Hmmm... Would a DDS VFO work in the Scout?
> I am going down this same road with my back-pack rig. It's an MFJ 40
> mtr. SSB rig. The VFO is highly unstable and i am going to substitute a
> DDS VFO for the analog VFO that is in the rig. The reason i say "I am
> going to ...." is because i am waiting on NORCAL QRP Club to get their
> FCC-2 DDS VFO kit together as they have sold out and are temporarily out
> of stock. I don't know anything about the N3ZI DDS VFO, however i have
> measured both the frequency and the output power of the stock one in my
> rig and the NORCAL one should work. Have you measured the output of the
> Delta's PTO to determine if the one that you have purchased is compatible?
> Paul (N6MYA)
> lee berman wrote:
>> I am attempting to correct the thermal drift on my 580 Delta PTO, by using a
>> Direct Digitally Synthesized VFO as a remote VFO. The DDS output is said to
>> be ~500mV P-P (I've not measured it myself). To date, I had no success. I
>> wonder if anyone else on this reflector has successfully done this and can
>> point me in the right direction. The unit I'm trying is the one by N3ZI.
>> Other "fixes", such as PTO rebuild, and the K4DPK unit have worked well for
>> many other hams, but not me. The drift is definitely in the PTO, defintely
>> thermally induced and does not settle out after hours of on time, so this is
>> my latest effort at ending it.
>> thanks, ~Lee, W1IDZ
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