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Circuit to measure the frequency of a square wave , where ?
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PJMDS



Joined: 26 Jul 2004
Posts: 2
Post26 Jul 2004 12:49   

Circuit to measure the frequency of a square wave , where ?
A friend of mine ask me if I could find a circuit that can measure the frequency of a square wave and display it on one or more seven segments displays , i couldn't find any circuit on the NET so I'm asking in this great forum , can you help ?
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davorin



Joined: 07 Jun 2003
Posts: 1396
Helped: 8
Post26 Jul 2004 13:00   

Re: Circuit to measure the frequency of a square wave , wher
Have you heard of google? (o;

Returns lots of information when you search for "freqency counter schematic" like:

http://www.cip.physik.uni-muenchen.de/~wwieser/elec/freqcnt/


I assume you want to do it on a discrete basis?
Or you intend to use microcontroller/CPLD/FPGA?
Frequency range?


And do not forget to also search in here!!!!

http://www.edaboard.com/viewtopic.php?t=49753&highlight=frequency+counter
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Post26 Jul 2004 13:00   

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PJMDS



Joined: 26 Jul 2004
Posts: 2
Post26 Jul 2004 13:41   
Cool

I sent those links to my friend , he wanted something simple just to do some experiences , thanks Very Happy
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DarkJedi



Joined: 25 May 2004
Posts: 145
Helped: 9
Location: Lima, Perú
Post26 Jul 2004 15:09   

Re: Circuit to measure the frequency of a square wave , wher
Check this out, maybe it'll help, is not the simplest thing but is very well organized and written.

Sorry, but you need login in to view this attachment
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