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The circuit design in Figure 1 requires that the LED turns on at a rated 8V. To operate correctly calculate the required: a) RF Value b) Range of LDR values that would turn on the LED c) You have been consulted on a problem involving the circuit in Figure 1. The problem is that during sunrise and sunset the LED flickers ON and OFF for a brief period. Using circuit diagrams and waveforms explain the technique you would employ to fix such a problem

The circuit design in Figure 1 requires that the LED turns on at a rated 8V. To operate correctly calculate the required: a) RF Value b) Range of LDR values that would turn on the LED c) You have been consulted on a problem involving the circuit in Figure 1. The problem is that during sunrise and sunset the LED flickers ON and OFF for a brief period. Using circuit diagrams and waveforms explain the technique you would employ to fix such a problem

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The circuit design in Figure 1 requires that the LED turns on at a rated 8V. To operate correctly calculate the required: a) RF Value

b) Range of LDR values that would turn on the LED

c) You have been consulted on a problem involving the  circuit  in  Figure 1.  The  problem  is  that  during  sunrise  and  sunset  the  LED  flickers ON  and  OFF  for  a  brief  period.  Using  circuit  diagrams  and waveforms  explain  the  technique  you  would  employ  to  fix  such  a problem

 

 

3 Ve OP-AMP RF SOK ohm 36K ohm OP-AMP 5K ohm 5ve W 10K ohm 100K ohm 5V COMP 20K ohm OP AMP LED LDR Figure 1 10K ohm 12K ohm fww 20K ohm 10K ohm
Transcribed Image Text:3 Ve OP-AMP RF SOK ohm 36K ohm OP-AMP 5K ohm 5ve W 10K ohm 100K ohm 5V COMP 20K ohm OP AMP LED LDR Figure 1 10K ohm 12K ohm fww 20K ohm 10K ohm
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