H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Patents for H03F 1 - Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements (30,272)
10/2009
10/22/2009	WO2009127724A1 Differential rf amplifier
10/22/2009	US20090264145 Dynamic bias for rf power amplifiers
10/22/2009	US20090261907 Integrated circuit having on die structure providing capacitance in amplifier feedback path
10/22/2009	DE19915649B4 Transformatoranordnung für den Gegentakt-Verstärker einer Kurzwellen- oder Ultrakurzwellen-Senderendstufe Transformer arrangement for the push-pull amplifier of a short wave or ultra-short wave transmitter output stage
10/22/2009	DE102008017678A1 Amplifier e.g. audio amplifier, has three-pole e.g. MOSFET, comprising high impedance control input whose potential determines potential of current output of three-pole, where current output is connected with screen grid
10/21/2009	EP2110946A1 Differential RF amplifier
10/21/2009	CN201332386Y Signal amplifier circuit
10/21/2009	CN201332385Y Digital audio power amplifier and audio processing device
10/21/2009	CN101563842A True current limiting (TCL)
10/21/2009	CN101563841A Error correction system for a class-D power stage
10/21/2009	CN101563840A Power amplification device
10/21/2009	CN101562429A Method and device for feeding DC power to an amplifier module for a pulsed load
10/21/2009	CN100553126C Controller of radio-frequency power generator for reducing sensitivity to cable length
10/21/2009	CN100553120C Integrated power amplifier circuit and amplifying method
10/21/2009	CN100553119C Integrated power amplifier circuit and amplifying method
10/21/2009	CN100553118C Integrated power amplifier circuit and method
10/21/2009	CN100553117C Integrated power amplifier circuit and method
10/20/2009	US7606539 Adaptive predistorter coupled to a nonlinear element
10/20/2009	US7605649 Nested transimpedance amplifier
10/20/2009	US7605648 Power amplifier
10/20/2009	US7605647 Chopper-stabilized amplifier and magnetic field sensor
10/20/2009	US7605646 Low glitch offset correction circuit for auto-zero sensor amplifiers and method
10/20/2009	CA2442400C Power division multiplexing with incoherent signals and fixed power hierarchy
10/15/2009	WO2009126392A1 Amplifier design with biasing and power control aspects
10/15/2009	WO2009126386A1 Providing pre-distortion to an input signal
10/15/2009	WO2009126007A2 Method of power amplifier predistortion adaptation using compression detection and circuit thereof
10/15/2009	WO2009125555A1 High-frequency amplifier
10/15/2009	WO2009125323A1 Power amplifying unit and method for controlling a power amplifier unit
10/15/2009	WO2009099904A3 System and method of reducing click and pop noise in audio playback devices
10/15/2009	WO2008105985A9 Power combiner
10/15/2009	US20090259437 Noise measurement in video images
10/15/2009	US20090256633 Bypass Device for Microwave Amplifier Unit
10/15/2009	US20090256632 Method and apparatus for reducing frequency memory effects in rf power amplifiers
10/15/2009	US20090256631 Providing pre-distortion to an input signal
10/15/2009	US20090256630 Method of power amplifier predistortion adaptation using compression detection
10/15/2009	DE10128772B4 Verfahren und Vorrichtung zur Einschaltstrombegrenzung in Gegentaktverstärkerendstufen Method and apparatus for limiting the push-pull amplifier output stages
10/14/2009	EP2109216A1 Amplifier arrangement and signal generation method
10/14/2009	EP2109215A1 Method and system for improving linearity and efficeny of a radio transmission system
10/14/2009	EP2109214A1 Amplifier arrangement and method for signal amplification
10/14/2009	EP2108217A1 System and method for reducing noise in sensors with capacitive pickup
10/14/2009	EP1532802B1 Communication arrangement and transmission unit for information transfer by means of at least one transmission line and a circuit arrangement for connection to the transmission unit
10/14/2009	CN201328104Y Circuit for enhancing linearity and efficiency of power amplifier
10/14/2009	CN201328103Y Balance-type low-noise amplifier device
10/14/2009	CN101558556A A high efficiency modulating RF amplifier
10/14/2009	CN101557203A Power amplifier with overcurrent protection
10/14/2009	CN101557201A Class M amplifier circuit
10/14/2009	CN101557200A Power amplifier capable of regulating noise
