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)
07/2010
07/20/2010US7760028 Transformer circuit
07/20/2010US7760026 Switched capacitor voltage converter for a power amplifier
07/20/2010US7760025 Multi-primary distributed active transformer amplifier power supply and control
07/20/2010US7760023 Method and apparatus for stabilizing RF power amplifiers
07/20/2010US7760022 Amplifier circuit
07/20/2010US7760021 Variable gain amplifier
07/20/2010US7760020 Amplifier device
07/20/2010US7760019 Adaptive operational transconductance amplifier load compensation
07/20/2010US7760018 High-efficiency switching power amplifiers with low harmonic distortion
07/20/2010US7760015 Combination offset voltage and bias current auto-zero circuit
07/20/2010US7759991 Scannable virtual rail ring oscillator circuit and system for measuring variations in device characteristics
07/20/2010US7759981 Amplifying circuit of semiconductor integrated circuit
07/20/2010US7759973 Integrated circuit having embedded differential clock tree
07/20/2010US7759627 Display device
07/15/2010WO2010079644A1 Multi-port amplifier and wireless device using same
07/15/2010WO2010079631A1 Multiport amplifier and wireless device using the same
07/15/2010US20100176885 N-Way Doherty Distributed Power Amplifier with Power Tracking
07/15/2010US20100176884 Transconductance amplifier with improved linearity
07/15/2010US20100176883 Method for adjusting threshold voltage and circuit therefor
07/15/2010US20100176882 Transconductance amplifier with a filter for rejecting noise outside the useful band
07/15/2010US20100176881 Pulse width modulation circuit and class-d amplifier comprising the pwm circuit
07/15/2010US20100176880 Power amplifier architectures
07/15/2010US20100176849 Closed loop surge protection technique for differential amplifiers
07/15/2010US20100176275 Multipurpose Photodetector Amplifier and Control Methods
07/15/2010US20100176274 Methods and materials for detecting light released from a labeling material using self triggering excitation.
07/15/2010DE102009000126A1 Transmission-gate for integrator of pressure sensor to measure pressure in combustion chamber of combustion engine, has n-type and p-type metal oxide semiconductor transistors attached with voltage sources for providing supply voltages
07/14/2010EP2207261A1 Audio device, AV system having the audio device, and method to control the audio device
07/14/2010EP1719250B1 Load insensitive power amplifier
07/14/2010EP1428313B1 A system and method for minimizing dissipation in rf power amplifiers
07/14/2010CN201528316U Power amplifier as well as receiving device of user equipment
07/14/2010CN1926768B Signal processing device and method
07/14/2010CN101779372A High-swing operational amplifier output stage using adaptive biasing
07/14/2010CN101777878A Power amplifier for outputting bandwidth large current
07/14/2010CN101777877A Wide band radio-frequency low noise amplifier with single-ended input and differential output
07/14/2010CN101777876A Logarithmic amplifier
07/14/2010CN101775904A electronic vibrator
07/14/2010CN101304240B Voltage limiting apparatus as well as operation amplifier applying the same and circuit design method thereof
07/13/2010US7756279 Microphone preamplifier
07/13/2010US7755452 Power combiner
07/13/2010US7755435 Wideband low noise amplifiers
07/13/2010US7755434 Electronic circuit
07/13/2010US7755433 Preamplifier and optical receiving device including the same
07/13/2010US7755431 Apparatus for power amplification based on envelope elimination and restoration (EER) and push-pull switching
07/13/2010US7755430 Splitter circuit
07/13/2010US7755429 System and method for dynamic drain voltage adjustment to control linearity, output power, and efficiency in RF power amplifiers
07/13/2010US7755428 Amplifying circuit
07/13/2010US7755427 Operational amplifier and related method of enhancing slew rate
07/13/2010US7755426 Variable gain amplifier and method for achieving variable gain amplification with high bandwidth and linearity
07/13/2010US7755423 Sigma delta class D power amplifier and method thereof
