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How useful is triangle wave in function generator ?

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If you want an audio signal generator and spectrum analyser then consider using a PC sound card.
I posted this a few days ago:

--- Quote from: jimmc on April 03, 2010, 10:19:33 am ---I came across this website a while ago...
I've used older versions the software for some time and the Spectrum Analyser works well,
the latest version has the facility to measure R, L & C with a simple external circuit (two OP-Amps and a few resistors + decoupling!).


--- End quote ---

Can also generate two channels of sine, square, triangle, noise etc. with frequency sweep if required.

My scope has FFT  ;D and yeah u can always use soundcard. But i wanna play with things like SMPS and Tesla coils.


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