Geiger receiver for frequency-selective mismatch correction, has calculation unit that filters input samples from analog-digital converters and derives digital filter coefficients

摘要

The Geiger receiver has analog baseband signal unit to filter analog multi-phase components in radio frequency (RF) signal. the analog-digital converters transform analog polyphase components into digital polyphase components. A Fourier transformer transforms digital polyphase components into polyphase component frequency coefficients. A calculation unit filters input samples from converters and derives digital filter coefficients. A digital filter applies digital filter coefficients to input samples. A controller receives test signal and generates several excitation frequencies. An independent claim is included for method for frequency-selective mismatch correction.