SB-301 Problem

[Mark Graalman WB8JKR]

  The fix is to regulate the HFO B+, I can E mail you the mod.
Very easy to do, change one resistor and add in a couple of
zeners, no trace cutting at all.

Mark  WB8JKR


On Fri, 7 Nov 2003 09:30:30 -0500 "Schichler, Alfred"
<ASchichler at MICROWAVEDATA.COM> writes:
> I have a little problem that I recently noticed with my SB-301, which
> I am
> using with an SB-401 in tranceive configuration. It seems that I was
> told my
> transmit frequency is slightly off from my receive frequency, which
> I later
> verified myself on a separate receiver.
>
> Anyway, after doing some troubleshooting, I found that the LMO
> frequency
> shifts a little bit when the receiver is muted. It must be causing a
> voltage
> line to sag a little or something. I was wondering if anyone else
> had this
> problem, and what the fix might be.
>
> Thanks in advance,
> Al, NE2D
>
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