[Boatanchors] General Coverage for Ham Receivers

[Darrell Brooks]

I use a QRP Labs DDS VFO with my Drake R-4C. It woks magnificently. 
Every bit as good as The FS-4.

Darrell


On 11/11/2023 9:51 AM, Keith Densmore wrote:
> Greetings to All,
> Over the years I have owned  receivers with a crystal controlled front end.
> Usually they are limited to a set number of bands determined by the number
> of crystals they contain. The design uses both solid state and tube sets
> and includes Collins, Drake, Heath and others.
> The only set that had a 'converter' to give general coverage was the Drake
> R-4C which used the FS-4 to generate crystal frequencies to give Short wave
> coverage from a ham receiver.
> I recently picked up a Allied SX-190 and am curious if anyone has played
> around with using a DDS generator to expand frequency range of  receivers
> of this type. Not much on the internet and there is an array of signal
> generators (mostly Chinese). I hope someone can cut through the confusion.
> Thanks,
> Keith ve3gem
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