10/14/2009	CN101557199A Radio-frequency power amplifier
10/14/2009	CN101557198A Doherty power amplifier and method for processing radio-frequency signal thereby
10/14/2009	CN101556296A Two-stage alignment bias-removing transresistance amplifier with ultra-low noise and ultra-high precision
10/14/2009	CN100550870C Broadband predistortion linearization method and system
10/14/2009	CN100550613C Difference input range-limiting amplifier
10/14/2009	CN100550609C Output circuit for amplifying and outputting the input signals
10/14/2009	CN100550608C Power amplifier and pulse-width modulated amplifier
10/14/2009	CN100550607C Output power control for a switching mode power amplifier
10/14/2009	CN100550606C Circuit apparatus with different common mode I/O voltage
10/14/2009	CN100550560C Overcurrent protection circuit
10/13/2009	US7602927 Guitar amplifier with channel-dedicated power switching
10/13/2009	US7602332 Reducing scattering center data using multi-volume aggregation
10/13/2009	US7602250 Low noise AC differential amplifier with reduced low corner frequency and current consumption
10/13/2009	US7602246 General-purpose wideband amplifier
10/13/2009	US7602244 Power amplifier bias synchronization
10/13/2009	US7602240 Power amplifier with an output matching network
10/13/2009	US7602239 Variable gain amplifier circuits
10/13/2009	US7602238 Power amplifier
10/13/2009	US7602237 Amplifying circuit
10/13/2009	CA2411450C Composite amplifier
10/08/2009	WO2009123999A1 Feedforward linearization of rf power amplifiers
10/08/2009	WO2009122298A2 An efficient peak cancellation method for reducing the peak-to-average power ratio in wideband communication systems
10/08/2009	US20090251222 Linear High Powered Integrated Circuit Amplifier
10/08/2009	US20090251219 Amplifier Arrangement and Signal Generation Method
10/08/2009	US20090251211 Feedforward linearization of rf power amplifiers
10/08/2009	US20090251210 Method And System For Gain Control And Power Saving In Broadband Feedback Low-Noise Amplifiers
10/08/2009	US20090251209 High frequency power amplifier
10/08/2009	CA2720162A1 Feedforward linearization of rf power amplifiers
10/07/2009	EP2106677A1 Rf power amplifier stability network
10/07/2009	EP2106648A2 Method and system for baseband predistortion linearization in multi-channel wideband communication systems
10/07/2009	EP1719243B1 Radio frequency low noise amplifier with automatic gain control
10/07/2009	CN201323552Y High-power IGBT (insulated gate bipolar transistor) drive power amplifying circuit
10/07/2009	CN101552598A Grid driving circuit for switching power transistor
10/07/2009	CN101552594A High-fidelity power amplifying circuit in power supply regenerator
10/07/2009	CN101552593A A driving circuit to drive an output stage
10/07/2009	CN100547914C Differential amplifier and data driver for display
10/07/2009	CN100547912C A power multiplier system and method
10/07/2009	CN100547910C High efficiency power amplification apparatus with multiple power mode
10/07/2009	CN100547909C Amplifier circuit improved in linearity and frequency band
10/07/2009	CN100547908C Distortion compensation circuit
10/06/2009	US7598807 Differential amplifier circuit, voltage regulator using the differential amplifier circuit, and method for controlling the differential amplifier circuit
10/06/2009	US7598806 Distortion compensation circuit
10/06/2009	US7598804 Amplifier circuit
10/01/2009	WO2009120577A1 Rf transmitter and method of operation
10/01/2009	WO2009120496A1 Third order derivative distortion cancellation for ultra lower power applications
10/01/2009	WO2009118824A1 Low distortion amplifier and doherty amplifier using low distortion amplifier
10/01/2009	WO2009117982A2 Method and device for compensating amplification variations in an amplifier circuit
10/01/2009	WO2008091730A8 System and method for reducing noise in sensors with capacitive pickup
10/01/2009	US20090243724 Third Order Derivative Distortion Cancellation for Ultra Low Power Applications
10/01/2009	US20090243721 Feedforward amplifier circuit and method for controlling a feedforward amplifier circuit
10/01/2009	US20090243720 Amplifiers with negative capacitance circuits
10/01/2009	US20090243719 Broadband Amplifying Device
10/01/2009	DE102009012170A1 Integrierte Verstärkerschaltung Integrated amplifier circuit

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