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LMH0074: Transformer coupling is not supported.

user6249953
Prodigy 10 points
Part Number: LMH0074

Why is Transformer coupling not supported by LMH0074?

The customer's circuit is output with Transformer coupling.

Please let me know a technical explanation.

  • 0
    TI__Guru* 93670 points

    Greetings,

    As long as AC coupling is maintained - this is done to prevent ground noise and provide correct common mode voltage - and transformer has the right bandwidth/impedance termination, we should be able to use transformer coupling. In data sheet, it said it cannot support transformer coupling in DC coupling - instead of AC coupling - mode.

    Regards,, Nasser