Featured patents

Amplifier Circuit
US 08786366 B1, July 22, 2014, Having push-pull amplifier stage, Rinaldo Zinke et al. / Intel Mobile Communications GmbH (Neubiberg, DE)
An amplifier circuit comprising…

Power Amplification Apparatus
US 08803613 B2, Aug. 12, 2014, Including frequency-responsive means in the signal transmission path, Ryo Mochizuki / Kabushiki Kaisha Toshiba (Minato-Ku, Tokyo, JP)
A power amplification apparatus comprising:…

Low-Noise Amplifier With High Linearity
US 08803612 B1, Aug. 12, 2014, Including particular biasing arrangement, Chee Ling Wong et al. / Scientific Components Corporation (Brooklyn, US)
A low-noise amplifier with high linearity 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:…

RF Power Amplifiers With Improved Efficiency and Output Power
US 08686796 B2, April 1, 2014, Having different configurations, Calogero D. Presti / QUALCOMM Incorporated (San Diego, US)
An apparatus comprising:…

Radio-Frequency Power Amplifier With Fast Envelope Tracking
US 08669811 B2, March 11, 2014, Bias control signal from input of amplifier, Nicolas Le Gallou et al. / Agence Spatiale Europeenne (Paris, FR)
A radio-frequency power amplifier with envelope tracking, comprising:…

Time Difference Amplifier and Amplification Method Using Slew Rate Control
US 08669810 B2, March 11, 2014, Sum and Difference Amplifiers, Hong June Park et al. / Postech Academy-Industry Foundation (Pohang-Si, Gyeongsangbuk-Do, KR)
A time difference amplifier using slew rate control, comprising:…

Amplifier Calibration
US 08653890 B1, Feb. 18, 2014, With Plural Amplifier Channels, Abdulrhman M. S. Ahmed et al. / Freescale Semiconductor, Inc. (Austin, US)
A method of calibrating an amplifier having a first amplification path…

Temperature Compensated Feedforward Linearizer
US 08514020 B2, Aug. 20, 2013, With Amplifier Bypass Means, Thomas E. Collins, III et al. / BAE Systems Information and Electronic Systems Integration Inc. (Nashua, US)
A method for making a feedforward linearizer device, the method comprising…

Instrumentation Input Systems
US 08451052 B2, May 28, 2013, With d.c. Reinsertion Circuit, Barrie Gilbert / Analog Devices, Inc. (Norwood, US)
An input stage for an instrumentation system, the input stage comprising:…

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