Transmission circuit

Details Transmission circuit Transmission circuit

2011-04-12

2011-04-12

Vuong, Quochien B (Department: 2618)

Telecommunications

Transmitter

Amplitude modulation

C455S110000, C455S127100

Reexamination Certificate

active

07925226

ABSTRACT:
A transmission circuit capable of transmitting a modulated wave signal using polar modulation in a broad band and with low power consumption is provided. The transmission circuit generates an amplitude signal and a phase signal based on data to be transmitted, and separates the amplitude signal into a low-frequency amplitude signal and a high-frequency amplitude signal. The transmission circuit amplitude-modulates the phase signal in a broad band using the high-frequency amplitude signal in a high-frequency voltage control section104and an amplitude modulation section105and amplitude-modulates the phase signal into low power consumption using the low-frequency amplitude signal in a low-frequency voltage control section106and amplitude modulation section107.

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U.S. Patent Notice of Allowance mailed Aug. 9, 2007 for U.S. Appl. No. 11/041,360.
F.H. Raab et al., “High-Efficiency L-Band Kahn-Technique Transmitter”, 1998 IEEE MTT-S int. Microwave Symp. Digest.

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