Question about a Crystal oscillator

Thread Starter

Hessam555

Joined Aug 13, 2008
5
i had a question about a Crystal oscillator. the circuit i have seen says i need a Crystal oscillator that is 4mhz and conected to two 22pf caps. is there anyother way i can make a subtitution for it.
 

SgtWookie

Joined Jul 17, 2007
22,210
Crystals are used in certain oscillator circuits because they are far more stable and have a much narrower frequency range than a typical RC or LC circuit. If your circuit had anything to do with timing, you would be very unhappy with it's performance if you substituted an LC or RC circuit.
 
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