Featured patents

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:…

Modulator, Mixer and Method for Amplitude Shift Keying Modulation
US 08797112 B2, Aug. 5, 2014, Amplitude Modulator, Peng Han et al. / Beken Corporation (Shanghai, CN)
An ASK modulator, comprising:…

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:…

Polar Modulation Transmission Circuit and Polar Modulation Transmission Method
US 08742865 B2, June 3, 2014, Including amplitude modulator, Maki Nakamura / Paansonic Corporation (Osaka, JP)
A polar modulation transmission circuit 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:…

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…

Variable Inductor, and Oscillator and Communication System Using the Same
US 08502614 B2, Aug. 6, 2013, Phase Shift Keying Modulator or Quadrature Amplitude Modulator, Takahiro Nakamura et al. / Renesas Electronics Corporation (Kanagawa, JP)
A communication system comprising:…

Polar Modulation Apparatus and Communication Device
US 08466755 B2, June 18, 2013, Including amplitude modulator, Yoshihiro Hara / Panasonic Corporation (Osaka, JP)
A polar modulation apparatus comprising:…

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