[time-nuts] GPSDO 10 MHz Distribution Amp
w9ac at arrl.net
Sun Jun 21 16:18:51 UTC 2009
In the next couple weeks, I plan on distributing the output of my GPSDO to a
pair of Icom transceivers. I've thought about using a DA like the TAPR
TADD-1, but it seems that I can simply split the output of the +13 dBm GPSDO
with a Z=50, 3dB equal power divider, that will yield an output of ~ +9.5
dBm to each transceiver.
I can't foresee any port isolation issues that would make necessitate the
use of the DA for this application and the 3 dB "hit" in level to each
transceiver still seems reasonable for proper transceiver operation. Am I
not considering something important? Also, I do not want to add any noise
with such a distribution that would in any way destroy the excellent phase
noise characteristics of my GPSDO. Thoughts?
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