[Milsurplus] RCA Radios

[Al Klase]

Jack Antonio wrote:
>
> ......But I'm thinking the 6L6 oscillator design may be a little hard
> on crystals, so I didn't go too much farther with it, like checking
> modulation and FM'ing.  The AVT-15 is still awaiting its turn back on
> the bench.
Hi Jack,

The old trick here is to put a #49 pilot lamp, 2 volts - 60 mA, in 
series with the crystal.  The filament increases n resistance with 
increasing xtal current, and keeps things under control.  I did this in 
a TBX-4 a while back.

Al

-- 
Al Klase - N3FRQ
Flemington, NJ
http://www.skywaves.ar88.net/