Stanley Reynolds wrote: > > Bruce > Some references I found. > http://findarticles.com/p/articles/mi_m0HPJ/is_n1_v40/ai_7113244/pg_5 > Good article, but the HP5371 only has 200ps resolution this is inadequate. > http://iram.cs.berkeley.edu/serialio/cs254/interpolator/interp.html > Somewhat impractical to interpolate between buffer delays in this way if you want to make your own. A stochastic TDC has much higher resolution. However its dynamic range is very small.
> http://www.dspguru.com/info/faqs/multrate/interp.htm > This has to do with digital signal processing not interpolating within a clock cycle. > http://www.freshpatents.com/Phase-interpolator-based-pll-frequency-synthesizer-dt20070517ptan20070110207.php > Not directly relevant as it is about using a phase rotator in a PLL feedback path. > http://tycho.usno.navy.mil/ptti/1994/Vol%2026_22.pdf > This is about NIST's FMAS remote frequency measuring system which employs a dual ramp interpolator. The dual ramp interpolator is just one of many ways of building dual ramp interpolators. Modern TACs and Wilkinson style dual ramp interpolator ASICs achieve picosecond resolution. > http://www.mwrf.com/Articles/Index.cfm?Ad=1&ArticleID=12529 > You should go to the Pendulum site and read the articles there. > http://findarticles.com/p/articles/mi_m0HPJ/is_n1_v40/ai_7113244/pg_5 > Another article on the HP5371A. > Stanley > > Bruce _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
