| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 01/07/2015 | EP2822179A1 Light projecting device drive circuit and photoelectric sensor |
| 01/07/2015 | CN204090122U 一种有源低功率音频电路 An active low-power audio circuits |
| 01/07/2015 | CN204089741U 一种基于自动增益控制技术的WiFi信号放大器 Based AGC technology WiFi signal amplifier |
| 01/07/2015 | CN204089740U 一种用于彩超的数字音频功率放大电路 An ultrasound of digital audio power amplifier for |
| 01/07/2015 | CN204089739U 功率放大器及其偏置电路 Power amplifier and bias circuit |
| 01/07/2015 | CN204089738U 一种具有热插拔功能的射频功放模块 RF power amplifier module having a hot swap function |
| 01/07/2015 | CN204086301U 微机械加速度计检测放大电路的优化结构 Optimize the structure micromachined accelerometer detection amplifier circuit |
| 01/07/2015 | CN104272589A 具有可调环路滤波器特性的d类音频放大器 With tunable loop filter characteristics d class audio amplifier |
| 01/07/2015 | CN104272588A 用于抑制d类放大器输出级中的过冲电压故障的分裂电容器方案 D class amplifier used to suppress the output stage voltage overshoot split capacitor failure program |
| 01/07/2015 | CN104272587A 级联放大器以及放大电路 Cascaded amplifiers and amplifier |
| 01/07/2015 | CN104272586A 具有可编程输入阻抗的基于反馈的跨阻放大器 Based on feedback transimpedance amplifier with programmable input impedance |
| 01/07/2015 | CN104272585A 高频功率放大电路用电源装置以及高频功率放大装置 High-frequency power amplifier circuit with a power supply device and high frequency power amplifier |
| 01/07/2015 | CN104272584A 一种Linc功放合路电路 One kind Linc amplifier circuit combiner |
| 01/07/2015 | CN104270108A 一种电荷放大器 A charge amplifier |
| 01/07/2015 | CN104270107A 一种有源前馈电路构成频率补偿的差分运算放大器 An active feedforward circuit of differential operational amplifier frequency compensation |
| 01/07/2015 | CN104270106A 功放电路 Amplifier circuit |
| 01/07/2015 | CN104270105A 数字功放电路 Digital amplifier circuit |
| 01/07/2015 | CN104270104A 一种采用apd技术的高互调功率放大器 Apd technology uses one kind of high-power amplifier intermodulation |
| 01/07/2015 | CN104270103A 预失真功放射频链路、射频功率放大器及其故障处理方法 RF power amplifier predistortion link, RF power amplifiers and troubleshooting methods |
| 01/07/2015 | CN104270011A 一种对电感式传感器进行激励的交流电流源 An inductive sensor for AC current source excitation |
| 01/07/2015 | CN102760930B 毫米波功率合成放大器 Millimeter Wave Power Amplifier |
| 01/07/2015 | CN102723320B 一种电子元器件及一种射频功率放大器 An electronic components and A radio frequency power amplifiers |
| 01/07/2015 | CN102640414B 混合电路 Hybrid circuits |
| 01/07/2015 | CN102356543B 共栅极共源极放大器 Common source amplifier common gate |
| 01/07/2015 | CN102246411B 用于改进放大器线性的技术 Improved techniques for linear amplifier |
| 01/06/2015 | US8929847 Signal processing circuit with circuit induced noise cancellation |
| 01/06/2015 | US8929844 Variable gain control transformer and RF transmitter utilizing same |
| 01/06/2015 | US8929808 Antenna driver circuit for NFC reader applications |
| 01/06/2015 | US8929163 Input buffer apparatuses and methods |
| 01/06/2015 | US8928424 Duty cycle translator methods and apparatus |
| 01/06/2015 | US8928415 Adjustable gain for multi-stacked amplifiers |
| 01/06/2015 | US8928414 Power amplifier with low noise figure and voltage variable gain |
| 01/06/2015 | US8928413 Broadband class-E outphasing amplifier with asymmetrical shunt tuned switches system and related method |
| 01/06/2015 | US8928412 Precise current source circuit for bias supply of RF MMIC gain block amplifier application |
| 01/06/2015 | US8928411 Integration of signal sampling within transistor amplifier stage |
| 01/06/2015 | US8928410 Electronic circuits including a MOSFET and a dual-gate JFET |
| 01/06/2015 | US8928409 Trans-capacitance amplifier with picoAmperes input biasing and large output swing |
| 01/06/2015 | US8928408 High-gain low-noise preamplifier and associated amplification and common-mode control method |
| 01/06/2015 | US8928407 Current conveyor circuit and method |
| 01/06/2015 | US8928406 Low-power inverter-based differential amplifier |
| 01/06/2015 | US8928405 Power amplification circuits |
| 01/06/2015 | US8928404 Amplifier performance stabilization through preparatory phase |
| 01/06/2015 | US8928403 Envelope path processing for envelope tracking amplification stage |
| 01/06/2015 | US8928402 N way Doherty amplifier |
| 01/06/2015 | US8928401 Amplifier with filtering |
| 01/06/2015 | US8928364 Control of cross-over point |
| 01/06/2015 | US8928362 Semiconductor device and electronic apparatus using the same |
| 01/06/2015 | US8928357 Sense amplifier with cross-coupled transistor pair |
| 01/06/2015 | US8928356 Power amplifier saturation detection |
| 01/06/2015 | US8928355 Amplifier bandwidth extension for high-speed tranceivers |
