in an electronic amplifier
04/24/1996EP0504308B1 Fiber optic transimpedance receiver
04/24/1996CN1121232A Sampling circuit, signal amplifier, and image display
04/23/1996US5510754 Fast slewing amplifier using dynamic current mirrors
04/23/1996US5510753 Composite bridge amplifier with output overload and thermal protection
04/23/1996US5510750 Bias circuit for providing a stable output current
04/23/1996US5510745 High-speed electronic circuit having a cascode configuration
04/23/1996US5510738 CMOS programmable resistor-based transconductor
04/18/1996WO1996011536A1 Wireless diffuse infrared lan system
04/18/1996CA2203411A1 Wireless diffuse infrared lan system
04/17/1996EP0707379A1 Tunable quadrature phase shifter
04/17/1996EP0707255A1 Cascaded multiplying current mirror driver for led's
04/17/1996EP0706729A1 Signal conditioning apparatus
04/17/1996EP0706715A1 Electrical charge transfer apparatus
04/17/1996CN1120687A Power supply for a computer including a sound signal amplifying circuit
04/16/1996US5509078 Circuit for preventing crosstalk
04/16/1996US5508663 Pulse width modulation amplifier
04/16/1996US5508656 Amplifier with offset correction
04/16/1996US5508646 Controlled feedback charge-to-voltage converter
04/16/1996US5507171 Electronic circuit for a transducer
04/14/1996CA2156947A1 Cascaded multiplying current mirror driver of led's
04/12/1996CA2159877A1 Tunable quadrature phase shifter
04/11/1996WO1996010827A1 Switched capacitor analog circuits with low input capacitance
04/11/1996WO1996010754A1 High side, current sense amplifier using a symmetric amplifier
04/10/1996EP0706263A1 Comparator circuit operating on variable current
04/10/1996EP0706260A1 High efficiency bridge amplifier
04/10/1996EP0705497A1 Low noise oscillators and tracking filters
04/10/1996EP0705438A1 Measurement amplifier
04/10/1996CN1120266A Circuit for compensating an amplifier
04/09/1996US5506543 Circuitry for bias current generation
04/09/1996US5506536 Differential amplifier with exponential gain characteristic
04/09/1996US5506532 Output limiter for class-D BICMOS hearing aid output amplifier
04/09/1996US5506493 Switching regulator and amplifier system
04/09/1996US5506441 Semiconductor device having pair of transistors
04/09/1996CA2102661C Differential amplifier circuit using quadritail circuit
04/04/1996WO1996010292A1 Coplanar waveguide-mounted flip chip
04/04/1996WO1996010291A1 Low noise amplifier for microphone
04/03/1996EP0704994A1 Photodetector circuit with actively damped tuned input
04/03/1996EP0704965A1 Transistor device for super high frequency power amplifiers
04/03/1996EP0704964A2 Power sharing system for high power RF amplifiers
04/03/1996CN1119801A Power amplifier with clipping level control
04/02/1996USH1526 Hydrophone preamplifier
04/02/1996US5504458 CMOS class AB amplifier for driving capacitive and resistive loads
04/02/1996US5504456 Low noise wide band amplifier
04/02/1996US5504444 For displaying video image information on a liquid crystal display
04/02/1996CA2053476C Power amplifier and mobile radio apparatus with the same
03/1996
03/31/1996CA2156338A1 Photodetector circuit with actively damped tuned input
03/30/1996CA2158330A1 Power sharing system for high power rf amplifiers
03/28/1996DE19504289C1 Integrated current source circuit
03/27/1996EP0703662A2 Power amplifier having multiple switched stages
03/27/1996EP0703661A2 An apparatus for biasing a fet with a single voltage supply
03/27/1996EP0702856A1 Methods and apparatus for connecting and conditioning audio signals
03/27/1996CN1119370A Tri-state video differential driver
03/26/1996US5502810 Optical transmission system
03/26/1996US5502413 Switchable constant gain summing circuit
03/21/1996WO1996008857A1 A low noise photon coupled circuit
03/21/1996DE19534382A1 Monolithic IC with microwave power amplifier for mobile communications equipment
03/20/1996EP0701748A1 Four quadrant current mode switching amplifier
03/19/1996US5500625 Controlled current output stage amplifier circuit and method
03/19/1996US5500624 Input stage for CMOS operational amplifier and method thereof
03/19/1996US5500623 Differential amplifier circuit with almost linear transconductance
03/19/1996US5500621 Travelling-wave tube protection arrangement
03/19/1996US5500617 Clamping circuit for adjusting a level of a transmitted signal at a predetermined voltage
03/14/1996WO1996008079A1 Power supply modulator circuit for transmitter
03/14/1996DE4444622C1 Drive circuit arrangement, esp. for intermediate frequencysignals in TV set
03/14/1996DE4432119A1 Air-cooled transmitter amplifier
03/14/1996DE4431117A1 Schaltung für den Empfang eines Wechsellicht enthaltenden Lichtsignals Circuit for receiving a modulated light containing light signal
03/13/1996EP0701332A1 Variable gain circuit and radio apparatus using the same
03/13/1996EP0701321A1 Circuit and method of cancelling leakage current in an analog array
03/13/1996EP0701234A1 Transmitter for pulsed electronic article surveillance systems
03/13/1996EP0700597A1 Differential audio line receiver
03/13/1996CN1118641A An operational transconductance amplifier with matched outputs
03/13/1996CN1118640A A differential amplifier with common mode bias
03/12/1996US5499176 Pulse transformer circuit for isolating electrical signals