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Low pass filter for current mirror

VERI

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Which is the most efficient way to construction a low pass filter for current mirror on chip? I can use a capacitor of several pF but R value is limited to KΩ so I can't have a low cut off frequency . Could I use a most device as a high value resistor? Ideally I would like to have an RC>300μs



Thanks!
 

danadakk

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Capacitance multiplier, see if you can get your hands on this
paper -


Another approach -




Regards, Dana.
 

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