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Old May 5th 06, 04:43 AM posted to rec.radio.amateur.antenna
Sal M. Onella
 
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Default how many receivers per antenna?


"notyeti" wrote in message
...

How can you arrange 16 receivers with an homebrew antenna system? I'd
like to have three antennas or no more than four ideally. I'm not
interested in direction finding, need low profile for neighborhood, and
to work in the space uhf/vhf frequency range.

Is it really necessary to do much more than hook up the wires, or must
they be electrically isolated somehow and therefore need a fancy
design?

If it is easier than drawing diagrams, can you otherwise recommend a
low profile space/sat antenna system that might function well with
multiple receivers?


Yes, they absolutely must be isolated or you upset the impedance of the
system. Isolation is done with splitters or directional coupler taps.
T-connectors are often a problem, as they tend to encourage reflections in
the cables.

I presume that you have a low-noise amp at the antenna that sets the noise
figure for the system. Thus, all you have is a divider problem and many,
many amplifier/splitters that are flat from 50 - 1000 MHz are available for
home and small apartment TV systems. If you need to get into L-band, there
are booster amps for SAT-TV that do well from 950-2250 MHz.

I googled for 8 way splitter amplifier low noise TV and got this
among the thousands:

http://www.smarthome.com/7750-8.html

not saying it's the best ... it's just one of the many.

Good luck.




 
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