[Elecraft] KXV3B install - no problems

[Mike Sanders]

So where does one find the KXV3B info/pricing etc. on the Elecraft web site?
I have looked by no luck so far.  73, Mike

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Joe
Subich, W4TV
Sent: Friday, June 19, 2015 4:43 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] KXV3B install - no problems


I also installed the KXV3B in my K3 s/n 1450 yesterday evening with no
problems - other than of my own doing <G>.  The K3 has a KRX3 and two of the
new synthesizers installed so of course the KRX3 needed to be removed to
gain access to the KIO3 and KXV3.

In removing and reinstalling the KRX3 one of TMP cables between the
KREF3 and one of the synthesizers came lose and I failed to notice it.
After buttoning up the K3 and enabling the KVX3B, I had no receive and no TX
power output.  Removing the top of the rig and resetting the bad cable fixed
the problem.  While I was at it I also reseated all of the TMP cables
to/from the KREF3 and both synthesizers.

The KXV3B went in without a hitch - no problems with pin length or board
height.  I inserted the KXV3B pins all the way into J66 then allowed the
board to rotate toward the back panel and adjusted its final height as
appropriate to align the mounting bushings with the screw holes and the rear
(cover) panel.

Preamp 2 appears to be somewhat more sensitive than the PR6/KXV3 that was
replaced.  A quick test with the XG3 and P3 on six meters shows the -108 dBm
signal to be approximately 42 dB above the noise floor which would work out
to an MDS of better than -150 dBm in a 500 Hz bandwidth.  This compares to
approximately -133 dBm with Preamp 1 and -126 dBm with the preamp off.  Not
shabby in the least.


73,

   ... Joe, W4TV


On 2015-06-19 6:04 AM, Barry Simpson wrote:
> I have just completed installing the KXV3B in my K3 s/n 1397. It 
> already had a KXV3 in it (and a sub receiver which had to be removed 
> and put back) and I am pleased to report that it all went together quite
easily.
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