[sdiy] Nanosecond delays - the clean or dirty method?

Richie Burnett rburnett at richieburnett.co.uk
Thu Feb 25 23:31:48 CET 2021

You can also approximate a delay-line with LC networks too.  Or even a 
distributed LC delay-line like this:


The fine wire is wound on a copper tube that kills off most of the 
inductance that you'd normally get with winding a big coil of wire. So all 
you're left with is the time it takes for the current to travel along the 
wire and come out the other end!

But if an R and a C already work...


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