| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 02/05/2015 | US20150035603 Feed-forward amplifier device and method thereof |
| 02/05/2015 | US20150035602 Noise canceling low-noise amplifier |
| 02/05/2015 | US20150035601 Split biased radio frequency power amplifier with enhanced linearity |
| 02/05/2015 | US20150035600 Amplifiers with configurable mutually-coupled source degeneration inductors |
| 02/05/2015 | US20150035599 Power amplifier and distributed filter |
| 02/05/2015 | US20150035598 Common-mode feedback differential amplifier |
| 02/05/2015 | US20150035597 Operational amplifier with selective input |
| 02/05/2015 | US20150035596 Versatile Audio Power Amplifier |
| 02/05/2015 | US20150035595 Low-noise receiver with complex rf attenuator |
| 02/05/2015 | US20150035594 Method and Apparatus for Improving Leakage Performance of a Multi-Port Amplifier |
| 02/05/2015 | US20150034806 Feedback-based trans-impedance amplifier with programmable input impedance |
| 02/05/2015 | DE102005060365B4 Verfahren und Vorrichtung zur Überlastregelung einer Synchronisationsschleife Method and apparatus for congestion control of a synchronization loop |
| 02/05/2015 | DE10015315B4 Antennenverstärker und regelbares Stellglied Antenna amplifier and adjustable actuator |
| 02/04/2015 | EP2833548A2 Digitally controlled edge interpolator (DCEI) for digital-to-time converters (DTC) |
| 02/04/2015 | EP2833547A1 An Amplification Circuit |
| 02/04/2015 | EP2833379A1 Correction of the bandwidth of an air gap transformer |
| 02/04/2015 | EP2831996A1 Tapered attenuator network for mitigating effects of direct current (dc) bias inductor self-resonance in traveling wave amplifiers |
| 02/04/2015 | CN204145720U 一种音频装置的噪声消除电路 An audio device of the noise cancellation circuit |
| 02/04/2015 | CN204145423U 一种精密双向可调限幅电路 A sophisticated two-way adjustable limiter circuit |
| 02/04/2015 | CN204145422U 基于自适应尾电流的跨导运算放大器 Adaptive tail current transconductance operational amplifier |
| 02/04/2015 | CN204145421U 用于pda上的wifi功率放大器 Power amplifiers for wifi on pda |
| 02/04/2015 | CN204145420U 一种大功率低频功率放大器系统 One kind of high-power low-frequency power amplifier system |
| 02/04/2015 | CN204145419U 高速差分光电检测系统 High-speed differential optical detection system |
| 02/04/2015 | CN204145417U 导频生成和对消装置以及前馈功放系统 Pilot generating and feedforward cancellation device and amplifier system |
| 02/04/2015 | CN104335601A 具有集成电力、音频信号和控制分配的音频系统 With integrated power, audio signal and control distribution of the audio system |
| 02/04/2015 | CN104335486A 多系统放大装置 Multi-system amplifying device |
| 02/04/2015 | CN104335485A 具有温度补偿的功率检测器 Temperature-compensated power detector |
| 02/04/2015 | CN104335484A 头戴式耳机放大器 Headphone amplifier |
| 02/04/2015 | CN104335483A 用于载波聚集的多输入多输出(mimo)低噪声放大器 Carrier aggregation for multiple-input multiple-output (mimo) low noise amplifier |
| 02/04/2015 | CN104335482A 用于载波聚集的具有共源共栅转向开关的低噪声放大器 For carrier aggregation has cascode low noise amplifier steering switch |
| 02/04/2015 | CN104333337A Ab类运算放大器的静态电流控制电路 Quiescent current control circuit Ab class operational amplifier |
| 02/04/2015 | CN104333336A 一种应用于跨阻放大电路中的分相电路 Applied to the transimpedance amplifier circuit in phase |
| 02/04/2015 | CN104333335A 自适应双极型晶体管功率放大器线性偏置电路 Adaptive linear bipolar transistor power amplifier bias circuit |
| 02/04/2015 | CN104333334A 卫星导航航空增强系统宽带低噪射频放大器和传输装置 Aviation enhanced broadband satellite navigation system low-noise RF amplifier and transmission equipment |
| 02/04/2015 | CN104333331A 音频功放电路的供电方法和装置及音频播放设备 Power audio amplifier circuit method and apparatus and audio playback equipment |
| 02/04/2015 | CN104333218A 一种用于dc/dc的跨导与输出电压比较电路 Transconductance and the output voltage comparator circuit for a dc / dc of |
| 02/04/2015 | CN102884726B 具有电平移位器的环路滤波器缓冲器 Buffer loop filter has a level shifter |
| 02/04/2015 | CN102694514B 功放装置 Amplifier device |
| 02/04/2015 | CN102611400B 高增益单级跨导运算放大器 Single-stage high gain operational transconductance amplifier |
| 02/04/2015 | CN101800519B 运算放大器及降低运算放大器的偏移电压的方法 Operational Amplifiers and reduce operational amplifier offset voltage method |
| 02/04/2015 | CN101562429B 向用于脉冲负载的放大器模块馈送直流电能的方法和设备 Method and apparatus for pulse load to the amplifier module capable of feeding DC |
| 02/03/2015 | US8948306 Broadband high efficiency amplifier system |
| 02/03/2015 | US8948237 Adaptive offset adjustment algorithm |
| 02/03/2015 | US8947952 Input-output line sense amplifier having adjustable output drive capability |
| 02/03/2015 | US8947289 Method of producing low-power switched-capacitor amplifier, circuit and a pipeline analog-to-digital converter including the same |
| 02/03/2015 | US8947278 Single-ended to differential buffer circuit and method for coupling at least a single-ended input analog signal to a receiving circuit with differential inputs |
