On 05/12/2022 10:49, Ottavio Caruso wrote:
> Op 04/12/2022 om 05:34 schreef brian:
>>> You can buy two for £22 (notice the £1 delivery charge) and use one
>>> of the 2 as BFO. I am actually thinking of doing that myself. My only
>>> reservation is that digital tuning radios are quite noisy.
>>> The seller has only 98% positives. I'd stay away from any seller who
>>> hasn't at least 99.5%.
>> Using a second radio as a bfo, may not work since there is no
>> conventional IF offset in modern digital radios. Look at the block
>> Brian GM4DIJ
> Oops. That's why I prefer analog radio, however what if:
> 1) You just put the two radio at the same frequency, that should well
> generate a beat oscillation, no?
> 2) You put a cw transmitter near to it, a la Peter Parker vk3ye of
> Youtube fortune? That also should give a beat oscillation?
you won't get within 5Kc/s of the frequency