[R-390] Solid State Voltage Regulator

[Barry]

Yes, I've seen that one.  I enjoy building and would like to build my own.  It's certainly a fairly simple circuit.

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Jacques Fortin" <jacques.f at videotron.ca>
> To: "n4buq" <n4buq at knology.net>
> Cc: "R-390 Mailing List" <r-390 at mailman.qth.net>
> Sent: Monday, November 28, 2022 2:11:34 PM
> Subject: RE: [R-390] Solid State Voltage Regulator

> Barry, N3LLL also makes a replacement regulator board, plug-in.
> See attached.
> 
> 73, Jacques, VE2JFE in Montreal
> 
> I'm considering building Dr. Jerry's design for the solid-state regulator as
> outlined here:
> https://www.navy-radio.com/manuals/hsn/hsn-issue%2052.pdf
> Rather than having to connect the output to the 180V test jack, I'd prefer
> to make it completely plug-in compatible with the tubes.  This means the
> output will go though the 47-ohm cathode resistors which provide a small
> voltage drop.  Would it be possible to simply add a regular diode(s) in
> series with the 180V zener diode (D1 and D2 for the initial schematic or
> just D4 for the alternate schematic) to increase the output voltage by a
> diode drop or two to do that?
> Thanks,
> Barry - N4BUQ