[time-nuts] Distribution divider/amplifier for 10MHz GPSDO
bownes at gmail.com
Mon Oct 23 22:51:12 UTC 2017
Going on recollection. Now I’ll have to go look again.
> On Oct 23, 2017, at 17:06, Jeremy Elson <jelson at gmail.com> wrote:
>> On Mon, Oct 23, 2017 at 1:49 PM, Bob Bownes <bownes at gmail.com> wrote:
>> Will it work? Probably. Up to a point.
>> Is is best practice? Not even close.
>> Each device will (should?) generally present a 50Ω termination. In the case
>> of instruments that provide their own ref output which is then looped back
>> in, they may be different, but I don't recall seeing any that said anything
>> other than nothing or 50Ω.
> I'm confused: I thought most inputs were relatively high impedance.
> The manual for the 5335a specifies its external timebase input as being
> (http://www.dennlec.com/images/manuals/hp-5335a-op-manual.pdf). Maybe not
> but it's certainly not 50.
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