>
>Way back when G2DAF first published his design (which used 4-125s), G6JP who
>was heavily involved in valve design and manufacture at GEC criticised it as
>inherently bad for linearity. George's star was not in the ascendent in RSGB
>at the time, and for some reason, the 'snake oil' charm of the '2DAF won the
>day.
? .... hardly a good day for RSGB credibility.
>Perhaps one question that should be answered is: 'If it is so
>inherently good a design, offering so many advantages in low cost, why
>wasn't it taken up by the Marconis, Collins, Racals, etc of this world?'
? ... because it produces abundant feculence with voice modulation.
>
>I expect it's OK for CW or RTTY, though.
>
? Indeed, Peter, indeed. For DAF-disciples, the Great Satan is the
dreaded voice-modulation, total IMD test.
- cheers
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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