H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements

Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
03/2006
03/28/2006	US7019601 Device for amplifying a high frequency signal
03/28/2006	US7019594 Method and apparatus for analyzing performance of a multi-stage radio frequency amplifier
03/28/2006	US7019593 Variable-gain cascode amplifier using voltage-controlled and variable inductive load
03/28/2006	US7019592 Amplifier apparatus, method, and system
03/28/2006	US7019591 Gain boosted operational amplifier having a field effect transistor with a well biasing scheme
03/28/2006	US7019590 Self-stabilizing differential load circuit with well controlled impedance
03/28/2006	US7019588 Method to dynamically control the quiescent current of an operational amplifier arrangement and operational amplifier arrangement performing this method
03/28/2006	US7019578 Input circuit
03/28/2006	US7019508 Temperature compensated bias network
03/28/2006	US7019305 Biosensor circuit and sensor array consisting of a plurality of said biosensor circuits and biosensor array
03/23/2006	WO2006031793A1 Photodiode amplifier
03/23/2006	WO2006031784A1 Reconfigurable radiation desensitivity bracket systems and methods
03/23/2006	WO2006031704A2 Amplifier circuit and method for reducing voltage and current noise
03/23/2006	WO2006031304A2 Single supply direct drive amplifier
03/23/2006	WO2006030666A1 Buffer amplifier, driver ic, and display apparatus using that driver ic
03/23/2006	WO2006030373A1 Pulse width modulated noise shaper and related method
03/23/2006	WO2006029750A1 Tunable low noise amplifier
03/23/2006	US20060063508 Miniature bidirectional amplifier
03/23/2006	US20060063496 Communications signal amplifiers having independent power control and amplitude modulation
03/23/2006	US20060062277 Ultra-wideband signal amplifier
03/23/2006	US20060061421 Ground skimming output stage
03/23/2006	US20060061420 Bias current cancellation for differential amplifiers
03/23/2006	US20060061419 Efficient low EMI switching output stages and methods
03/23/2006	US20060061417 High-frequency power amplifier module
03/23/2006	US20060061416 High frequency power amplifier and transmitter
03/23/2006	US20060061403 Input circuit, display device and information display apparatus
03/23/2006	DE10201890B4 Schaltung und Verfahren zur Kompensation eines Hochfrequenzsignalverlustes auf einer Übertragungsleitung Circuit and method for compensating a high-frequency signal loss on a transmission line
03/23/2006	DE102005040489A1 Halbleiter-IC Semiconductor IC
03/22/2006	EP1638205A1 Driver circuit
03/22/2006	EP1636902A1 Power control for a transmitter
03/22/2006	EP1529340B1 Class d amplifier
03/22/2006	CN2766455Y Class-B power amplifier
03/22/2006	CN1751434A Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier
03/22/2006	CN1751433A Low voltage class AB transconductor circuits
03/22/2006	CN1751432A Distortion compensation device
03/22/2006	CN1750398A Gate driver with programmable dead-time insertion
03/22/2006	CN1750388A High frequency power amplifier and transmitter
03/22/2006	CN1750387A Photodetector-amplifier circuit and optical pickup device
03/22/2006	CN1750386A High-fidelity power amplifier of current mode
03/22/2006	CN1750385A High power TDD radio frequency power amplifier
03/22/2006	CN1750262A 功率放大器模块 Power Amplifier Module
03/21/2006	US7016645 Amplifier system for satellites
03/21/2006	US7016432 Contactless IC card system
03/21/2006	US7015761 Power amplifier module
03/21/2006	US7015757 Transconductance amplifier with multi-emitter structure for current balance in a multi-phase regulator
03/21/2006	US7015756 Push-pull buffer/amplifier
03/21/2006	US7015755 Stacked modulator and automatic gain control amplifier
03/21/2006	US7015754 Isolated converter with synchronized switching leg
03/21/2006	US7015750 Method for lowering noise and providing offset correction in a transimpedance amplifier
