I would think a simple TV splitter should work well and of course the more
outputs the more loss. I am using a Z3801 GPS reference into an active 4:1
splitter by http://www.downeastmicrowave.com/ and it works well. I lock my
transverters and service monitors and will lock the 5000 when I get the v/u
transverters. At this time I am not sure what the output is but believe it
is 8-10dbm, time to measure it.
Steve
K1IIG
It appears that the 10mHz output from the
Trimble (+12.5dBm) is a little hot for the Flex, which wants to see
*<*+10dBm.
I've been told that the simplest, cheapest way to tame the Trimble is to
insert a splitter in the output, put a 75 ohm terminator on one side and
connect the other side to the Flex.
The Flex wants 0 to +10 max on the reference port, per the manual. Using
a
two way splitter between the Thunderbolt and the F5K drops the level about
3
dB, which is still close to the upper limit for the F5K.
A better "losser" is a three or four way splitter. These will lose more
power than the two way splitter. Using the terminators on the unused
ports
of the splitter is optional if there is nothing connected to the unused
ports. If you were using the splitters to feed long lengths of coax cable
from the splitter ports. than you would need to terminate the far end of
the
cables to prevent reflections which could change the splitter's loss, or,
in
the case of NTSC TV signals, cause severe ghosting in the picture.
Or you could use an in-line 6 or 10 dB coax attenuator.
73,
Ralph W5JGV - WD2XSH/7
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_______________________________________________
Flexedge mailing list
[email protected]
http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz
This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for
posting topics related to SDR software development and experimentalist who are
using beta versions of the software.
