<html> <title>EES604 - Lab 2 (Feb 7)</title> <br><br><br> How to place OP-AMP (741) on the bread board? <br> <br> <img src="MyLab.png" width="600"> <br><br><br> <b> FIGURE # 1</b> <br> <img src="FIGURE1_C.png" width="800"> <br><br> FIGURE #1 (waveform result) <br> <img src="FIGURE1.png" width="500"> <br><br><br><br><br> <b> FIGURE # 2</b> <br> If we set R2 = 10 k ohm... <br> <img src="FIG2_R210k.png" width="1000"> <br><br> If we set R2 = 20 k ohm... <br> As you can see, when R2 increase, Vo increase. <br> <img src="FIG2_R220k.png" width="1000"> <br>Based on that, to get Vo/Vi = -10, <br>the correct answer for R2 is <font color=blue><b>100k ohm</b></font> <br> <br><br><br><br><br> <b> FIGURE # 3</b> <br> gate #3 connect to FG, gate #2 connect to resisotr and ground. <font color=red>Note: The correct value for R2 is 100 k ohm</font> <br><img src="FIG3.png" width="1000"> <br> <br><br><br><br><br> <b> FIGURE # 4a</b> <br><img src="Fig4a.png" width="1000"> <br>4a Result<br> <img src="Fig4aresult.png" width="500"> <br><br><br> <b> FIGURE # 4b</b> <br><img src="Fig4b.png" width="1000"> <br>4b Result<br> <img src="Fig4bresult.png" width="500"> <br><br><br><br><br> <b> FIGURE # 5</b> <br> Voltage Divider (use 3 x 10k ohm resistors) <br><img src="Fig5.png" width="1000"> <br><br> <br> CASE : When Rx = 100 ohm. <br><img src="Rx100.png" width="1000"> <br> <br> CASE : When Rx = 0 ohm (short circuit). <br><img src="Rx0.png" width="1000"> <br> <br> CASE : When Rx = " ohm (open circuit). <br><img src="Rxinf.png" width="1000"> <br> <br> <br> <br> I will prepared a midterm review if possible, wish you all the best for the midterm. <br><br> Kevin Tang (ktang@ryerson.ca)