[time-nuts] Programmable clock for BFO use....noise

paul swed paulswedb at gmail.com
Fri Sep 14 15:05:09 EDT 2018


Not sure it would be the noise divided by 4. Not a useful answer.
I looked at those types of units. I thought they were factory programmed.
I may be wrong but was not of the opinion they were single unit buys.
Regards
WB8TSL

On Fri, Sep 14, 2018 at 12:14 PM, <lstoskopf at cox.net> wrote:

> Off topic for this list, but you guys are experts in oscillator noise!
>
> Playing with some mechanical filters.  Need USB and LSB crystals for the
> BFO.  No one seems to make crystals anymore, especially in the 253 KHz
> range!
>
> Looking at the DigiKey Cardinal programmable oscillators.  Cheap and
> available: CPPC1LZ A5B6
>
> Anyone have an idea how noisy these would be after a division by 4 to get
> them in range?
>
> Thanks,
>
> N0UU
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