| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 03/05/2015 | WO2015031199A1 Combination nmos/pmos power amplifier |
| 03/05/2015 | WO2015029486A1 High frequency power amplifier |
| 03/05/2015 | WO2015029462A1 Power amplification device and control method for power amplification device |
| 03/05/2015 | WO2015027433A1 Driver circuit and associated power amplifier assembly, radio base station and method |
| 03/05/2015 | US20150067416 Nrz signal amplifying device and method, and error rate measurement device and method |
| 03/05/2015 | US20150063048 Sample-and-Hold Current Sense Amplifier and Related Method |
| 03/05/2015 | US20150061778 Power supply device for high frequency power amplifying circuit and high frequency power amplifying apparatus |
| 03/05/2015 | US20150061777 Device and method for bias control of class a power rf amplifier |
| 03/05/2015 | US20150061776 High speed amplifier |
| 03/05/2015 | US20150061775 Wideband amplifier |
| 03/05/2015 | US20150061774 Digital predistortion system and method with extended correction bandwidth |
| 03/05/2015 | US20150061773 Digital predistortion apparatus and method |
| 03/05/2015 | US20150061771 Waveform conversion circuit with reduced jitter |
| 03/05/2015 | US20150061770 Bias-boosting bias circuit for radio frequency power amplifier |
| 03/05/2015 | US20150061769 Closed loop control system, and an amplifier in combination with such a closed loop control system |
| 03/05/2015 | US20150061768 High speed amplifier |
| 03/05/2015 | US20150061767 Telescopic Amplifier with Improved Common Mode Settling |
| 03/05/2015 | US20150061766 Wideband inductor-less balun-lna with improved pickup noise rejection |
| 03/05/2015 | US20150061765 Gain calibration of a high speed amplifier |
| 03/05/2015 | US20150061764 Analog amplifier for recovering abnormal operation of common mode feedback |
| 03/05/2015 | US20150061763 Amplification circuit of semiconductor apparatus |
| 03/05/2015 | US20150061762 Dual power amplifier linearizer |
| 03/05/2015 | DE112012006395T5 Verstärkerschaltung Amplifier circuit |
| 03/04/2015 | EP2843833A2 Reconfigurable measuring apparatus and method for controlling apparatus |
| 03/04/2015 | EP2843832A1 A wideband amplifier |
| 03/04/2015 | EP2843691A1 Fet chip |
| 03/03/2015 | US8971832 Variable gain amplifier for low voltage applications |
| 03/03/2015 | US8971831 Front-end system for radio devices |
| 03/03/2015 | US8971830 Multi-mode multi-band power amplifier module |
| 03/03/2015 | US8971829 Convergence estimation for iterative predistortion factor determination for predistortion in power amplifiers |
| 03/03/2015 | US8971792 Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption |
| 03/03/2015 | US8971398 System and method for generating a radio frequency pulse-width modulated signal |
| 03/03/2015 | US8971208 Multi-channel radio-frequency receiver |
| 03/03/2015 | US8970791 Circuit board |
| 03/03/2015 | US8970406 Interleaved multipath digital power amplification |
| 03/03/2015 | US8970308 Input match network with RF bypass path |
| 03/03/2015 | US8970307 Bias current monitor and control mechanism for amplifiers |
| 03/03/2015 | US8970304 Hybrid amplifier |
| 03/03/2015 | US8970303 Amplifiers and related biasing methods and devices |
| 03/03/2015 | US8970302 Operational amplifier with selective input |
| 03/03/2015 | US8970301 Method for low power low noise input bias current compensation |
| 03/03/2015 | US8970300 Apparatus and method for transimpedance amplifiers with wide input current ranges |
| 03/03/2015 | US8970299 RF power amplifier and operating method thereof |
| 03/03/2015 | US8970297 Reconfigurable input power distribution doherty amplifier with improved efficiency |
| 03/03/2015 | US8970296 Amplifying circuit with bypass mode and series isolation switch |
| 03/03/2015 | US8970295 System and method for a power amplifier |
| 03/03/2015 | US8970294 Distribution amplifier with intellectual signaling |
| 03/03/2015 | US8970280 Input clamping structure for sound quality improvement in car-radio class-AB power amplifier design |
| 03/03/2015 | US8970269 Pulse width modulator and switching amplifier |
| 03/03/2015 | US8970264 Electrical isolation device |
