[time-nuts] Z3801A & ThunderBolt USING SAME ANTENNA?
bruce.griffiths at xtra.co.nz
Tue Jul 8 21:54:39 EDT 2008
> I am trying to set up a Z3801A and a ThunderBolt to operate off of one
> symmetricom 58532A antenna using a symmetricom 4-port smartsplitter. The
> Z3801A manual suggest using LMR 400 cable which is a 50 ohm cable which is
> compatible with the antenna. The thunderbolt which I receive has a type F
> connector and the thunderbolt manual suggest using 75 ohm rg59 cable. Will I
> have a problem connecting the thunderbolt to the smartsplitter using LRM400
> 50 ohm cable? The thunderbolt which I received came with a type f to bnc
> connector, but isn't a bnc connector underrated to handle the 1.5 GHz
The 50 ohm BNC connector is rated up to 4GHz, the 75 ohm version to 2GHz.
The F connector performance degrades above 1GHz but is still useful to
Both originated in the early 1950's.
The Thunderbolt should work well with 50 ohm cable as its far from a
precision match to either 50 or 75 ohm cable.
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