Patents
Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008)
07/2014
07/29/2014US8791761 Electronic system, RF power amplifier and output power compensation method thereof
07/29/2014US8791760 Closed loop bias control
07/29/2014US8791759 Bipolar stacked transistor architecture
07/29/2014US8791758 Apparatus and methods for buffer linearization
07/29/2014US8791755 Self-oscillating driver circuit
07/29/2014US8791752 Two-stage class AB operational amplifier
07/29/2014US8791719 Dual mode power amplifier control interface with a two-mode general purpose input/output interface
07/24/2014WO2014113417A2 Amplifier with switchable common gate gain buffer
07/24/2014WO2014113369A1 Telescopic op-amp with slew rate control
07/24/2014WO2014113227A1 Method for improving tx gain in envelope tracking systems
07/24/2014WO2014113027A1 High-voltage voltage-switched class-s amplifier
07/24/2014US20140206295 Radio Frequency Splitter
07/24/2014US20140203877 Semiconductor device
07/24/2014US20140203876 Amplifier circuit
07/24/2014US20140203875 High-gain low-noise preamplifier and associated amplification and common-mode control method
07/24/2014US20140203874 Power amplifiers with push-pull transistors, capacitive coupling for harmonic cancellation, and inductive coupling to provide differential output signals
07/24/2014US20140203872 Low-Noise Amplifier, Receiver, Method and Computer Program
07/24/2014US20140203871 Zero-voltage-switching contour based outphasing power amplifier
07/24/2014US20140203870 Power mosfets with improved efficiency for multi-channel class d audio amplifiers and packaging therefor
07/24/2014US20140203869 Communications based adjustments of an offset capacitive voltage
07/24/2014US20140203868 Communications based adjustments of a parallel amplifier power supply
07/24/2014US20140203772 Wireless electric power transmitter
07/24/2014DE102014100617A1 Verstärkerschaltung Amplifier circuit
07/23/2014EP2757684A1 Differential output stage of an amplification device, for driving a load
07/23/2014EP2756596A1 Circuitry for reducing power consumption
07/23/2014CN203734630U 一种直接数字驱动功放模块 A direct digital drive amplifier module
07/23/2014CN203734629U 一种新型驱动放大电路 A new driver amplifier
07/23/2014CN203734628U 内置dsp均衡器和3d环绕音效处理的数字放大器芯片 Built dsp equalizer and surround sound processing 3d digital amplifier chip
07/23/2014CN203734627U 一种大动态范围放大电路 One kind of high dynamic range amplifier circuit
07/23/2014CN203734626U 一种超宽带功率放大器 An ultra wideband power amplifier
07/23/2014CN203734622U 一种基于pid调节和pwm技术的mri b0场补偿放大器 Based pid regulation and pwm technology mri b0 field compensation amplifier
07/23/2014CN103947108A 多级升压d类放大器 Multi-stage booster d class amplifier
07/23/2014CN103947107A 用于将电流脉冲转换为电压脉冲的装置 The current pulse is converted to a voltage pulse means for
07/23/2014CN103947105A 电源电路 The power supply circuit
07/23/2014CN103944523A 一种可编程增益放大器 With a programmable gain amplifier
07/23/2014CN103944522A 功率放大器 PA
07/23/2014CN103944521A 一种电流喷射式音频功率放大器 A current jet Audio Power Amplifier
07/23/2014CN103944520A 电流源电路及射频信号放大系统 The current source circuit and a radio frequency signal amplification system
07/23/2014CN103944519A 配套接入电流喷射式音频功率放大器的桥式动态电源 Supporting access to current jet bridge Dynamic Power Audio Amplifier
07/23/2014CN102299689B 基于包络跟踪技术的高效率双频功率放大器的设计方法 Envelope tracking technology, high efficiency dual-band power amplifier design method based on
07/23/2014CN102291091B 一种线性微波功率放大器 A linear microwave power amplifiers
07/23/2014CN102150363B 用于抑制斩波稳定放大器中的偏移和纹波的自动校正反馈环路 For inhibiting the chopper-stabilized amplifier offset and ripple auto-correction feedback loop
07/23/2014CN102113208B 用于开关式电容器电路的适应性偏置电流产生 Adaptive bias current for the switched-capacitor circuit generates
07/23/2014CN102067443B 具有增益扩大级的放大器 The amplifier has a gain expansion stage
07/23/2014CN101645696B 差分放大器 Differential amplifier
07/22/2014US8786373 Adjustable bypass circuit for a supply voltage for an amplifier
07/22/2014US8786372 Dual primary switched transformer for impedance and power scaling
07/22/2014US8786371 Apparatus and methods for voltage converters
