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Old 01-17-2016, 04:09 PM
FrancoItaly FrancoItaly is offline
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Join Date: Feb 2006
Location: Liguria, Italy
Posts: 1,378
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Hi Geo,
TR1 is polarised by positive peak from square wave from VCO, C3 acts as high pass filter, but doesn't work if beta of TR1 is too less. The use of resistance is Ok.
Best Regards
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