[R-390] New docs in Tutorial section of our R-390 disk, 1 Newbie

[Jim Shorney]

Drake solved the same issue in the 2-A/B receivers by using a 8BN8 tube instead of a 6BN8. More than one way to skin a cat.

73

-Hun
NU0C

On Tue, 14 Jul 2020 21:52:12 -0700
Larry H <larry41gm at gmail.com> wrote:

> The 2nd document is about why there is a dropping resistor in the noise
> limiter filament string in the R-39x and many other receivers.  David Wise
> posted some information about it in 2009, but I missed it.  So, here is the
> complete story:
> 
> http://r-390a.net/Haney_R-390A_Limiter_Filament_Dropping_Resistor.pdf