07/22/2014US8786370 Power supply control circuit
07/22/2014US8786369 High frequency amplifier
07/22/2014US8786368 Distributed amplifier with improved stabilization
07/22/2014US8786366 Amplifier circuit
07/22/2014US8786365 External programmable DFE strength
07/22/2014US8786364 Gain enhancement for cascode structure
07/22/2014US8786363 Apparatus and methods for electronic amplification
07/22/2014US8786323 Driver with resistance calibration capability
07/17/2014WO2014110458A1 Hybrid amplifier
07/17/2014WO2014110435A1 On-die harmonics filtering for radio frequency power amplifiers
07/17/2014WO2014110289A2 Programmably configured switchmode audio amplifier
07/17/2014WO2014110187A1 Systems and methods for biasing amplifiers with adaptive closed loop control
07/17/2014WO2014108796A1 Narrow voltage range multi-level output pulse modulated amplifier with one-bit hysteresis quantizer
07/17/2014WO2014108716A1 Doherty amplifier
07/17/2014WO2014108179A1 Amplifier circuit with improved accuracy
07/17/2014WO2014078333A3 Omni-band amplifiers
07/17/2014US20140197893 Amplification Circuit Having Optimization of Power
07/17/2014US20140197892 On-die harmonics filtering for radio frequency power amplifiers
07/17/2014US20140197889 Semiconductor device, method for manufacturing the same, power supply device, and high-frequency amplifier
07/17/2014US20140197888 Hybrid amplifier
07/17/2014US20140197887 Telescopic OP-AMP With Slew Rate Control
07/17/2014US20140197886 Amplifier with switchable common gate gain buffer
07/17/2014US20140197828 High frequency switch
07/16/2014EP2755324A1 Broadband high efficiency amplifier system
07/16/2014EP2755323A1 Rf signal generating circuit, and transmitter
07/16/2014EP2755322A1 An audio amplifier
07/16/2014EP2754242A2 Wide bandwidth class c amplifier with common-mode feedback
07/16/2014EP2754241A1 Versatile audio power amplifier
07/16/2014EP2754240A1 Radio-frequency transmitter, such as for broadcasting and cellular base stations
07/16/2014EP2754221A1 Wireless electric field power transmission system and method
07/16/2014CN203722585U 一种具有带通滤波响应的高效率宽带功率放大器 Having a band-pass filter response of high-efficiency wideband power amplifiers
07/16/2014CN203722583U 一种伺服功率放大电路 One kind of a servo power amplifier circuit
07/16/2014CN203722582U 一种片上实现直流失调消除功能的限幅放大器 Implement an on-chip DC-offset cancellation limiting amplifier
07/16/2014CN103929138A 一种低功耗高增益高摆率的运算跨导放大器 A low-power high-gain high slew rate operational transconductance amplifier
07/16/2014CN103929136A 宽带移动通信lte系统发射机功率放大器预失真处理方法 Lte broadband mobile communication system transmitter power amplifier predistortion processing method
07/16/2014CN103929135A 包络跟踪漏极调制器、射频放大电路及方法 Drain envelope tracking modulator, RF amplifier circuit and method
07/16/2014CN103929133A 一种功率放大器控制电路 A power amplifier control circuit
07/16/2014CN103929132A 基于带状线方式的小型大功率微波放大模块 Based on a small high-power microwave stripline mode amplifier module
07/16/2014CN102522417B 图像传感器及源跟随器 The image sensor and source follower
07/16/2014CN102394583B 宽带高增益跨导放大器 Broadband high-gain transconductance amplifier
07/16/2014CN102332870B 功率放大器 PA
07/16/2014CN102301588B 具有两个放大级的运算跨导放大器 Amplifier stage having two operational transconductance amplifier
07/16/2014CN102204087B 具有改进的静电放电保护电路的放大器 Has improved electrostatic discharge protection circuit amplifier
07/16/2014CN101983479B 匹配的集成电子部件 Integrated electronic component matching
07/16/2014CN101977022B 互补增强功率补偿方法、装置及通信设备 Complementary enhanced power compensation method, apparatus and communication equipment
07/16/2014CN101814899B 自振荡d类放大设备 Self-oscillating d class amplification equipment
07/15/2014US8781595 Chopper mixer telemetry circuit
07/15/2014US8779858 Amplifier circuit, detector arrangement and method for operating an amplifier
07/15/2014US8779857 Amplifier with variable matching circuit to improve linearity
07/15/2014US8779856 Doherty amplifier circuit with phase-controlled load modulation
07/15/2014US8779855 Power amplification circuit having transformer
07/15/2014US8779854 Variable gain amplifier circuit
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