[Elecraft] Oddity in K3 with new synthesizer

Grant Youngman nq5t at tx.rr.com
Sat Mar 5 16:42:56 EST 2016


I think the spec is relative to the TCXO frequency, which is nominally 49.380 MHz, NOT the dial frequency.  I'd happy to be corrected ...

So 20 Hz against the TCXO nominal is quite within spec. 

Grant NQ5T

Sent from my iPhone

> On Mar 5, 2016, at 2:18 PM, Clay Autery <cautery at montac.com> wrote:
> 
> Technically, whether the 20 Hz correction is within spec depends upon
> the frequency where the measurement was taken...
> 
> At 20 MHz, the 20 Hz correction is AT the spec limit.
> 
> Above 20 MHz, the correction would be WITHIN the spec.
> 
> Anything BELOW 20 MHz, a 20 Hz correction is OUTSIDE the spec.
> 
> Have an awesome day!  Back to building...
> 
> 
>> On 3/5/2016 11:57 AM, GRANT YOUNGMAN wrote:
>> 20 Hz is well within the +/- 1 ppm (or the “typical +/- 0.5 ppm) spec of the TCXO ...
>> 
>> Grant NQ5T
>> K3 #2091, KX3 #8342
> 
> ______________________
> Clay Autery, KG5LKV
> MONTAC Enterprises
> (318) 518-1389
> 
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