Re: Topband: BCI chase update

["Rick Karlquist" <richard@karlquist.com>]

N1BUG wrote:

> oscillate. The 25+ dB gain, very low noise figure VHF/UHF preamps I
> am more used to can get pretty squirrelly with something other than
> 50 ohms on the input.
>
> 73,
> Paul N1BUG

On low bands, I routinely put a small (IE 10 pF) capacitor across
the input of RF gain blocks to kill the bandwidth and prevent
high frequency oscillations.  With this in place, they should
be fine with a "short" even if the short is somewhat inductive
at VHF.

Rick N6RK

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UR RST IS ... ... ..9 QSB QSB - hw? BK