[Elecraft] K3 VFO B Anomaly

[Van W1WCG]

I think this effect is simply due to changing from one band memory to 
another at these cross-over points...

Van W1WCG


Bob W Allen wrote:
> 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
>>>> ______________________________________________________________
>>>>     
>>>>       
>>>>         
>>>   
>>>     
>>>       
>> ______________________________________________________________
>> 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
>>
>>
>>
>>   
>>     
>
> ______________________________________________________________
> 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
>
>