[Heathkit] Modern VFO?

[Ed - K9EW]

>
> Hi Lee,
>
> I've used a couple of different DDS-type signal sources as a VFO for my
> boatanchor rigs, including a DX-20, and DX-60.
>
> The DDS sources are usually set up to either *display* (not read)
> frequency directly, or to incorporate an offset if the transmitter does any
> mixing of the VFO signal to get the desired transmit signal.  Although
> you're still *displaying* (not reading) the transmit frequency, you can
> do a calibration correction so that the display will read the same as a
> counter.
>
> Hope that answers your question.
>
> 73,
> ed - k9ew
>
>
>
> On Mon, May 27, 2013 at 12:07 PM, L L bahr <pulsarxp at embarqmail.com>wrote:
>
>> I've been thinking about acquiring a modern SS Digital VFO to drive my
>> old Heathkit transmitters such as a DX-60, DX-100, etc. I know there are a
>> few on the market.  What has been stopping me is the display most likely
>> will show the output frequency of the VFO rather then the rigs operating
>> frequency.  This kind of turns me off to the idea.
>>
>> I'm curious to know what others have done who have gone ahead of me on
>> all this.  Right now I use crystals and old Heathkit VFOs and they are OK.
>>  I have even built up a separate power supply for the VFO which helps out
>> with the chirp.  I'm just thinking it would be great to have an almost zero
>> drift VFO which shows the actual transmitters output frequency rather then
>> just the VFO frequency. Any of you chaps doing this right now?  I'd be
>> interested in knowing what you did.
>>
>> Lee, w0vt
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>
>