Patents
Sitemap › H03 - Basic electronic circuitry › H03F - Amplifiers › 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)
08/2010
08/19/2010US20100207691 Phase mismatch compensation device
08/19/2010US20100207690 Method of applying wire voltage to semiconductor device
08/19/2010DE102010001694A1 Klasse-AB-Ausgangsstufe Class-AB output stage
08/19/2010DE102004001236B4 Leistungsverstärkeranordnung mit Antenne sowie deren Verwendung und Verfahren zum Verstärken und Abstrahlen eines Signals Power amplifier arrangement with antenna, as well as their use and methods for amplifying and emitting a signal
08/18/2010EP2218176A2 Low noise amplifier
08/18/2010EP2218175A2 Switching amplifiers
08/18/2010CN201557090U CMOS comparer
08/18/2010CN201557083U Low-pass power combiner
08/18/2010CN201557082U Front circuit connected with digital amplifier
08/18/2010CN201556693U Symmetrical coupling wave and guiding and traveling wave power synthesizing amplifier
08/18/2010CN1929296B Chopper amplifier circuit and semiconductor device
08/18/2010CN101809864A Power amplifying circuit, and transmitter and wireless communication device using the same
08/18/2010CN101809863A Automatic common-mode rejection calibration
08/18/2010CN101807908A Composite driving device and method thereof
08/18/2010CN101807893A Large-bandwidth continuous time common-mode feedback circuit and design method thereof
08/18/2010CN101807892A Line driver with function of automatically adjusting output impedance
08/18/2010CN101807891A Front-end amplifier circuit based on magnetoelectric transducer made of relaxor ferroelectric material
08/18/2010CN101807890A RF power amplifier and RF power module using the same
08/18/2010CN101807889A Class d amplifier
08/18/2010CN101807888A Class d amplifier
08/18/2010CN101807887A Class d amplifier
08/18/2010CN101807886A Radio frequency power amplifying device and analog predistortion correction method thereof
08/18/2010CN101807885A Method and circuit for controlling output signals of trans-impedance amplifier
08/18/2010CN101807883A Single-ended input and differential output low-noise amplifier applied in UWB system
08/18/2010CN101806771A Preamplifier circuit device of polarograph and method
08/18/2010CN101226207B Active variable impedance synthesizer
08/17/2010US7778365 Satellite TWTA on-line non-linearity measurement
08/17/2010US7778351 Tunable CMOS receiver apparatus
08/17/2010US7777575 Circuit with single-ended input and differential output
08/17/2010US7777574 Closed loop ramp up for pop and click reduction in an amplifier
08/17/2010US7777573 Operational amplifier having adjustable bias current and related source driver of display thereof
08/17/2010US7777572 Integrated power amplifier
08/17/2010US7777571 High frequency power amplifier
08/17/2010US7777570 Transformer power combiner having secondary winding conductors magnetically coupled to primary winding conductors and configured in topology including series connection and parallel connection
08/17/2010US7777569 Anti-pop method and apparatus for class AB amplifiers
08/17/2010US7777568 High frequency receiver preamplifier with CMOS rail-to-rail capability
08/17/2010US7777567 RF power amplifier stability network
08/17/2010US7777565 Differential amplification circuit and manufacturing method thereof
08/17/2010US7777564 Amplifier using sigma-delta modulation and method for adjusting errors of the amplifier thereof
08/17/2010US7777563 Spread spectrum pulse width modulation method and apparatus
08/17/2010US7777562 Distortion suppression circuit for digital class-D audio amplifier
08/17/2010US7777168 Image sensor circuit and method comprising one-transistor pixels
08/17/2010CA2342419C Apparatus and method for use in disconnecting and/or replacing one of a plurality of power amplifiers in a transmitter while the transmitter is operating
08/12/2010WO2010090926A2 Power amplifier with reconfigurable direct current coupling
08/12/2010WO2010090202A1 Radio-frequency power amplifier
08/12/2010WO2010089971A1 Power amplifier and power amplification method
08/12/2010US20100202635 Single supply headphone driver/charge pump combination
