[R-390] First Xtal osc low voltage

[Larry H]

Hi Dave, Glad that's all it was.

The problem with too high of injection voltage is possible increased noise
and distortion.  I would not worry at 15, but 20 I don't know.

Regards, Larry

On Sat, Jul 13, 2019 at 8:21 AM dog <agfa at hughes.net> wrote:

> OK, I forgot that the first mixer osc only works below 8MHz, first thing
> I noticed when going through the testing, well, I put the MC to 7 and
> low and behold, the voltage whacks up to -20VDC at E209. Sounds a bit
> excessive to me but then there's the 'or more' caveat? I'm not finding
> an adjustment proceedure for that 1st mixer in any books I have but it
> adjusts fine with T207. I don't ever remember adjusting that 1st mixer
> osc. It probably never needed it. At least I'm glad I have enough, it
> seems in the past when I messed with these oscillators, there was never
> enough, but then I probably had the radio in AGC instead of STBY.
>
>
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