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Bong Chan Kim

Si photodiode simulation


I have configured a simple circuit (using start and finish circuit statements) consisting of diode (photodiode), external R and C.

When I perform photogen analysis to this circuit and obtain the photodiode's frequency response, it seems that the external

C has no effect on the frequency response result whereas the effect of external R appears in the result as it generates a pole

in combination with the diode parasitic capacitance. Does anyone know why this external C is neglected in the simulation result?

Thank you in advance!

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