[Boatanchors] Solid state VFO - DX100?

Kim Herron kherron at voyager.net
Wed Jul 21 09:34:39 EDT 2004


Hi Guys!!


>StephenTetorka at cs.com wrote:
> >
> > Hello All:
> >  Thinking about putting a solid state VFO into my DX100.
> >  Anyone have a schematic...comments etc.
> >
>
>Doesn't the DX-100 have a decent built-in tube VFO?

       Yes it does, but some guys don't like the fact that it will drift as 
it warms up.
But rather than SS'ing the VFO complete, you'd be FAR further ahead doing 
two things.
First is to leave the heater to the VFO tube on al the time (gotta add an 
extra transformer
for the heater circuit to the VFO tube) and the second is to put a SS 
voltage regulator circuit
in the VFO supply so it doesn't change and cause instability in the 
oscillator circuit.  You fix all that
stuff when you do the SS conversion, but this is less work.


Thanks!!

Kim Herron  W8ZV
1-616-677-3706 



More information about the Boatanchors mailing list