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/diy/ - Do It Yourself

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>> No.997958 [View]
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997958

help bros

how do i use this stereo audio jack in a circuit?

i know the middle one is suppose to be ground but what about the others?
i hooked up an oscilloscope connected to ground pin and rightmost pin and connected my phone music to the thing and got a sine wave with vpp 20 mV and around 100 Mhz

no idea how this thing works and i cant find anything online

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