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Vega004
New Member

Pakistan
3 Posts
Posted - Nov 09 2013 :  04:24:25 AM  Show Profile  Reply with Quote
Can you tell me the working of the circuit (as I dont know about transistors) you posted here
http://www.aaroncake.net/circuits/jammer.asp

Also do tell the frequencies, this jammer "jams". And if I have to change or alter the frequencies, what do I have to do?
Edited by - Vega004 on Nov 09 2013 04:37:51 AM

Aaron Cake
Administrator

Canada
6718 Posts
Posted - Nov 10 2013 :  10:16:17 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
It's an oscillator driving some high power infra red LEDs. About 40 KHz, which is varied by R3.
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Vega004
New Member

Pakistan
3 Posts
Posted - Nov 10 2013 :  10:51:59 AM  Show Profile  Reply with Quote
quote:
Originally posted by Aaron Cake

It's an oscillator driving some high power infra red LEDs. About 40 KHz, which is varied by R3.


thanks. also tell me the expression to calculate the frequency output.
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