On 10/16/14, 3:59 AM, Bob Camp wrote:
Hi
I wonder what they are using for the “lpf / zero crossers” in that version.
Aren't those the usual limiter chain? Described in earlier papers by the
same folks. There was a lot of discussion about this architecture on
the list a few years ago.
https://www.febo.com/pipermail/time-nuts/2006-October/021837.html
Here's something you might want to take a look at:
http://www.wriley.com/A%20Small%20DMTD%20System.pdf
By the way.. here's the reference from the list
Dick / Kuhnle / Sydnor: "Zero-crossing detector with sub microsecond
jitter and crosstalk"
http://tycho.usno.navy.mil/ptti/1990papers/Vol%2022_20.pdf
www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA515384 the paper
http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA239372 the entire PTTI
proceedings
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