Aircraft comm system
I work on jets for a living and there are many times that we are stuck on the comm system for hours at a time running up operational checks. What I have done is taken a female and male comm jack and spliced in a headphone jack so I can listen to music. It works fine when I am not plugged into the jet, I can hear the music in my head set. But what I want is to plug it in to the comm system and have everyone on comm hear the music. So here are the two problems I have "they should have the same answer" I need the music playing in my headphones not to travel back to the source and I need the music I pipe into the mic end not to turn my mic into a speaker. I have a basic understanding of electronic principle so is all I need 2 diodes? Just looking for some help.