Electronics > Beginners
replace 3.58MHz with 3.579545MHz
ifrenide:
Hello, can anybody tell me, if i can replace 3.58MHz with 3.579545mHz?
best regards
jeroen79:
It depends on what you want to do with it.
ifrenide:
hi Jeroen,
I only have 3.579545Mhz crystal , I want to use it with Zilog microcontroller.
best regards
mcovington:
Yes. The person who specified 3.58 probably meant 3.579545 in the first place. That is a standard crystal for American color TVs (old style, NTSC). It is commonly called a 3.58-MHz crystal but is actually 3.579545 plus or minus some tolerance.
ifrenide:
thank you Mcovington,but I saw some pcbs with 3.58MHz ceramic resonator or passive crystal with exacetly 3.58MHz,and other pcbs with 3.579545MHz,without problem.So when we need exact value and when we can use close value?
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