[time-nuts] Frequency generator and counter on same external reference

[Tom Clifton]

Good heavens, no.  By doing so, they both have the same reference and the measuremets actually means something. I have a stack of HP stuff (3586, 3386 and assorted counters) all T'd off my Tbolt without issue.  The only caveat is that you don't put too much stuff across the T-bolt output so as to load it down to the point where some device can't get clocking. Before you hit that point, you may need a high quality (low jitter) distribution amp in the timing chain.  
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Date: Thu, 29 Nov 2012 09:42:39 +0000
From: Chris Wilson
 Subject: [time-nuts] Frequency generator and counter on same external reference?
 I am  repairing an 18GHz counter and it has a 10MHz external reference port. So does my elderly Marconi 2019A sig gen. Is there any potential issue having them both referenced off my Thunderbolt GPS referenced standard, at the same time?