[SOLVED] how to measure the input capacitor of opamp?

PONDERBOY · Apr 24, 2005

recently,i'm wondering how to measure the input capacitor of opamp,please give some advice.

khouly · Apr 24, 2005

measure the input impedance of the opamp
and get the imagenary part ,

khouly

sxg · Apr 25, 2005

for muster parameter device,you can test the impedance in two frequence,
the you can calculate the capacitance

layes2 · May 16, 2005

just do an .ac and measure the ac current to the input

nafaiz · May 24, 2005

h**p://microel_group.unile.it/PDF/MICRO_DISPENSE/Cap_VI.pdf

cliffj · Oct 14, 2005

Try Agilent 4284 or any network analyzer. But it depends the freq.
range you wanna analyze.

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