: elecraft-boun...@mailman.qth.net on
behalf of Gary Johnson
Sent: 09 July 2019 06:10
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] XVTR Out level
Sure enough, the BPFs are in the low-level RF path on TX and RX. Moral of the
story is to choose a transverter with a 28 MHz IF when maxi
Sure enough, the BPFs are in the low-level RF path on TX and RX. Moral of the
story is to choose a transverter with a 28 MHz IF when maximum usable frequency
range is desired.
Gary NA6O
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Guess I’ll have to study the K3 block diagrams. For some reason I thought Xvrt
Out didn’t go thru the BPFs.
-Gary NA6O
On Jul 8, 2019, at 5:14 PM, w4sc wrote:
>
> At 15MHz you are starting to be out of the 20M passband filter, at 16MHz you
> are well out of the 20M pass band,,, the passband
At 15MHz you are starting to be out of the 20M passband filter, at 16MHz you
are well out of the 20M pass band,,, the passband on 10M is around 2 or 3MHz
wide and thus would provide the proper drive level for 144 (28MHz), 145
(29MHz), and 146 (30MHz) MHz operation.
From the K3 users manual, p
I'm testing the K3 XVTR output level for use with a Kuhne 144
transverter (opt. 05) which uses a 14 MHz IF.
XV1 PWR is set to 1.5 mW as required. Checking with my spectrum
analyzer, key-down CW output power at the XVTR Out jack varies as follows:
VFO=144 MHz (14.0 MHz out) +1.3 dBm
145 (15.0
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