[Elecraft] K3 crystal filter offsets and diversity receive

KC2UEE KC2UEE at gmail.com
Tue Feb 10 16:13:09 EST 2009


Great, thank you Eric.

73,
James

On Tue, Feb 10, 2009 at 4:03 PM, Eric Swartz - WA6HHQ, Elecraft
<eric at elecraft.com> wrote:
> Either -.72 or -.73 is OK. Use the same value for each filter.
> 73, Eric  WA6HHQ
>
>
> KC2UEE wrote:
>>
>> Dear all,
>>
>> Have a question regarding this item on page 38 of the manual:
>>
>> "When setting up FLx FRQ, use
>> the average of the filters' marked offsets as the
>> value entered for both filters (main and sub). If you
>> enter different offsets, you'll hear phase
>> modulation, even if the offsets are very close."
>>
>> Just to make sure I'm understanding this correctly, if I have two
>> 500Hz 5-pole filters, and one has an offset of -70 and the other is
>> -75, then the offset number I have to enter is -72.5 for both filters
>> in order to ensure no phase modulation between the two receivers?
>>
>> 73,
>> James KC2UEE
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