John Do you recall what the amplitude of the input signal to the Wenzel shaper was?
Since I used a 1:2 (3dB) terminated splitter for my measurements the input to the splitter is the same as the Timepod reference signal amplitude Bruce > On 04 October 2017 at 14:12 John Miles <[email protected]> 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). > > > > These plots came from the Wenzel diff-amp shaper: > http://www.ke5fx.com/wenzel_resid_PN.png > http://www.ke5fx.com/wenzel_resid_ADEV.png > > I don't recall many details of the test setup, or how faithful my > implementation of the shaper was to Charles W.'s app note, but this is > representative of several plots I have lying around. Not bad performance at > all for the cost/complexity involved. > > -- john, KE5FX > Miles Design LLC > > _______________________________________________ > 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. _______________________________________________ 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.
