| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
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| 11/27/2014 | US20140347134 Bandwidth-extended doherty power amplifier |
| 11/27/2014 | US20140347133 Doherty amplifier |
| 11/27/2014 | US20140347132 Power amplifier apparatus, transmitter apparatus, and method of controlling the power amplifier apparatus |
| 11/27/2014 | US20140347131 Semiconductor device and circuit with dynamic control of electric field |
| 11/27/2014 | US20140347130 Semiconductor integrated circuit device and high-frequency power amplifier module |
| 11/27/2014 | US20140347129 Semiconductor circuit |
| 11/27/2014 | US20140347128 Digital Class-D Amplifier and Digital Signal Processing Method |
| 11/27/2014 | US20140347127 Switching power amplifier and method for controlling the switching power amplifier |
| 11/27/2014 | US20140347125 Efficient power amplification over large operating average power range |
| 11/27/2014 | US20140347123 Amplifier |
| 11/25/2014 | US8897730 Radio frequency switch circuit |
| 11/25/2014 | US8897727 Power detector with temperature compensation |
| 11/25/2014 | US8897724 Method for controlling fast tracking power supply, fast tracking power supply, and system |
| 11/25/2014 | US8897467 Capacitive load driving amplifier |
| 11/25/2014 | US8897460 Microphone amplifier |
| 11/25/2014 | US8896391 Tunable microwave devices with auto-adjusting matching circuit |
| 11/25/2014 | US8896383 Enhanced pulse frequency modulation (PFM) control mode for switching regulators |
| 11/25/2014 | US8896382 Amplification device and amplification method |
| 11/25/2014 | US8896380 High frequency amplifier |
| 11/25/2014 | US8896379 Error amplifier having cascode current source using body biasing |
| 11/25/2014 | US8896378 Differential amplifier circuit with ultralow power consumption provided with adaptive bias current generator circuit |
| 11/25/2014 | US8896377 Apparatus for common mode suppression |
| 11/25/2014 | US8896376 Digital amplifier |
| 11/25/2014 | US8896375 Efficiency improved envelope amplifier using dual switching amplifiers |
| 11/25/2014 | US8896373 Wideband Doherty amplifier network |
| 11/25/2014 | US8896372 Amplification apparatus |
| 11/20/2014 | US20140342683 Wireless communication system |
| 11/20/2014 | US20140341398 Multichannel digital audio interface |
| 11/20/2014 | US20140341319 Envelope tracking system for mimo |
| 11/20/2014 | US20140340789 Operational amplifier, motor drive device, magnetic disk storage device, and electronic appliance |
| 11/20/2014 | US20140340177 Resonant circuit, distributed amplifier, and oscillator |
| 11/20/2014 | US20140340160 Semiconductor power amplifier |
| 11/20/2014 | US20140340159 Circuit Layout and Method for Frequency-Dependent Matching of a High-Frequency Amplifier Stage |
| 11/20/2014 | US20140340155 Linearization of heterogeneous power amplifier systems |
| 11/20/2014 | US20140340154 Systems and methods for image lag mitigation for buffered direct injection readout with current mirror |
| 11/20/2014 | US20140340153 Automatic Gain Control of a Received Signal using a Power Target |
| 11/20/2014 | US20140340152 Adaptive power amplifier and methods of making same |
| 11/20/2014 | US20140340151 Transconductance Amplifier |
| 11/20/2014 | US20140340150 Transconductance circuit and a current digital to analog converter using such transconductance circuits |
| 11/20/2014 | US20140340149 Method for low power low noise input bias current compensation |
| 11/20/2014 | US20140340148 Variable Gain Amplifier |
| 11/20/2014 | US20140340147 Amplifier circuit and amplification method |
| 11/20/2014 | US20140340145 Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier |
| 11/20/2014 | US20140339432 Amplifier circuit and image sensor using amplifier |
| 11/20/2014 | US20140339399 Pulsed electromagnetic radiation detection device |
| 11/18/2014 | US8892157 Integrated passive device with electrostatic discharge protection mechanism |
| 11/18/2014 | US8892063 Linear mode and non-linear mode quadrature PA circuitry |
| 11/18/2014 | US8891787 POP noise suppressing circuit and its method |
| 11/18/2014 | US8891697 Reception signal processing device |
| 11/18/2014 | US8891675 Power-indexed look-up table design of digital pre-distortion for power amplifiers with dynamic nonlinearities |