07/13/2010US7755422 Power control and modulation of switched-mode power amplifiers with one or more stages
07/13/2010US7755364 Image sensor
07/13/2010US7755020 Light receiving circuit and light coupling device
07/08/2010WO2010076845A1 Polar modulation apparatus and communication device
07/08/2010WO2010076721A1 Power amplifier protection
07/08/2010WO2010076672A1 Amplifier circuitry, integrated circuit and communication unit
07/08/2010WO2010075776A1 Power amplifier equipment based on dmx protocol
07/08/2010WO2010075633A1 Push-pull linear hybrid class h amplifier
07/08/2010US20100172658 Optical receiver circuit
07/08/2010US20100172657 Optical receiver with trans-impedance responding in bit-by-bit to input signal
07/08/2010US20100172656 Optical receiver circuit and optical coupling device
07/08/2010US20100172441 Frequency translation module frequency limiting amplifier
07/08/2010US20100171561 Oscillator
07/08/2010US20100171556 Differential amplifier
07/08/2010US20100171555 Circuit for reducing duty distortion in a semiconductor memory device
07/08/2010US20100171554 Offset cancellation for dc isolated nodes
07/08/2010DE102007016092B4 Klangerzeugungsvorrichtung, insbesondere Musikverstärker Sound generating device, especially music amplifier
07/08/2010DE102005035150B4 Verstärkerschaltung und Verfahren zum Verstärken eines zu verstärkenden Signals Amplifier circuit and method for amplifying a signal to be amplified
07/07/2010EP2204906A1 Distributed active transformer amplifier with differential power combiner
07/07/2010EP2204905A1 Electronic system having common mode voltage range enhancement
07/07/2010EP2204904A2 Single supply direct drive amplifier
07/07/2010EP2204903A1 A radio station and active antenna array
07/07/2010EP2203975A1 Offset cancellation in a capacitively coupled amplifier
07/07/2010EP2203974A1 Input circuitry for transistor power amplifier and method for designing such circuitry
07/07/2010CN201523361U Staged bypass circuit for tower top amplifier
07/07/2010CN201523360U 全差分放大器 Fully Differential Amplifier
07/07/2010CN101772887A Systems and methods for saturation detection and correction in a power control loop
07/07/2010CN101771388A Multi-mode full-difference amplifier
07/07/2010CN101771387A Log amplifier based on CMOS accurate voltage amplifier
07/07/2010CN101771386A Class D audio power amplifier with anti-saturation distortion circuit
07/07/2010CN101771385A Power amplification circuit and thermally induced sound-producing device with power amplification circuit
07/07/2010CN101771384A Non-dead time power amplifier output-stage circuit
07/06/2010US7750740 Semiconductor circuit
07/06/2010US7750739 Dual reactive shunt low noise amplifier
07/06/2010US7750737 Common mode stabilization in a fully differential amplifier
07/06/2010US7750736 Integrated circuit system for controlling amplifier gain
07/06/2010US7750735 Voltage-level translator
07/06/2010US7750733 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for extending RF transmission bandwidth
07/06/2010US7750731 PWM loop filter with minimum aliasing error
07/01/2010WO2010074615A1 A multi stage amplifier
07/01/2010WO2010074069A1 Addition circuit, power amplifier circuit using same, and transmission device and communication device using the power amplifier circuit
07/01/2010WO2010073942A1 Power amplification device
07/01/2010WO2010073941A1 Power amplication device
07/01/2010WO2010073889A1 Distortion compensation circuit, transmitter, and distortion compensation method
07/01/2010WO2010073789A1 Distortion compensation circuit
07/01/2010WO2010073155A1 Power amplifier
07/01/2010WO2010072550A1 Mixed-signal transmission circuit for switching power amplifiers
07/01/2010US20100166437 Optical detecting circuit, optical transmitting apparatus, and optical detecting method
07/01/2010US20100164770 Multi-stage comparator with offset canceling capacitor across secondary differential inputs for high-speed low-gain compare and high-gain auto-zeroing
07/01/2010US20100164632 Power amplifier
07/01/2010US20100164631 Electronic system having common mode voltage range enhancement
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