03/21/2006	US7015728 High voltage floating current sense amplifier
03/21/2006	US7015724 Device for processing an optical signal
03/21/2006	US7015722 Current-controlled CMOS circuits with inductive broadbanding
03/16/2006	WO2006028055A1 Class d amplifier
03/16/2006	WO2006028054A1 Class d amplifier
03/16/2006	WO2006027965A1 Receiving circuit and light receiving circuit
03/16/2006	WO2006027755A1 Tunable cascode lna with flat gain response over a wide frequency range
03/16/2006	WO2006027583A1 A method and apparatus for pre-conditioning an electrical signal
03/16/2006	WO2005117382A3 Multi-channel pulse modulator system
03/16/2006	WO2005104359A3 Travelling wave amplifier
03/16/2006	US20060055465 Low voltage output current mirror method and apparatus thereof
03/16/2006	US20060055464 Travelling-wave amplifier
03/16/2006	US20060055461 Gain control scheme independent of process, voltage and temperature
03/16/2006	US20060055460 Transimpedance amplifier with a high gain/bandwidth product for conversion of a DAC output current
03/16/2006	US20060055459 Method and apparatus for a linear transconductance device
03/16/2006	US20060055458 Doherty amplifier
03/16/2006	US20060055456 Phase corrected miller compensation of chopper and nested chopper amplifiers
03/16/2006	US20060055445 Multi-standard amplifier
03/16/2006	US20060055426 Fully differential input buffer with wide signal swing range
03/16/2006	US20060054790 Photodiode amplifier
03/16/2006	DE102005028260A1 Power amplifier controlling method in wireless communication system, involves producing concave inter-slot ramp control curve for reducing power of amplifier in inter-slot region between two continuous or adjacent time slots
03/16/2006	DE10143770B4 Verstärkerschaltung Amplifier circuit
03/15/2006	EP1635453A1 Tunable low noise amplifier
03/15/2006	EP1635394A1 Dc amplifier and semiconductor integrated circuit thereof
03/15/2006	EP1634392A2 Electronically tunable power amplifier tuner
03/15/2006	EP1634370A1 Amplifier using an analogue switch
03/15/2006	EP1634369A1 Amplifier impedance matching
03/15/2006	EP1468489B1 Operational amplifier having improved input offset performance
03/15/2006	EP1127406B1 High efficiency power amplifier
03/15/2006	CN2765394Y A digital power amplifier
03/15/2006	CN2765383Y Dual-power voltage balancing circuit for sound power amplifier
03/15/2006	CN1748363A Circuit arrangement and method for the accelerated switching over of an amplifier
03/15/2006	CN1748362A Self zeroing for critical, continuous-time applications
03/15/2006	CN1748283A High efficiency emitter for incandescent light sources
03/15/2006	CN1747367A Received signal strength measurement circuit, received signal strength detection circuit and wireless receiver
03/15/2006	CN1245799C Variable gain amplifier
03/15/2006	CN1245798C Low working voltage definite current circuit
03/15/2006	CN1245797C Bias controlling circuit and signal processing apparatus
03/15/2006	CN1245759C Multi-frequency band power amplifier
03/14/2006	US7013123 Wireless communication system
03/14/2006	US7013090 Transmitting circuit apparatus and method
03/14/2006	US7012969 Distortion compensating apparatus
03/14/2006	US7012475 Method and apparatus for effecting high-frequency amplification or oscillation
03/14/2006	US7012469 Integrated circuit device having high efficiency at the time of low power output
03/14/2006	US7012468 Circuit configuration and method for reducing the 1/f noise of MOSFETs
03/14/2006	US7012467 Apparatus and method for compensating operating current in an amplifier when supply voltage varies
03/14/2006	US7012466 Voltage-to-current converter
03/14/2006	US7012465 Low-voltage class-AB output stage amplifier
03/14/2006	US7012464 Method and circuit for a dual supply amplifier
03/14/2006	US7012463 Switched capacitor circuit with reduced common-mode variations
03/14/2006	US7012410 Regulating system

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