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Posted by manjunatha s m on February 20, 2009, 2:59 am
we needkhz crystal for our project but its nnot available in market. but 4Mhz crystal is available.how to divide that without affecting its range ,q-factor etc....

Replies to This Discussion

Reply by Jesal Mehta on February 20, 2009, 11:36 am
I'm not sure if I understand the application. Can you be explicit on the application. If you use a straight up divider (divide by 1000) you should be ok.
Reply by manjunatha s m on March 2, 2009, 2:38 am
we are doing ultrasonic motion detector.for that we need 40khz crystal,but that is not available now.but they are available in Mhz range. nearest available is 32khz.
Reply by Jesal Mehta on March 5, 2009, 12:15 pm
You can use 40MHz crystal and divide by 1000 to get 40kHz
Reply by manjunatha s m on March 23, 2009, 5:57 am
yes, we can devide it by 1000. wil it affect its q-factor or range? please forward the circuit needed for that to mail id:sm.manjunatha@gmail.com
Reply by Mehmet Mete on January 17, 2011, 6:59 pm
There are 38 KHz crystals widely available in the markets.I hope this can help..
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