FSK_DETECTOR

Published:2009/7/15 4:04:00 Author:Jessie | From:SeekIC

Exar XR-5200 PLL IC is connected as modem suitable for Bell 103 or 202 data sets operating at data transmission rates up to 1800 bauds. Input frequency shift corresponding to data bit reverses polarity of DC out-put voltage of multiplier. DC level is changed to binary output pulse by gain block connected as voltage comparator. - Phase-Locked Loop Data Book, Exar Integrated Systems, Sunny-vale, CA, 1978, p 9-16.



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