Gordon,
The voltage doubler is applied to both input and output diodes.? Maybe the 10-meter filter is turning on enough to allow the harmonics through?? Just a guess.
All,
Has anyone else seen the harmonics issue with the V2?? Ashhar Farhan has stated that all V2 sbitx are tested with a spectrum analyzer for signal purity before shipment.
73
Evan
AC9TU
