Don,
I mistook the statement: > Will it support both 0 ans 8 kHz
"IF"?< to be 8-MHz and knowing the K3 IF to be 8.215 MHz jumped to a
wrong conclusion. I would have known had I first read the
announcement. You are the fifth person to notify me of my error.
Since the PX3 takes audio baseband IQ input, I would guess any SDR*
outputting enough bandwidth would work. For example the LP-Pan which
I believe has 400-kHz bw available. The usual bw restriction is with
the soundcard if one is using a computer to connect to the KX3 IQ
output. *The SDR-IQ would not work since it does not output audio
baseband, so using a SDR depends? Ordinary monaural audio will not
work...has to be IQ. (Wayne correct any errors with my guessing)
So, since I do use two separate LP-Pan with my K3 and KRX3, the PX3
might work with their output. Audio level requirements might be a
consideration, but I suspect that is OK since the KX3 is designed
with that in mind.
My thought was how there might be an incentive to get the PX3 if one
had both radios.
73, Ed - KL7UW
------------------
From: Don Wilhelm <w3...@embarqmail.com>
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] PX3
Message-ID: <534056ac.7070...@embarqmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Ed,
In my current ignorance, I don't know if the PX3 has an RF input. The
literature says it uses the RX I/Q as input - which means it will not
handle the 8 MHz IF output of the K3.
It may be possible if one feeds the K3 IF output to an SDR device
(Softrock RX, LP-Pan, SDR-IQ, etc) which does have I/Q outputs, but who
knows at this time.
At this point, it is only speculation on my part.
73,
Don W3FPR
On 4/5/2014 2:56 PM, Edward R Cole wrote:
> So that sounds like it can be used with the 1st IF of the K3. Having
> both radios that makes the PX3 even more attractive. Size is really
> nice for portable operating with KX3. And feed thru of computer
> control of KX3, nice!
73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com
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