A 5-MHz IF digital FM demodulator Export

@article{Song99, abstract = {Key requirements for digital frequency-modulation (FM) demodulators are wide spurious-free dynamic range in the intermediate-frequency quantizer, linear-phase passband filtering, and accurate frequency discrimination. The proposed FM demodulator implemented digitally achieves high linearity by numerical differentiation performed at a 112\× oversampling rate, suppresses adjacent channels by placing zeros of the SINC function on them, and rejects amplitude-modulation (AM) components by numerical division. A 5-MHz FM demodulator integrated with a fourth-order bandpass delta-sigma front end exhibits 74.7 dB signal-to-noise ratio, -80.7 dB total harmonic distortion, and 61 dB AM rejection within a 9-kHz message bandwidth. The 0.65-\μm CMOS chip occupies 3.5\×3.5 mm² of active area and consumes 180 mW with 4-V supply when clocked at 20 MHz}, author = {Park, J. and Joe, E. and Choe, Myung-Jun and Song, Bang-Sup}, booktitle = {Solid-State Circuits, IEEE Journal of}, citeulike-article-id = {2372686}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/4.736650}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=736650}, doi = {10.1109/4.736650}, journal = {Solid-State Circuits, IEEE Journal of}, keywords = {fm\_demod}, number = {1}, pages = {3--11}, posted-at = {2008-02-14 05:59:36}, priority = {2}, title = {A 5-MHz IF digital FM demodulator}, url = {http://dx.doi.org/10.1109/4.736650}, volume = {34}, year = {1999} }

TY - JOUR ID - Song99 L3 - citeulike-article-id:2372686 N2 - Key requirements for digital frequency-modulation (FM) demodulators are wide spurious-free dynamic range in the intermediate-frequency quantizer, linear-phase passband filtering, and accurate frequency discrimination. The proposed FM demodulator implemented digitally achieves high linearity by numerical differentiation performed at a 112× oversampling rate, suppresses adjacent channels by placing zeros of the SINC function on them, and rejects amplitude-modulation (AM) components by numerical division. A 5-MHz FM demodulator integrated with a fourth-order bandpass delta-sigma front end exhibits 74.7 dB signal-to-noise ratio, -80.7 dB total harmonic distortion, and 61 dB AM rejection within a 9-kHz message bandwidth. The 0.65-μm CMOS chip occupies 3.5×3.5 mm² of active area and consumes 180 mW with 4-V supply when clocked at 20 MHz IS - 1 JF - Solid-State Circuits, IEEE Journal of EP - 11 TI - A 5-MHz IF digital FM demodulator VL - 34 T2 - Solid-State Circuits, IEEE Journal of SP - 3 KW - fm_demod AU - Park, J AU - Joe, E AU - Choe, Myung-Jun AU - Song, Bang-Sup PY - 1999/// UR - http://dx.doi.org/10.1109/4.736650 ER -