A digital FM demodulator for FM, TV, and wireless Export

@article{Song95, abstract = {An FM demodulator is implemented digitally in software using a quadri-correlator algorithm so that the FM function can be made compatible with future digital wireless and FM receiver systems. The proposed digital FM demodulator uses a sinc³ decimation filter with its first zero either on the alternate channels or on the adjacent channels for high channel selectivity, a digital differentiator using a three-point approximation for frequency discrimination, and a digital division for AM rejection. A bitstream FM signal from a fourth-order bandpass delta-sigma modulator is FM-demodulated to exhibit a SNDR of 71 dB, a THD of 0.010\%, and an AM rejection of 77 dB in simulations using a signal bandlimited to ¹/₂₀₀ of the sampling frequency and amplitude-modulated with a modulation index of 0.9 (90\% AM)}, author = {Song, Bang-Sup and Lee, In S.}, booktitle = {Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on [see also Circuits and Systems II: Express Briefs, IEEE Transactions on]}, citeulike-article-id = {2372676}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/82.476180}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=476180}, doi = {10.1109/82.476180}, journal = {Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on [see also Circuits and Systems II: Express Briefs, IEEE Transactions on]}, keywords = {fm\_demod}, number = {12}, pages = {821--825}, posted-at = {2008-02-14 05:52:39}, priority = {2}, title = {A digital FM demodulator for FM, TV, and wireless}, url = {http://dx.doi.org/10.1109/82.476180}, volume = {42}, year = {1995} }

TY - JOUR ID - Song95 L3 - citeulike-article-id:2372676 N2 - An FM demodulator is implemented digitally in software using a quadri-correlator algorithm so that the FM function can be made compatible with future digital wireless and FM receiver systems. The proposed digital FM demodulator uses a sinc³ decimation filter with its first zero either on the alternate channels or on the adjacent channels for high channel selectivity, a digital differentiator using a three-point approximation for frequency discrimination, and a digital division for AM rejection. A bitstream FM signal from a fourth-order bandpass delta-sigma modulator is FM-demodulated to exhibit a SNDR of 71 dB, a THD of 0.010%, and an AM rejection of 77 dB in simulations using a signal bandlimited to ¹/₂₀₀ of the sampling frequency and amplitude-modulated with a modulation index of 0.9 (90% AM) IS - 12 JF - Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on [see also Circuits and Systems II: Express Briefs, IEEE Transactions on] EP - 825 TI - A digital FM demodulator for FM, TV, and wireless VL - 42 T2 - Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on [see also Circuits and Systems II: Express Briefs, IEEE Transactions on] SP - 821 KW - fm_demod AU - Song, Bang-Sup AU - Lee, In PY - 1995/// UR - http://dx.doi.org/10.1109/82.476180 ER -