| 03/03/2015 | US8970256 Sense amplifier |
| 02/26/2015 | WO2015026573A1 Harmonic trap for common gate amplifier |
| 02/26/2015 | WO2015025440A1 Class-d amplifier |
| 02/26/2015 | US20150056940 Harmonic trap for common gate amplifier |
| 02/26/2015 | US20150055786 Apparatus and Method of Silent Monitoring Alarm Sounders |
| 02/26/2015 | US20150055733 High frequency circuit and high frequency module including the same |
| 02/26/2015 | US20150054588 Supply modulator |
| 02/26/2015 | US20150054587 High-frequency power amplifier |
| 02/26/2015 | US20150054586 Constant gm bias circuit insensitive to supply variations |
| 02/26/2015 | US20150054585 Pre-distortion method, associated apparatus and non-transitory machine readable medium |
| 02/26/2015 | US20150054584 Class ab signal generation apparatus |
| 02/26/2015 | US20150054583 Power amplifier |
| 02/26/2015 | US20150054582 Control system for a power amplifier |
| 02/26/2015 | US20150054581 Combination nmos/pmos power amplifier |
| 02/26/2015 | US20150054580 Amplification systems and methods with one or more channels |
| 02/26/2015 | US20150054578 Amplification systems and methods with one or more channels |
| 02/26/2015 | US20150054577 Amplification systems and methods with one or more channels |
| 02/26/2015 | US20150054576 Apparatus and methods for chopper amplifiers |
| 02/26/2015 | US20150054553 Pulse width modulation circuit and voltage-feedback class-d amplifier circuit |
| 02/26/2015 | US20150054091 Radio Frequency and Microwave Devices and Methods of Use |
| 02/26/2015 | DE112013002394T5 Verstärker mit programmierbarer Verstärkung Programmable gain amplifier |
| 02/26/2015 | DE102014111208A1 Vorrichtungen und Verfahren für Zerhackerverstärker Devices and methods for chopper |
| 02/26/2015 | DE102009055889B4 Signalverarbeitungsschaltung zur Erzeugung eines Lautsprechersignals und Signalverarbeitungsverfahren Signal processing circuit for generating a speaker signal and signal processing method |
| 02/25/2015 | EP2840718A2 Method and device for controlling power amplification |
| 02/25/2015 | EP2840711A2 Method and apparatus for improving leakage performance of a multi-port amplifier |
| 02/25/2015 | EP2840710A1 Power amplification system, device and method |
| 02/25/2015 | EP2840709A1 Amplifier and method of amplification |
| 02/25/2015 | EP2839580A1 A dynamic frequency divider circuit |
| 02/25/2015 | EP2839579A1 High side current sense amplifier |
| 02/25/2015 | EP2839578A1 Reconfigurable lna for increased jammer rejection |
| 02/24/2015 | US8965454 Amplifier system for cell sites and other suitable applications |
| 02/24/2015 | US8965322 Low noise amplifier |
| 02/24/2015 | US8965317 RF AGC control |
| 02/24/2015 | US8965315 Impedance circuit and method for signal transformation |
| 02/24/2015 | US8965018 Power supply voltage from class D amplifier |
| 02/24/2015 | US8965010 Multi-stage amplifiers to reduce pop noise |
| 02/24/2015 | US8964892 Apparatus and method for operating a transmitter |
| 02/24/2015 | US8964821 Shared feedback for adaptive transmitter pre-distortion |
| 02/24/2015 | US8964479 Techniques for sensing a semiconductor memory device |
| 02/24/2015 | US8964074 Amplification circuit, photoelectric conversion apparatus, and imaging system |
| 02/24/2015 | US8963645 Integrated-circuit amplifier with low temperature rise |
| 02/24/2015 | US8963644 Reconfigurable output matching network for multiple power mode power amplifiers |
| 02/24/2015 | US8963643 Method and system for providing automatic gate bias and bias sequencing for field effect transistors |
| 02/24/2015 | US8963642 Performance of off-chip connection for power amplifier |
| 02/24/2015 | US8963641 Source-series terminated differential line driver circuit |
| 02/24/2015 | US8963640 Amplifier for output buffer and signal processing apparatus using the same |
| 02/24/2015 | US8963639 Frequency compensation techniques for low-power and small-area multistage amplifiers |
| 02/24/2015 | US8963638 Operational amplifier circuit |
| 02/24/2015 | US8963637 Semiconductor device and communication device |
| 02/24/2015 | US8963636 Outphasing power amplifier linearization method with improved output power back-off efficiency |