Featured patents

Translinear Slew Boost Circuit for Operational Amplifier
US 08866554 B2, Oct. 21, 2014, Having particular biasing arrangement, Thomas Lloyd Botker / Linear Technology Corporation (Milpitas, US)
An amplifier circuit with improved slew rate comprising:…

Doherty Amplifier Circuit With Phase-Controlled Load Modulation
US 08779856 B2, July 15, 2014, Including plural amplifier channels, Saurabh Goel et al. / Infineon Technologies AG (Neubiberg, DE)
A Doherty amplifier circuit, comprising:…

RF Power Amplifier Circuit With Mismatch Tolerance
US 08710925 B2, April 29, 2014, Bias control signal from input of amplifier, Serge Francois Drogi et al. / Quantance, Inc. (San Mateo, US)
A radio frequency (RF) power amplifier system comprising:…

Using a New Synchronization Scheme for a Multi-Channel Class-D Amplifier
US 08618875 B2, Dec. 31, 2013, Modulator-Demodulator-Type Amplifier, Isao Ginn Anazawa / BlackBerry Limited (Waterloo, Ontario, CA)
A multi-channel class-D amplifier comprising:…

Versatile Audio Power Amplifier
US 08558618 B2, Oct. 15, 2013, Including Class D amplifier, Timothy Sheen et al. / Bose Corporation (Framingham, US)
An audio power amplifier comprising:…

Circuit for Compensating Base Current of Transistor and Amplifier Circuit Provided With the Same
US 08564372 B2, Oct. 22, 2013, Including particular biasing arrangement, Akira Saito / Kabushiki Kaisha Toshiba (Tokyo, JP)
A circuit for compensating fluctuation of a base current of a transistor…

Boost Charge-Pump With Fractional Ratio and Offset Loop for Supply Modulation
US 08519788 B2, Aug. 27, 2013, With Control of Power Supply or Bias Voltage, Nadim Khlat / RF Micro Devices, Inc. (Greensboro, US)
A power management system for a linear radio frequency power amplifier…

Circuit and Method for Amplifying a Digital Signal
US 08525593 B2, Sept. 3, 2013, Including Class D amplifier, QiYu Liu / STMicroelectronics (Shenzhen) R&D Co. Ltd. (Shenzhen, CN
An amplifier circuit, comprising:…

Transimpedance Amplifier, Integrated Circuit and System
US 08466741 B2, June 18, 2013, Combined With Automatic Amplifier Disabling Switch Means, Daisuke Umeda / Sumitomo Electric Industries, Ltd. (Osaka, JP)
An integrated circuit comprising:…

Radiation Hardened Differential Amplifier
US 08451062 B2, May 28, 2013, Including plural amplifier channels, James D. Seefeldt et al. / Honeywell International Inc. (Morristown, US)
A method of amplifying a differential voltage signal, the method comprising:…

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