> RE reading specs: It is amazing that a number of Ham amplifiers use
> 500pF and 1000pF 5kV doorknob caps for Tank ciruit padders which
> obviously need a cap that can handle more current. The cap mfg's specs
> make it clear that the 500pF and 1000pF units are intended only for
> bypass and coupling service. Thus, to make a 400pF C-tune padder, 4,
> 100pF, 5kV units are paralled on Cu plates. The Alpha 77SX is a good
> bad-example.
>
> cheers.
>
> - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
Amen, Rich!
It is obvious that 160 meters was an after-thought with the
77 series from Alpha. Also, the 77SX tank coil is the same
as the 77DX. (2 tubes vs one)
Another one for the list is the SB-1000 from Heath. A suitable
mica replacement is available from Ameritron for the tank
door knobs in this unit.
(((73)))
Phil, K5PC
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