At one time you could buy divider chips which used the a 3.5795454 MHz 
crystal to produce, for example, 1 sec. pulses for a clock.  So they 
could be in a multitude of devices. 
 
Dave 
 
 On Jan 5, 2005, at 11:16 PM, Ken Brown wrote: 
 
Hi Bob and group, 
 
What Uses Color Decoders
 A very good question, and you have explained it very well. Another 
good question is: What uses 3.5795454 crystals? The answer is: Many 
many things that need a crystal oscillator for stability, but don't 
care too much about what the frequency is, because those particular 
crystals are manufactured in great quatities for use in consumer video 
equipment, they are very cheap and plentiful. 
 
DE N6KB 
 
 
 
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