Curt and the group,
Nope, the 104 did not have a RIT. Heathkit relied on the external VFO to
function as a rec only RIT.
The only problem I have is the lack of gray matter when it comes to writing the
sketch for the Nano.
Mike, WB8VGE
SunLight Energy Systems
The Heathkit Shop
http://www.theheathkitshop.com/
J e e p
o|||||||o
> On Oct 29, 2017, at 3:47 PM, Curt Benjamin via TenTec <tentec@contesting.com>
> wrote:
>
> Thanks Steve but that's the code that I was talking about. I already have
> AD7C's code modified to tune 5 to 5.5 MHz, I just need it to shift frequency
> slightly with a DC voltage for RIT. AD7C , himself was one who said he tried
> to map an analog input on the Arduino to a frequency shift and didn't like it
> because he said it wasn't smooth enough to use for RIT. That's why I'm trying
> to do it this way - to mix a VXO with the DDS in order to get a RIT line.
>
> I can post the code I have so far right here, if that's okay with the
> moderators. Also, where's a good place to post pics and schematics so folks
> here can access them?
>
> Also, Mike... If that's all you need... a DDS that has an input line that
> applies a shift in frequency, then code like the modified AD7C code would
> work. Are you sure there's not a voltage-controlled RIT line needed in the
> SB-104?
>
> Curt K8AI
>
>
> http://lists.contesting.com/mailman/listinfo/tentec
>
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