Featured patents

Power Amplifier System
US 08816774 B2, Aug. 26, 2014, Including particular biasing arrangement, Jun Kyung Na et al. / Samsung Electro-Mechanics Co., Ltd. (Suwon, KR)
A power amplifier system comprising:…

Analog Circuit and Display Device and Electronic Device
US 08680917 B2, March 25, 2014, Combined With Automatic Amplifier Disabling Switch Means, Hajime Kimura / Semiconductor Energy Laboratory Co., Ltd. (Atsugi-shi, Kanagawa-ken, JP)
An electronic device comprising:…

Electronic Circuit for Driving a Switching Amplifier
US 08659351 B2, Feb. 25, 2014, Modulator-Demodulator-Type Amplifier, Giovanni Gonano et al. / STMicroelectronics S.r.l. (Agrate Brianza, IT)
An electronic circuit for driving a switching amplifier, the circuit comprising:…

Op-Amp Sharing by Swapping Trans-Conductance Cells
US 08643432 B1, Feb. 4, 2014, With Periodic Switching Input-Output, Chi Hong Chan et al. / Hong Kong Applied Science & Technology Research Institute Company Ltd. (Hong Kong, HK)
A dual-channel switched-capacitor amplifier comprising:…

Current Limiting Circuit
US 08648661 B1, Feb. 11, 2014, Having attenuation means in signal transmission path, Adam Dolin / Anadigics, Inc. (Warren, US)
A current limiting circuit comprising:…

Dual Band Amplifier
US 08610504 B2, Dec. 17, 2013, Including plural amplifier channels, Gordon Glen Rabjohn / Sige Semiconductor, Inc. (Ottawa, CA)
A dual band amplifier comprising:…

Current Buffer
US 08604876 B2, Dec. 10, 2013, Having field effect transistor, Namsoo Kim et al. / QUALCOMM, Incorporated (San Diego, US)
A current filtering current buffer amplifier comprising:…

Differential Amplifier and Method for the Operation of a Differential Amplifier
US 08476974 B2, July 2, 2013, Sum and Difference Amplifiers, Wolfgang Duenser et al. / AMS AG (Unterpremstaetten, AT)
A differential amplifier comprising:…

LCD Driving Circuit Using Operational Amplifier and LCD Display Apparatus Using the Same
US 08476977 B2, July 2, 2013, Having signal feedback means, Kouichi Nishimura / Renesas Electronics Corporation (Kanagawa, JP)
A display driving circuit for use with a display panel, comprising:…

Multiple Input Variable Gain Amplifier
US 08456236 B2, June 4, 2013, Having gain control means, Oystein Moldsvor et al. / Hittite Microwave Norway AS (Tiller, NO)
A variable gain amplifier (VGA) comprising:…

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