DUAL_TONE_DECODER

Published:2009/7/20 1:29:00 Author:Jessie | From:SeekIC

Used in communication systems where control or other information is transmitted as two simultaneous but separate tones Circuit uses two Exar XR-567 PLL units in parallel, with resistor and capacitor values of each PLL decoder selected to provide desired center frequencies and bandwidth requirements supply voltage is 5-9V.－ Phase-Locked Loop Data Book. Exar Integrated systems,Sunnyvale,CA,1978,p41－48.



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