Featured patents

Amplifier With Variable Matching Circuit to Improve Linearity
US 08779857 B2, July 15, 2014, Including frequency-responsive means in the signal transmission path, Yu Zhao et al. / QUALCOMM Incorporated (San Diego, US)
An apparatus comprising:…

Low Power Wide-Band Amplifier With Reused Current
US 08736382 B1, May 27, 2014, Including plural stages cascaded, Thart Fah Voo / Marvell International Ltd. (Hamilton, BM)
A method comprising:…

Chopper Circuitry Operable in a High Temperature Environment of a Turbine Engine
US 08717095 B2, May 6, 2014, With Periodic Switching Input-Output, Jie Yang et al. / Siemens Energy, Inc. (Orlando, US)
A circuitry adapted to operate in a high temperature environment of a turbine…

Transimpedance Amplifier and Light Receiving Circuit
US 08674770 B2, March 18, 2014, Including atomic particle or radiant energy impinging on a semiconductor, Yukiko Takiba et al. / Kabushiki Kaisha Toshiba (Tokyo, JP)
A transimpedance amplifier, comprising:…

Power Amplifier
US 08629724 B2, Jan. 14, 2014, Including frequency-responsive means in the signal transmission path, Jun Goo Won et al. / Samsung Electro-Mechanics Co., Ltd. (Suwon, KR)
A power amplifier, comprising:…

Buffering Apparatus and Method
US 08604880 B2, Dec. 10, 2013, Including field effect transistor, Steven E. Boor / Knowles Electronics, LLC (Itasca, US)
An analog buffer circuit configured to substantially match an output impedance…

Systems and Methods for Over-Current Protection
US RE044525 E1, Oct. 8, 2013, Modulator-Demodulator-Type Amplifier, Michael A. Kost et al. / D2Audio Corporation (Milpitas, US)
A method implemented in a digital amplifier comprising:…

Power Control
US 08570105 B2, Oct. 29, 2013, Bias control signal from input of amplifier, Gerard Wimpenny et al. / Nujira Limited GB
An amplification stage comprising:…

High Frequency Amplifier, Wireless Device, and Control Method
US 08519787 B2, Aug. 27, 2013, With Plural Amplifier Channels, Yoji Murao / NEC Corporation (Tokyo, JP)
A high frequency amplifier comprising:…

Pre-Driver and Digital Transmitter Using the Same
US 08487700 B2, July 16, 2013, Having common mode rejection circuit, Jer-Hao Hsu / Novatek Microelectronics Corp. (Hsinchu, TW)
A pre-driver for driving a transmitter having a first transmitter terminal…

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