Featured patents

Low-Noise Amplifiers for RF Receiver
US 08754710 B2, June 17, 2014, Including plural amplifier channels, Si-Ning Zhou et al. / MStar Semiconductor, Inc. (Hsinchu, TW)
A low noise amplifier, comprising:…

Class E Amplifier Overload Detection and Prevention
US 08736368 B2, May 27, 2014, Including Class D amplifier, Stanley Slavko Toncich et al. / QUALCOMM Incorporated (San Diego, US)
A method of controlling operation of an amplifier comprising:…

Method and Apparatus for Respectively Calibrating a Gain of a Plurality of Amplfiers of an Amplfier Circuit
US 08742850 B1, June 3, 2014, Including temperature compensation means, Sang Won Son et al. / Marvell International Ltd. (Hamilton, BM)
A method of on-chip gain calibration for a semiconductor die, the method…

Amplification Circuit Comprising Input Signal Limiting Network
US 08680926 B2, March 25, 2014, Including protection means, Marek Matej et al. / Invensense, Inc. (San Jose, US)
An integrated amplification circuit for a transducer signal comprising:…

Conditionally-Stable Operational Amplifier With Tunable Wideband Buffers
US 08659357 B1, Feb. 25, 2014, With control of input electrode or gain control electrode bias, Honglei Wu / Google Inc. (Mountain View, US)
A method for processing signals, the method comprising:…

Asymmetric Multilevel Outphasing Architecture for RF Amplifiers
US 08659353 B2, Feb. 25, 2014, With Plural Amplifier Channels, Philip Godoy et al. / Massachusetts Institute of Technology (Cambridge, US)
A radio frequency (RF) circuit comprising:…

Re-Configurable Amplifier
US 08610502 B2, Dec. 17, 2013, Including distributed parameter-type coupling, Joakim Nilsson / SAAB AB (Linköping, SE)
An amplifier stage in a radar system, comprising:…

Single-To-Differential Conversion Circuit
US 08576012 B2, Nov. 5, 2013, Including balanced to unbalanced circuits and vice versa, Hsien-Ku Chen / Realtek Semiconductor Corp. (Hsinchu, TW)
A single-to-differential conversion circuit, comprising:…

Power Amplifier
US 08536948 B2, Sept. 17, 2013, Having transformer, Yasufumi Kawai et al. / Panasonic Corporation (Osaka, JP)
A power amplifier for amplifying an input signal and outputting the amplified…

Headphone Driver/Charge Pump Combination
US 08476978 B2, July 2, 2013, Including particular power supply circuitry, Tony Doy / Maxim Integrated Products, Inc. (San Jose, US)
An amplifier circuitry for directly driving stereo headphones, the headphones…

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