A silicon photodiode is connected to an op-amp as indicated. Under an illuminance of 500 lux, the photocurrent Ip is 80 nA. P R = 1ΜΩ out a) Write down the values of 11, 12 and Ip. From these values, deduce the output voltage. b) Briefly describe how this circuit works. c) Will this circuit work under sunlight? The illuminance of sunlight is about 100,000 lux. You may assume the photocurrent respond linearly with incident light flux, and the op-amp is powered between 9V alkaline cell. (i.e., V+ = 9V, V at ground).

A silicon photodiode is connected to an op-amp as indicated. Under an illuminance of 500 lux, the photocurrent Ip is 80 nA. P R = 1ΜΩ out a) Write down the values of 11, 12 and Ip. From these values, deduce the output voltage. b) Briefly describe how this circuit works. c) Will this circuit work under sunlight? The illuminance of sunlight is about 100,000 lux. You may assume the photocurrent respond linearly with incident light flux, and the op-amp is powered between 9V alkaline cell. (i.e., V+ = 9V, V at ground).

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 13PP: In an R-L parallel circuit, IT=1.25 amps, R=1.2k, and XL=1k. Find IR

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