[time-nuts] Spectracom 8140T Line Tap Schematic
Charles Steinmetz
csteinmetz at yandex.com
Fri Jun 15 01:41:02 UTC 2018
Julien wrote:
> I'm somewhat tempted to take the schematic and see if I can fit it in
> the comparatively tiny Pomona boxes
Before getting too excited about the various 8140 module designs, it may
be worth reflecting that the performance of the 8140 system is mediocre
at best from a time-nuts perspective. There are lots and lots of much
better designs if you're building your own. Even something as simple as
a modified video distribution amplifier can be orders of magnitude
better (see, e.g.,
<http://www.ko4bb.com/getsimple/index.php?id=download&file=02_GPS_Timing/Extron_ADA_6_modifications_for_use_as_10MHz_distribution_amp_STEINMETZ.pdf>).
The point of the 8140 system is that it is a moderate performance, "do
everything" solution for large installations (hundreds of potentially
multifrequency taps spaced around acres of facility), not a
time-nuts-quality distribution system for a facility the size of a
residential home.
Best regards,
Charles
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