[time-nuts] Picket fence technique

Peter Vince pvince at theiet.org
Sat Dec 23 10:33:58 EST 2006


>Thus a simple inexpensive single chip divider such as 74HC4017 Johnson
>counter may be used for oscillator frequencies of up to 20MHz or so.

As a slight aside, Google gave me a page with an excellent 
description of Johnson counters:

	http://www.vias.org/feee/shiftreg_07.html


which also had a link to a datasheet on the Texas website:

	http://www-s.ti.com/sc/ds/cd74hc4017.pdf


Peter



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