[time-nuts] DMTD - analog multiplier vs. diode mixer ?

[Poul-Henning Kamp]

--------
In message <568C46B9.4020303 at rubidium.dyndns.org>, Magnus Danielson writes:

>The white noise will be particularly annoying as it then converts to 
>jitter through the slew-rate limitation as you go into the 
>trigger-circuit.

Digitize the LPF output and do a curve-fit to find the zero-crossings ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.