| 01/06/2015 | US8928181 Method and apparatus for transmission of energy and data |
| 01/01/2015 | US20150003843 Open-gain trans-impedance amplifier with programmable input impedance |
| 01/01/2015 | US20150003617 Power Supplies |
| 01/01/2015 | US20150002236 Systems and Methods of Stacking LC Tanks for Wide Tuning Range and High Voltage Swing |
| 01/01/2015 | US20150002235 Dynamic headroom for envelope tracking |
| 01/01/2015 | US20150002234 Timing alignment for modulated supply |
| 01/01/2015 | US20150002233 Control loop for amplification stage |
| 01/01/2015 | US20150002232 Power supply device for high frequency power amplification circuit and high frequency power amplification device |
| 01/01/2015 | US20150002231 Quiescent current equalization method, output stage circuit, class ab amplifier and electronic device |
| 01/01/2015 | US20150002230 Doherty amplifier |
| 01/01/2015 | US20150002229 Semiconductor packages having wire bond wall to reduce coupling |
| 01/01/2015 | US20150002227 Mmic power amplifier |
| 01/01/2015 | US20150002226 Semiconductor package having wire bond wall to reduce coupling |
| 01/01/2015 | US20150002225 Low-noise amplifier |
| 01/01/2015 | US20150002224 Bias circuit and power amplifier with selection function of power mode |
| 01/01/2015 | US20150002223 Bias circuit |
| 01/01/2015 | US20150002222 Combined input stage for transconductance amplifier having gain linearity over increased input voltage range |
| 01/01/2015 | US20150002221 Instrumentation Amplifier and Signal Amplification Method |
| 01/01/2015 | US20150002220 Method of power amplifier calibration |
| 12/31/2014 | CN204069297U 2.1声道功放系统 2.1-channel amplifier system |
| 12/31/2014 | CN204069240U 基于互联网的音频功放装置 Internet-based audio amplifier device |
| 12/31/2014 | CN204068876U GaN微波功率器件栅极大电流馈电电路 GaN microwave power device gate high current feed circuit |
| 12/31/2014 | CN204068875U 基于fpga的多通道数字音频放大器 Fpga-based multi-channel digital audio amplifier |
| 12/31/2014 | CN204068874U 一种s波段的500w激励源 One kind of s-band excitation source 500w |
| 12/31/2014 | CN204068873U 正负栅压功放管供电控制系统及正负栅压功放系统 Positive and negative gate voltage amplifier tube power supply control system and the positive and negative gate voltage amplifier system |
| 12/31/2014 | CN204068872U 一种用于无线宽带路由器的wifi信号放大电路 Wifi signal for wireless broadband router amplifier circuit |
| 12/31/2014 | CN204061042U 一种水轮机调速器用比例阀控制信号放大器 Used for one kind of turbine governor proportional valve control signal amplifier |
| 12/31/2014 | CN104254973A 基于变压器的rf功率放大器 Based rf power amplifier transformer |
| 12/31/2014 | CN104253590A 全差分运算放大器模块电路、模数转换器和读出电路 Fully differential operational amplifier module circuit, ADC and readout circuit |
| 12/31/2014 | CN104253589A 静态电流均衡方法、输出级电路、ab类放大器及电子设备 Quiescent current equalization method, the output stage circuit, ab class amplifier and electronic equipment |
| 12/31/2014 | CN102611399B 运算放大器装置 Operational amplifier means |
| 12/31/2014 | CN102594270B 高频甲丙类功率放大器 High-frequency power amplifier tensiomin |
| 12/31/2014 | CN102237852B 功率放大器 PA |
| 12/31/2014 | CN102106080B 液晶驱动装置 Liquid crystal driving device |
| 12/31/2014 | CN101785118B 驱动装置 Drive |
| 12/30/2014 | US8923789 Method of diminishing the minimum range of operation of a communication link |
| 12/30/2014 | US8923436 Transmitter and method for controlling same |
| 12/30/2014 | US8922540 Output circuit, data driver, and display device |
| 12/30/2014 | US8922413 Amplifier using multi input differential pair, and comparator and analog-to-digital converting apparatus using the same |
| 12/30/2014 | US8922296 Power amplifier device with reduced bulk |
| 12/30/2014 | US8922282 Low output impedance RF amplifier |
| 12/30/2014 | US8922281 Power amplifier and operation method therefor |
| 12/30/2014 | US8922280 Temperature compensation circuit and electronic device with temperature compensation |
| 12/30/2014 | US8922279 Voltage controlled variable gain amplifier circuit |
| 12/30/2014 | US8922278 Versatile audio power amplifier |
| 12/30/2014 | US8922277 Switching power amplifier and method of controlling the same |
| 12/30/2014 | US8922276 Auto-zero amplifier and feedback amplifier circuit using the auto-zero amplifier |
| 12/30/2014 | US8922275 Common mode input control for switch capacitor amplifier in pipeline analog-to-digital converter |
| 12/30/2014 | US8922267 Electronic device and method for kickback noise reduction of switched capacitive loads and method of operating the electronic device |
| 12/30/2014 | US8921757 Anti-blooming circuit for integrating photodiode pre-amplifiers |