Featured patents

System and Method of Maintaining Gain Linearity of Variable Frequency Modulator
US 08786377 B2, July 22, 2014, Pulse width modulator, Steven P. Laur et al. / Intersil Americas LLC (Milpitas, US)
A variable frequency modulator, comprising:…

Polar Signal Generator
US 08872596 B2, Oct. 28, 2014, Including amplitude modulator, Paulus T. M. Van Zeijl et al. / NXP, B.V. (Eindhoven, NL)
A polar signal generator for deriving phase and amplitude components…

Pulse Width Modulation Circuit and Voltage-Feedback Class-D Amplifier Circuit
US 08860523 B2, Oct. 14, 2014, Pulse width modulator, Naoya Odagiri / Renesas Electronics Corporation (Kawasaki-Shi, Kanagawa, JP)
An amplifier circuit comprising:…

Decomposer and Amplifier
US 08766738 B2, July 1, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Manel Collados et al. / NXP, B.V. (Eindhoven, NL)
A quadrature out-phasing system comprising:…

Modulator and an Amplifier Using the Same
US 08749317 B2, June 10, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Alexander N. Lozhkin / Fujitsu Limited (Kawasaki, JP)
A linear amplification with nonlinear components (LINC) modulator, comprising:…

Method and Digital Circuit for Generating a Waveform From Stored Digital Values
US 08742864 B2, June 3, 2014, Phase or frequency locked loop, Xiaohua Kong et al. / QUALCOMM Incorporated (San Diego, US)
A method comprising:…

Pulse Modulated RF Power Control Method and Pulse Modulated RF Power Supply Device
US 08704607 B2, April 22, 2014, Amplitude Modulator, Yoshihisa Hata et al. / Kyosan Electric Mfg. Co., Ltd. (Yokohama-shi, JP)
A pulse modulated RF power control method for controlling RF power to be supplied…

Radio Transmitter
US 08669826 B2, March 11, 2014, Phase or frequency locked loop, Hiroyuki Ishibashi / Kabushiki Kaisha Kenwood (Tokyo, JP)
A radio transmitter comprising:…

Transmission Circuit, Communication Apparatus, and Transmission Method
US 08653902 B2, Feb. 18, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Ryo Kitamura / Panasonic Corporation (Osaka, JP)
A transmission circuit comprising:…

Through-Zero Pulse-Width Modulation Process With Period-Average-Zero
US 08531251 B2, Sept. 10, 2013, Pulse width modulator, Lester F. Ludwig / Pike Group LLC (Dover, US)
A method comprising:…

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