[time-nuts] sine to square wave circuits - performance data?

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sat Oct 7 23:39:55 EDT 2017


Hoi Attila

I've unearthed the TAPR T2-mini.
I need to obtain an 8 pin DIP header so that I can connect pins 2 +3 on the PCB DIP socket.
Then I can test PN etc as function of input signal level at 10MHz. 
May take a week or so to arrive.
Meanwhile I have an optical interferometer to work on.
 
Bruce
> On 04 October 2017 at 20:23 Attila Kinali <attila at kinali.ch> wrote:
> 
> 
> Hoi Bruce,
> 
> 
> Thanks for the link. That's some nice data.
> 
> On Wed, 4 Oct 2017 12:02:35 +1300 (NZDT)
> Bruce Griffiths <bruce.griffiths at xtra.co.nz> wrote:
> 
> > I have measured the PN of the LTC6957-4 at 10MHz.
> > 
> > I could measure the PN of the TAPR variant of the Wenzel circuit as well as 
> > the PN of the comparator based circuit (with CMOS output buffer).  
> 
> This would be very helpful. I have wondered how the modified Wenzel
> circuit compared to an LTC6957 or a simple comparator.
> 
> 
> 			Attila Kinali
> 
> 
> -- 
> You know, the very powerful and the very stupid have one thing in common.
> They don't alters their views to fit the facts, they alter the facts to
> fit the views, which can be uncomfortable if you happen to be one of the
> facts that needs altering.  -- The Doctor



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