Re: K3 VFO B Anomaly

Posted by allenrw1955 on
URL: http://elecraft.85.s1.nabble.com/K3-VFO-B-Anomaly-tp3509585p3509899.html

Just thought to check other frequencies. This does this several places
as you tune the radio through the frequencies.
Bob
KB1FRW

Bob W Allen wrote:

> W2LE wrote:
> My K3 does the same thing tuning VFO A or B at 4800, probably you can't
> have separate bandpass filters on the VFOs so the other frequency has to
> change.
> Bob
> KB1FRW
>
>
>  
>> I see similar strange things when tuning VFO A around 4.800.  When VFO A
>> is below 4.800 B is at 4799.96 - when A goes above 4.800 B goes to 5.285
>> MHz.  This is on SN 1114 - 3.25
>>
>> Glad I don't normally listen there.
>>
>> Paul  W2LE
>>
>> Robert Beard wrote:
>>  
>>    
>>> Good Morning List,
>>>
>>> Just noticed, while tuning VFO A down through 4.800.0 MHz, I can hear a relay switching.
>>> I believe this is band pass filter switching on the KBPF3 board.
>>>
>>> All well and good, except that VFO B jumps to 3.526.76 MHz at the switching point, regardless of any previous setting.
>>>
>>> When tuning VFO A back up through 4.8 MHz., the relay switches and VFO B jumps to 5.300.00 MHz.
>>>
>>> Anyone else seeing this curious behavior? (Or am I missing something....?)
>>>
>>> K3 is s/n 1500 with 3.14/2.16/2.16 installed.
>>>
>>> Best regards,
>>>
>>> Rob, N6VX
>>> ______________________________________________________________
>>>    
>>>      
>>  
>>    
>
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