EEVblog #1283- What is Mains Ripple Injection?

What is Mains Ripple Injection and control?
A mystery bunker item teardown turned out to be a very interesting and obscure bit of test kit.

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The dumpster dive video: https://www.youtube.com/watch?v=YX0MJjq9MuU
https://www.youtube.com/watch?v=YX0MJjq9MuU

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#DumpsterDiving #Teardown

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