[Heathkit] HP-23x voltage setting

Ted Bruce kilocycles at yahoo.com
Sun May 1 18:49:11 EDT 2005


Rich,
The voltage should be ID'ed as 300 VDC instead of 350,
should it not?  I looked at that closely after an
earlier post, because, as usual, I screwed something
up.  Back when I had an SB-100 about 35 years ago, the
HP-23 had just the on-off positions instead of the
250-off-300 positions.  When I went through the
checkout and alignment of an HW-101 I acquired earlier
this year, for some reason I thought that 250 was the
correct setting and that 300 was for compatibility
with other rigs.  Doh!

That explains why I have reduced output; the voltage
at the screen grids are too low!

73,
Ted KX4OM

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