Featured patents

Stacked Amplifier With Diode-Based Biasing
US 08847689 B2, Sept. 30, 2014, Having different configurations, Yu Zhao et al. / QUALCOMM Incorporated (San Diego, US)
An apparatus comprising: an amplifier comprising a plurality of transistors…

Matrix Distributed Power Amplifier
US 08823455 B2, Sept. 2, 2014, Including distributed parameter-type coupling, Kevin W. Kobayashi / RF Micro Devices, Inc. (Greensboro, US)
A matrix distributed amplifier (DA) comprising:…

Instrumentation Amplifier With Rail-To-Rail Input Range
US 08823453 B2, Sept. 2, 2014, Having common mode rejection circuit, Francois Krummenacher et al. / Semtech Corporation (Camarillo, US)
A system, comprising:…

Apparatus and Method for Sensing and Converting Radio Frequency to Direct Current
US 08766724 B2, July 1, 2014, Including D.C. feedback bias control for stabilization, Malcolm Smith et al. / RF Micro Devices (Cayman Islands), Ltd. (George Town, KY
Circuitry comprising:…

Semiconductor Device Having Transistors Each of Which Includes an Oxide Semiconductor
US 08736371 B2, May 27, 2014, Having push-pull amplifier stage, Tatsuya Ohnuki / Semiconductor Energy Laboratory Co., Ltd. (Atsugi-shi, Kanagawa-ken, JP)
A semiconductor device comprising:…

Power Envelope Controller and Method
US 08729964 B2, May 20, 2014, Amplifier protection means, Martin J. Rice / Keithley Instruments, Inc. (Cleveland, US)
A power envelope controller configured for use with an amplification stage,…

Balanced-Input Current-Sensing Differential Amplifier
US 08692617 B2, April 8, 2014, Having current mirror amplifier, Frederic Broyde et al. / Tekcem (Maule, FR)
A balanced-input current-sensing differential amplifier having a first signal…

Multi-Autonomous Electronic Amplifier
US 08674763 B2, March 18, 2014, Including Class D amplifier, John E. Lemonovich / Ansaldo STS USA, Inc. (Pittsburgh, US)
An electronic amplifier, comprising:…

Amplifier With Dynamic Bias
US 08552803 B2, Oct. 8, 2013, Including D.C. feedback bias control for stabilization, Bo Sun et al. / Qualcomm Incorporated (San Diego, US)
An amplifier for amplifying an input signal to generate an output signal,…

Circuit for Thermal Protection in Audio Power Amplifier and Method Thereof
US 08508300 B2, Aug. 13, 2013, Including protection means, Kung-Wang Lee et al. / Generalplus Technology Inc. (Hsinchu, TW)
An audio amplifier, comprising:…

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