[Elecraft] PLL Range test

Don Wilhelm don at w3fpr.com
Fri Nov 5 18:23:28 EDT 2021


James,

Listen to Dave, he is 'on target' with his post, and he is now the K2 
'expert'.  But it might be helpful if you post the PLL high and low 
frequencies as well as the range test results.

73,
Don W3FPR

On 11/5/2021 8:27 AM, JAMES GUNNOE wrote:
> To follow up on my question about the PLL range test, how critical is it to be at or below 15Khz? Currently I am at 15.40Khz after playing around with the winding spread. The errata sheet says to be between 9.98Khz and 15Khz difference in the high and low reading.
>
> 73
> James, KJ4KEM
>
>
>> On 11/04/2021 7:57 PM Comcast <gunnoe at comcast.net> wrote:
>>
>>   
>> Hello again,
>> Still building a K2. I got to the PLL reference oscillator range test and did have to remove one turn from the toroid.My range at first was 20.6 Khz.
>> I got it down to 15.38Khz. I am worried if I remove another turn it will be too low. I went ahead with the continued testing and all the numbers (test results) are good.
>> I stopped for the night on the BFO alignment.
>> My questions is, is the 15.38Khz ok or do I need to remove another turn from the toroid?
>>
>> 73
>>
>> James, KJ4KEM
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Elecraft at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>> Message delivered to gunnoe at comcast.net
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to don at w3fpr.com



More information about the Elecraft mailing list