The function of the SMA in the clock glitch on CW305

HI,I want to know the function of the SMA from CW-LITE to CW305 CLKIN.
Because the tutorial set the “HS2” as the clock glitch output, I don’t know why the SMA should be connected to the CW305.
Thank a lot.

My purpose is implementing the clock glitch fault attack on the CW305.

There should be no need to use the SMA like that: the clock glitch is injected on HS2. I’ve been working on a clock glitching lab. It’s still a work in progress, so there’s so explanation text, but it should be helpful. (3.0 KB).

Here’s also an older clock glitching tutorial:


@Alex_Dewar THANK YOU!