[time-nuts] Charles Wenzel GPSDO
bruce.griffiths at xtra.co.nz
Wed Jun 21 21:11:41 EDT 2017
The monostable is a bit of a kludge.
Surely using a shift register to synchronise the PPS to 10MHz (or 1MHz) and comparing (using the same gated integrator arrangement) the synchroniser delay against a fixed pulse width generated by different taps on the same SR would be somewhat more stable? The fixed pulse width should be integer + 0.5 Shift Register clock periods. Ideally one would also remove the sawtooth error from the PPS before synchronising it.
> On 22 June 2017 at 12:50 paul swed <paulswedb at gmail.com> wrote:
> Love the flexibility and the simplicity. You could use about anything.
> Simple enough to try for fun.
> On Wed, Jun 21, 2017 at 7:05 PM, Graham <planophore at aei.ca> wrote:
> > Very cool.
> > I too have a dislike for these coaxial type power connectors for just the
> > same reason, same goes for mini and micro USB and the like.
> > I do use a lot of Power Pole connectors (crimped with a proper crimping
> > tool - not soldered) but in an application like this where there is
> > sufficient space I like to use 4 pin XLR connectors (Neutrik is my
> > preference). These are good for 10 amps, polarized, and lock in place and 4
> > pin simply because that is what I started to use many (many) years ago (3
> > pin for audio and 5 pin for data).
> > cheers, Graham ve3gtc
> > On 2017-06-21 21:36, Brooke Clarke wrote:
> >> Hi Chuck:
> >> I'd replace the push on DC power connector with a high force Power Pole.
> >> I can't count how many times one of these push on connectors has worked
> >> itself loose.
> >> http://www.prc68.com/I/PowerPole.shtml
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