Featured patents

Poly-Phase Filter, and a Single-Side Band Mixer Including the Same
US 08797111 B2, Aug. 5, 2014, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Kazuaki Oishi / Fujitsu Limited (Kawasaki, JP)
A poly-phase filter inputting an input signal and outputting first-fourth 4-phase…

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:…

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…

Full Spectrum Modulator for Digital Television Signals
US 08610514 B2, Dec. 17, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Kennan Laudel / RGB Networks, Inc. (Sunnyvale, US)
A full spectrum modulator comprising:…

Modulation Apparatus, Phase Setting Method and Test Apparatus
US 08598959 B2, Dec. 3, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Norio Kobayashi / Advantest Corporation (Tokyo, JP)
A modulation apparatus that outputs an output signal having a designated…

Wideband Phase Modulation Methods and Apparatus
US 08508309 B2, Aug. 13, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Earl W. McCune, Jr.
A wideband phase modulator, 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:…

RTWO-based Pulse Width Modulator
US 08487710 B2, July 16, 2013, Pulse width modulator, Andrey Martchovsky et al. / Analog Devices, Inc. (Norwood, US)
A pulse width modulator comprising:…

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