SparkySKO wrote:
AFAIK, an Automatic Noise Limiter is just a diode that shunts off
spikes (zener diode?). Can anyone help shed any light on my quest to
homebrew one? (Like what they might use, or where it might go).

I couldn't find any examples of one or schematics of one, so I'm at a
loss.

Are we talking RF or audio ANL?

telstar-electronics.com