[Elecraft] QEX article and K2

Rob Locher W7GH rob at idiompress.com
Mon Mar 26 19:59:34 EST 2007


Hi Jack,

My budget unfortunately doesn't have any room for one of your panadapters  
at the moment, but I'm curious anyway: how much bandwidth do your  
panadapters show when connected to a K2?  Does the bandwidth vary  
depending on which crystal filter is selected?

73,
- Rob W7GH




On Mon, 26 Mar 2007 16:43:23 -0700, Jack Smith  
<jack.smith at cliftonlaboratories.com> wrote:

> John:
>
> I am the author of the QEX article and the designer of the Z90 and Z91  
> digital panadapter.
>
> Although these were designed as a general purpose panadapter, it turns  
> out that about 90% of my customers use it with a K2. Consequently, I  
> have modified the computer display software to integrate with the K2 to  
> permit mouse click tuning, i.e., click on the spectrum display with the  
> mouse and you can automatically tune the K2 to that frequency. It's a  
> pretty nifty feature and works reasonably well.
>
> The display height is 4.5 inches or so, and with the necessary  
> clearances, one needs an enclosure that is about 5 inches tall, and  
> preferably a hair taller.
>
> I have one customer  that installed (or he may still be in the process  
> of building it) the Z90 in a home made enclosure that is a scaled up K2  
> enclosure.
>
> Jack K8ZOA
> www.cliftonlaboratories.com
>
>
>
> John Wiener wrote:
>> I remember reading on this reflector that the spectrographic display  
>> design (Pan-something) in a recent QEX article was designed with the K2  
>> in mind.
>> I was wondering whether anyone has considered this to be a worthy  
>> occupant of an EC2 cabinet (the large one).
>> Has anyone homebrewed this device?
>>
>> I think it comes as a kit but from what I recall from the article, it  
>> seemed to be above my head as I am a pre-computer oldie/newbie or  
>> whatever.
>>
>> Sure would give Icom a run for the money to have a K2 with a spectrum  
>> display.
>>
>> Any thoughts?
>>
>> John
>> AB8O
>>
>>
>>
>>
>>
>>
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