| 11/18/2014 | US8890623 System and method for reducing stress in a cascode common-source amplifier |
| 11/18/2014 | US8890621 Amplifier circuit and light receiving circuit |
| 11/18/2014 | US8890620 Power amplifier |
| 11/18/2014 | US8890619 PIM compensation in a receiver |
| 11/18/2014 | US8890618 Zero-voltage-switching contour based outphasing power amplifier |
| 11/18/2014 | US8890616 Power amplifier system with a current bias signal path |
| 11/18/2014 | US8890615 Buffering apparatus and method |
| 11/18/2014 | US8890614 Operational amplifier module and method for increasing slew rate of operational amplifier circuit |
| 11/18/2014 | US8890613 Signal amplification circuit |
| 11/18/2014 | US8890612 Dynamically biased output structure |
| 11/18/2014 | US8890611 Operational amplifier circuits |
| 11/18/2014 | US8890610 Compensation circuitry and method for amplifiers driving large capacitive loads |
| 11/18/2014 | US8890609 Systems and methods for band-limited adaptation for PA linearization |
| 11/18/2014 | US8890608 Digital input class-D audio amplifier |
| 11/18/2014 | US8890604 Charge pump circuit |
| 11/18/2014 | US8890601 Method, system, and circuit with a driver output interface having a common mode connection coupled to a transistor bulk connection |
| 11/18/2014 | US8890051 Integrating circuit and light-detection device |
| 11/13/2014 | US20140335810 Receiver for wireless communication system |
| 11/13/2014 | US20140335808 Method and system for a configurable low-noise amplifier with programmable band-selection filters |
| 11/13/2014 | US20140334647 Dual Bridge Amplifier Configuration |
| 11/13/2014 | US20140333385 Dual-band semiconductor rf amplifier device |
| 11/13/2014 | US20140333384 Circuits and methods related to low-noise amplifiers having improved linearity |
| 11/13/2014 | US20140333383 Quadrature lattice matching network |
| 11/13/2014 | US20140333382 Method and system for providing automatic gate bias and bias sequencing for field effect transistors |
| 11/13/2014 | US20140333381 Apparatus and methods for buffer linearization |
| 11/13/2014 | US20140333380 Class ab differential line drivers |
| 11/13/2014 | US20140333379 Broadband power amplifier having high efficiency |
| 11/13/2014 | US20140333378 Circuit arrangement for generating a radio frequency signal |
| 11/13/2014 | US20140333375 Method and circuit for driving a switch-mode amplifier array |
| 11/13/2014 | US20140333374 Travelling wave amplifier providing cascade units each including dynamic cascade transistor whose collector output fed-back to base input |
| 11/13/2014 | US20140332671 Photon counting controller, radiographic imaging apparatus, and control method of photon counting controller |
| 11/13/2014 | US20140332670 Photodetecting circuit, optical receiver, and photocurrent measurement method for photo detector |
| 11/11/2014 | US8886246 Transmission power control method and transmission power control apparatus |
| 11/11/2014 | US8886151 Receiving device and method for removing mismatch between signal paths in a low noise amplifier in wireless communication system, and low-power amplifier therefor |
| 11/11/2014 | US8886147 Concurrent impedance and noise matching transconductance amplifier and receiver implementing same |
| 11/11/2014 | US8885340 Dual-performance low noise amplifier for satellite-based radiofrequency communication |
| 11/11/2014 | US8884703 VRAMP limiting using resistors |
| 11/11/2014 | US8884702 Power amplifier with supply switching |
| 11/11/2014 | US8884700 Integrated circuit chip temperature sensor |
| 11/11/2014 | US8884699 Input common mode control using a dedicated comparator for sensor interfaces |
| 11/11/2014 | US8884697 Amplifying device |
| 11/11/2014 | US8884695 Efficient supply voltage |
| 11/11/2014 | US8884694 Systems and methods of RF power transmission, modulation, and amplification |
| 11/11/2014 | US8884692 Multi-band power amplifier |
| 11/11/2014 | US8884690 High performance input receiver circuit for reduced-swing inputs |
| 11/11/2014 | US8884655 Low-power voltage mode high speed driver |
| 11/11/2014 | US8884604 Adaptive feedback cascode |
| 11/11/2014 | US8884208 Light receiving circuit |
| 11/06/2014 | US20140330102 Low noise analog electronic circuit design for recording peripheral nerve activity |
| 11/06/2014 | US20140327485 Power module for envelope tracking |