R is max value of pot (mosfet is off), have to test range of voltage to mosfet gate to get your pot value operation, then use the digital pot to work within that range. If need isolation, need to then use optoisolators.
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Re: Can we make a digital pot simulate a much larger value?
R is max value of pot (mosfet is off), have to test range of voltage to mosfet gate to get your pot value operation, then use the digital pot to work within that range. If need isolation, need to then use optoisolators.
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