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low frequency modulator

 
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low frequency modulator
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inportb
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Joined: 30 Aug 2005
Posts: 3

Post low frequency modulator Reply with quote
I need to modulate a signal below 20Hz to like 2kHz-4kHz, so that I can feed the signal into my computer's sound card. I think that can be done with a modified FM modulator, but how do I go about doing this? Diagrams would be helpful... Thanks!
Tue Aug 30, 2005 3:05 pm View user's profile Send private message
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