[Elecraft] KAT3

[wayne burdick]

Hi Adam,

The KAT3 is a wide-range tuner based on an L-network with switchable 
lo/hi Z. It tunes quickly, using our proven 3-stage firmware algorithm. 
LC data is saved for many segments in each band, so you'll rarely need 
to re-tune.

There are two antenna jacks, and the settings are saved for both 
antennas on all bands. You select the antenna using the front panel ANT 
switch. You can also assign names to each antenna (e.g., "YAGI", 
"VERT2"). The name is briefly displayed when you change antennas or 
bands as a reminder.

There's a separate connector for the KRX3 subreceiver, which can take 
its input from the main receiver's RF path, or from the antenna jack 
not being used by the main receiver.

Both antenna inputs are protected by gas-discharge tubes and bleeder 
resistors. The jack that goes to the KRX3 is protected in addition by a 
carrier-operated relay on the KRX3 module itself.

73,
Wayne
N6KR



On Jul 8, 2007, at 1:29 PM, <adamkern at uchicago.edu> wrote:

> Listhost archives seem to be down at the moment, so apologies
> if the following question has already been asked:
>
> Can Wayne, Eric or anyone else comment more on the KAT3
> design?  Specifically, how is the matching network configured,
> is it "balanced" or "unbalanced" and is there any balun built-in?
>
> Thanks,
>
> Adam, N1KO
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