| 02/03/2015 | US8947166 Radio frequency power amplifier |
| 02/03/2015 | US8947165 Multi-mode Doherty power amplifier |
| 02/03/2015 | US8947164 Integrated technique for enhanced power amplifier forward power detection |
| 02/03/2015 | US8947163 Split capacitors scheme for suppressing overshoot voltage glitches in class D amplifier output stage |
| 02/03/2015 | US8947161 Linear amplifier power supply modulation for envelope tracking |
| 02/03/2015 | US8947160 On-chip millimeter wave Lange coupler |
| 02/03/2015 | US8947157 Voltage multiplier charge pump buck |
| 02/03/2015 | US8947141 Differential amplifiers, clock generator circuits, delay lines and methods |
| 02/03/2015 | US8947125 Fast, low power comparator with dynamic bias background |
| 02/03/2015 | US8946616 Analog-to-digital converter using variable counting interval and image sensor including same |
| 01/29/2015 | WO2015013125A1 Suppression of spurious harmonics generated in tx driver amplifiers |
| 01/29/2015 | US20150031318 Transmitter and method with rf power amplifier having predistorted bias |
| 01/29/2015 | US20150030184 Audio Amplifier and Power Supply Voltage Switching Method |
| 01/29/2015 | US20150030132 Charge-sensitive amplifier |
| 01/29/2015 | US20150028955 Rf power device |
| 01/29/2015 | US20150028954 Signal receiver |
| 01/29/2015 | US20150028953 Scalable Periphery for Digital Power Control |
| 01/29/2015 | US20150028952 Programmable multi-gain current amplifier |
| 01/29/2015 | US20150028951 Operational amplifier circuits |
| 01/29/2015 | US20150028950 Charge preamplifier |
| 01/29/2015 | US20150028949 High voltage input circuit for a differential amplifier |
| 01/29/2015 | US20150028948 Switch-mode amplifier |
| 01/29/2015 | US20150028947 Distortion compensation apparatus and method |
| 01/29/2015 | US20150028945 Methods and Devices for Improving Power Amplifier Efficiency |
| 01/28/2015 | EP2830215A1 Load preamplifier |
| 01/28/2015 | EP2830214A2 PVT tolerant differential circuit |
| 01/28/2015 | EP2829080A1 Audio system with integrated power, audio signal and control distribution |
| 01/28/2015 | EP2828971A1 Bandpass sampling schemes for observation receiver for use in pa dpd system for concurrent multi-band signals |
| 01/28/2015 | CN204131612U 一种在不同功率输出下保持高效率的调频功率放大器 An FM amplifier to maintain high efficiency at different power output |
| 01/28/2015 | CN204131471U 芯片 Chip |
| 01/28/2015 | CN204131470U 一种短波4w功率放大器 Shortwave 4w PA |
| 01/28/2015 | CN204131469U 用于校准避雷器阻性电流测试仪的精密交流电压放大器 For calibrating resistive current arrester tester Precision AC voltage amplifier |
| 01/28/2015 | CN104321964A 用于动态误差向量大小加强的集成启动偏置增强 Integrated start-up bias for dynamic error vector magnitude enhancements strengthen |
| 01/28/2015 | CN104321963A 用于载波聚集的低噪声放大器 For carrier aggregation of a low noise amplifier |
| 01/28/2015 | CN104320096A 一种微电流、电流反馈的斩波调制仪表放大器 A micro current, current-feedback instrumentation amplifier chopper modulation |
| 01/28/2015 | CN104320095A 一种降低数字预失真中adc采样速率的方法及装置 Method and apparatus for reducing digital predistortion adc sampling rate |
| 01/28/2015 | CN104320093A 一种用于稳定放大器的系统及方法 A system and method for stabilizing amplifier |
| 01/28/2015 | CN104320092A 一种微弱信号测量的宽频带低噪声差分放大电路 Wideband low-noise differential measurement of a weak signal amplifying circuit |
| 01/28/2015 | CN104320091A 用于电脑音箱的功率放大电路 Computer speakers for power amplifier circuit |
| 01/28/2015 | CN102751950B 一种多波段多模式射频功率放大器的数字预失真方法 A multi-band multi-mode digital RF power amplifier predistortion method |
| 01/28/2015 | CN102647162B 差动放大装置 Differential amplifier means |
| 01/28/2015 | CN102215029B D类音频功率放大器及其音频信号处理方法 Class D audio power amplifier and audio signal processing method |
| 01/28/2015 | CN102150340B 用于无线功率发射的发射器 Transmitter for wireless power transmission |
| 01/28/2015 | CN101868913B 低功率消耗混合模式功率放大器 Mixed-mode power amplifiers with low power consumption |
| 01/27/2015 | US8942760 Integrated bluetooth and wireless LAN transceivers having merged low noise and power amplifier |
| 01/27/2015 | US8942651 Cascaded converged power amplifier |
| 01/27/2015 | US8942650 RF PA linearity requirements based converter operating mode selection |
| 01/27/2015 | US8942649 Radio-frequency transmitter and amplifier |
| 01/27/2015 | US8942313 Group delay calibration method for power amplifier envelope tracking |
| 01/27/2015 | US8941441 LNA with linearized gain over extended dynamic range |
| 01/27/2015 | US8941440 Differential circuit compensating gain enhancement due to self heating of transistors |
| 01/27/2015 | US8941439 Differential charge reduction |
| 01/27/2015 | US8941412 Amplifiers using gated diodes |
| 01/27/2015 | US8941047 Molecular transistor driving of nanoscale actuators from differential amplifier circuits compatible with carbon nanotube sensors and transducers |