how to reconcile the capacitive sensor with a close differential amplifier?

ADA4938 or ADA4939  in the band 0=500mHz  C=some Pf

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    • Hi Jino,
    • there is capacitive sensor that gives a signal in the frequency band 0-500mHz. I want to be placed in it close proximity amplifier (ada4927 or ada4817or ada4938 or ada 4939) amplifier with a gain of 1-2 and hand it to an oscilloscope. How do I choose the input circuit of the amplifier for the capacitive sensor several picofarad?

    JiHno Loquinario

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