What if one defined the IF of the P3 to be at some PSK frequency and
connect a loop of wire to it's RF input? Put the loop on the desk.
There might not be enough resolution to clearly see anything but gross
PSK signal infidelities.
73 de Brian/K3KO
On 9/24/2013 16:40, Edward R Cole wrote:
I don't have a P3, so my curiosity is only academic.
The "sampling function" being referred to, would bring a low power
sample of transmit power to the P3? This does not seem very difficult
to "roll your own" sampler. I gather the P3 has the needed RF ckts to
receive RF and demod it, or is that also needed?
I use LP-Pan with my K3. The LP-Pan only works in Rx so not really
usable for analyzing the K3's own transmissions. It will work to look
at the KX3, of course. AFAIK the K3 will not work in duplex mode.
I also have a SDR-IQ, which makes a superb spectrum analyzer for freq.
up to 30-MHz. The SDR-IQ only needs a small antenna to "sniff" enough RF
to display the spectrum as wide as 190-KHz or down to <KHz if looking
for IMD. The SDR-IQ can be used as IF Rx for transverters to extend
usable frequency higher. I recently used it to analyze Sun noise
performance of my dish on 1296-MHz and to measure insertion loss for
some coax relays.
Not usual for most ham stations, I also have a surplus HP141T with
plug-ins for 0-1250 MHz and up to 26 GHz.
73, Ed - KL7UW
http://www.kl7uw.com
[email protected]
"Kits made by KL7UW"
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