|26th January 2013, 09:57 AM||#31|
Join Date: Dec 2004
Location: Next door
I built it, tt was a very ambitious project for me but I ended with success.
The settings of the adjustable resistors and calibration of the lot with the sound card were not easy, they may need new trims form time to time.
I sometimes get a burst of the 4th harmonic but did not identify its origin.
The amplitude stabilization using an opto-coupler like Janacek did seems to me preferable.
I did not measure caps with it yet, I mainly use it to check performances of amplifying circuits.
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