It seems that many want a premium SSB board. Mr Stewarts pre-filter has
great merit.
I Designed an RF speech clipper. I have not built a prototype yet.
There was also a circuit in one of the worst radio's I have ever owned. The
yeasu Ft707 used
dual 8 pole filters in the 2nd IF. In between the 2 filters was a VCO. This
gave an excellent IF
width control. far superior to simple IF shift.
The anague IF width was the pre-curser to Kenwoods VBT.
I would venture that many K2 owners would like to have a choice of no
SSB board, the $89 dollar value SSB board, and a premium deluxe SSB board.
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