Hauptman Ham, LLP
Communication system and method of data communications
A communication system includes a modulator configured to generate a modulated signal responsive to at least a data signal, and a demodulator configured to demodulate the modulated signal responsive to a first carrier signal. The demodulator includes a filter configured to generate a filtered first signal based on a first signal, and a gain adjusting circuit coupled to the filter. The first signal is based on the first carrier signal and modulated signal. The filter has a gain controlled by a set of control signals. The gain adjusting circuit is configured to adjust the gain of the filter, and to generate the set of control signals based on a voltage of the filtered first signal and a voltage of the first signal. The gain adjusting circuit includes a first peak detector coupled to the filter, and configured to detect a peak value of the voltage of the filtered first signal.
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
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Lan-Chou William Wu Chewn-Pu Feng Wei Huan-Neng
Cho Shen Jou Kuo Chen