1_9_kHz_PLL_1

Published:2009/7/5 22:28:00 Author:May | From:SeekIC

Frequency multiplication is achieved with Signetics NE564 PLL by inserting counter in Ioop between VCO and phase comparator. VCO is then running at multiple of input frequency determined by counter; with connections and values shown, multiplication factor for 60-Hz input signal is 100, giving 6-kHz square-wave output.-''SigneticsAnalog Data Manual,''Signetics, sunnyvale,CA,1977,p 830-831



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