ok try to use a crystal oscillator 20M and a multiplier and configure it but 2 "20X2=40M"
there are alot of frequency generator ic ,i used one before but i couldn't remember its name now see this ic "MAX038"
but look at this link
http://www.google.com.eg/search?hl=ar&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=1Kl&q=frequency+generator+IC&btnG=%D8%A8%D8%AD%D8%AB!&meta=
hi mr_byte31,
Thanks for the reply.. I downloaded the datasheet of max 038. Can u upload fully working circuit of my desired specifications with component value(if u have it already)...
Thanks in advance....