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Re: Elma Stepped Attenuator - Ground Connection

Simple: connect signal ground to attenuator position 1 (the positions are etched on the front side of the switch).
I assume that this is a regular ladder or series attenuator and that the input signal is connected to position 24.
Signal out is connected to the wiper.
This is very easy to verify, because Elma switches have transparent plastic covers.
Good luck
Carlos


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