Need advice for creating nS time delay

[sayzer]

Hi, Sayzer

Hmmmm, 10 µm center bandpass ... that's a human motion detector !!!

Did you ask for the application Kit from Perkin-Elmer ???

http://optoelectronics.perkinelmer.c...pyroappkit.pdf

Alain

When I run the circuit on F877 with 20Mhz, I get very good results.
So I have no problem with the circuit; communication etc.