[time-nuts] TAPR TICC boxed

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Mar 30 23:24:20 EDT 2017

A single or dual supply CMOS output comparator should suffice together with some diode clamps.

Since the TICC only resolves a few tens of picosec the choice of comparator etc isnt critical.

LTC6752 (~$US2) or similar perhaps? 

A single supply comparator should suffice unless you want to measure NECL or similar signals.


>     On 31 March 2017 at 09:15 Mark Sims <holrum at hotmail.com> wrote:
>     What did you do for input protection?
>     I want to build an input system for the TICC that incorporates some input protection, switchable terminator, possibly settable threshold and edge selects, and a switchable PICDIV divider like the TADD-2 Mini. That would allow inputs of <1 .. 100 (or maybe up to 1000) PPS and 1/5/10/15 MHz inputs.
>     The main problem I'm having is coming up with an input squarer circuit that is simple and cheap but can handle basically DC-15 MHz. Anybody got any ideas?
>     _______________________________________________
>     time-nuts mailing list -- time-nuts at febo.com
>     To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>     and follow the instructions there.

More information about the time-nuts mailing list