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Old 11th Oct 2017, 9:15 pm   #3
Herald1360
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Join Date: Feb 2007
Location: Leominster, Herefordshire, UK.
Posts: 16,527
Default Re: DABAR mystery circuit

OK, with 0-50-100K between the points we get the results attached.

I guess it would give a sort of wah-wah sound if waggled.

FWIW the emitter resistor had to be set at max to get the operating point even vaguely usable (about 1.5V on the collector).
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Last edited by Herald1360; 11th Oct 2017 at 9:22 pm.
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