Featured patents

Power Amplifier, Wireless Communication Device, and Power Amplification Method
US 08797113 B2, Aug. 5, 2014, Plural modulation, Shingo Yamanouchi / NEC Corporation (Tokyo, JP)
A power amplifier comprising:…

Wideband Direct DCO Modulator With In-Band Compensation
US 08803627 B1, Aug. 12, 2014, Phase Modulator, Yang Xu et al. / Innophase Inc. (Chicago, US)
An apparatus 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:…

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:…

Polar Modulation Apparatus and Method With Common-Mode Control
US 08736395 B2, May 27, 2014, Including amplitude modulator, Mihai A. T Sanduleanu et al. / NXP, B.V. (Eindhoven, NL)
A wireless communication apparatus comprising:…

Mixer Cell, Modulator and Method
US 08704606 B2, April 22, 2014, Including discrete semiconductor device, Markus Schimper et al. / Intel Mobile Communications GmbH (Neubiberg, DE)
A mixer cell implemented to logically combine a data signal with an oscillator…

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…

PWM Control Circuit and Motor Equipped With the Same
US 08633780 B2, Jan. 21, 2014, Pulse width modulator, Kesatoshi Takeuchi / Seiko Epson Corporation JP
A pulse width modulation control circuit, comprising:…

Pulse Width Modulation Circuits, Systems and Methods
US 08525609 B1, Sept. 3, 2013, Pulse width modulator, Kannan Sadasivam et al. / Cypress Semiconductor Corporation (San Jose, US)
A pulse width modulation (PWM) system, comprising:…

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