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Discrete dual op-amp with LEDs




I came across this image of an inexpensive Chinese discrete dual op-amp with LEDs involved in the design. What function the LEDs might provide other than indicating the op-amp is in operation is unknown to me.

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  Kimber Kable  


Topic - Discrete dual op-amp with LEDs - Duster 18:00:54 07/24/18 (18)

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