Audio alarm via RF to radio

Greg Gremminger

Filing Flight Plan
Joined
Jan 30, 2023
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Greg Gremminger
As an Electrical Engineer technology has left behind, I’ve had this idea for a simple way to create an RF Audio sound (buzz) through the radio. A simple two-wire connection across an alarm light which creates a dirty RF ding or buzz to be heard over radio.

I’ve lost my electronics and RF skills, but it seems there should be an easy and maybe passive way to create a short weak Interfering RF “ding” picked up on the radio to alert the pilot an alarm light has lit or is blinking.

Hoping could be done with a couple components as a small module to be connected behind the panel directly to the alarm light - or multiple lights. Dings or buzzes when voltage is applied?
 
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