08/12/2010US20100202178 Offset removal circuit, associative memory including the same, and offset voltage removal method
08/12/2010US20100201450 Controlling amplifier input impedance
08/12/2010US20100201447 Radio-frequency circuit
08/12/2010US20100201446 Class AB Output Stage
08/12/2010US20100201445 Class D Amplifier Having PWM Circuit With Look-Up Table
08/12/2010US20100201444 Signal Modulation for Switched Mode Power Amplifiers
08/12/2010US20100201443 Reduction of dead-time distortion in class d amplifiers
08/12/2010US20100201441 Amplifying device
08/11/2010EP2216902A1 Bias circuit and method for controlling bias circuit
08/11/2010EP2216901A1 Efficient composite amplifier
08/11/2010EP2215719A1 Matched integrated electronic components
08/11/2010EP1345322B1 Power amplifier and communication apparatus
08/11/2010CN201550265U Hifi class D acoustics for automobile
08/11/2010CN201550081U Signal power amplifying circuit of single-phase meter
08/11/2010CN201550080U Power amplifier
08/11/2010CN201550019U Switching power supply with turn-on overshoot preventing circuit
08/11/2010CN101803185A Audio power amplifier
08/11/2010CN101803184A High output power amplifier, wireless transmitter, wireless transmitting and receiving device, and high output power amplifier mounting method
08/11/2010CN101803183A Local broadcasting system
08/11/2010CN101803182A linear rf amplifier with polar feedback
08/11/2010CN101800529A Pulse signal modulation and power amplification circuit
08/11/2010CN101800522A Tunable ferro-electric filter
08/11/2010CN101800519A Operational amplifier and method for reducing offset voltage of the same
08/11/2010CN101800518A Radio frequency power amplifier
08/11/2010CN101394152B Radio frequency power amplifier circuit
08/11/2010CN101388649B Low non-linear power amplifier
08/10/2010US7773955 Radio frequency unit analog level detector and feedback control system
08/10/2010US7773702 Gain control for a receiver in a multi-carrier communication system
08/10/2010US7773007 Signal processing device and method, signal processing program, and recording medium where the program is recorded
08/10/2010US7772926 Setting the DC operating current of a rail-to-rail output stage of an op-amp
08/10/2010US7772924 Apparatus and method for controlling a common-mode voltage of switching amplifiers
08/10/2010US7772537 Linear distributed pixel differential amplifier having mirrored inputs
08/05/2010WO2010088130A2 Dynamic thermal management system and method
08/05/2010WO2010088113A2 Amplification system for interference suppression in wireless communications
08/05/2010WO2010088110A2 Amplification system for interference suppression in wireless communications
08/05/2010WO2010062533A3 Power amplifier saturation detection
08/05/2010US20100194617 Transimpedance amplifier and analog-digital converter circuit
08/05/2010US20100194543 Accurate persistent nodes
08/05/2010US20100194481 Rf power amplifier and rf power module using the same
08/05/2010US20100194480 Amplifying device
08/05/2010US20100194479 Amplifier circuit and methods of operation thereof
08/05/2010US20100194477 Op-amp circuit
08/05/2010US20100194476 Amplifier compression adjustment circuit
08/05/2010US20100194473 Power amplifier with reconfigurable direct current coupling
08/05/2010US20100193798 Source follower circuit or bootstrap circuit, driver circuit comprising such circuit, and display device comprising such driver circuit
08/05/2010US20100193667 Acquisition circuit comprising a buffer capacitor
08/04/2010EP2214307A1 Power amplifying circuit, and transmitter and wireless communication device using the same
08/04/2010EP2212993A1 Low noise, low power and high bandwidth capacitive feedback trans-impedance amplifier with differential fet input and bipolar emitter follower feedback
08/04/2010EP2212992A1 Improved amplifying device
08/04/2010EP2067253B1 Amplifier architecture for polar modulation
08/04/2010EP1451928B1 Compensation circuit for frequency filters
08/04/2010CN201541242U Operational amplifier circuit for processing photoelectric signal
08/04/2010CN201541241U Coaxial integrated GPS line amplifier
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