Douglas, Han, Tan EE 233 Lab 2

Douglas, Han, Tan EE 233 Lab 2 - LAB REPORT 2 OPERATIONAL...

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1 L AB R EPORT 2 O PERATIONAL A MPLIFIERS EE 233 AB Department of Electrical Engineering University of Washington 17 July 2009 Nick Douglas · Philip Han · Jianfeng Tan Instructor's Comments : Grade : Activity Student Name Prelab / Circuit analysis Philip Han, Jianfeng Tan, Nick Douglas Prelab / Other work to answer questions Philip Han, Jianfeng Tan, Nick Douglas Circuit construction Philip Han, Jianfeng Tan, Data collection Philip Han, Nick Douglas Data analysis Nick Douglas, Philip Han, Felix Tan Answers to questions Philip Han, Jianfeng Tan, Nick Douglas Lab report writing Philip Han, Nick Douglas
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2 T ABLE OF C ONTENTS Objectives ……………………………………………………… 3 Equipment ……………………………………………………… 3 Data Section ……………………………………………………… 3 7.2 Opamp voltage follower circuit ……………………………… 3 7.3 Performance of the gain circuit in Figure 2 ……………… 7 7.4 Performance of your own gain circuit ……………………… 10 7.5 Open fault effect measurement 13 Analysis, Calculation, and Results ……. ..………………………… . 14 8.1 Opamp voltage follower circuit . 14 8.2 Performance of the circuit in Figure 2 15 8.3 Performance of your own gain circuit 16 8.4 Open fault comparison ……………………………………… 19 Conclusions ……………………………………………………… 20
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3 O BJECTIVES This lab provided an in depth look at operational amplifiers. Data from Motorola’s MC4741C op-amp specifications sheets was used for circuit analysis and design. These designs were measured and analyzed with the lab equipment. The designs met a gain requirement given in the lab manual. In this lab the effect of an open fault was also analyzed. E QUIPMENT This lab required the use of the following equipment: function generator, oscilloscope, digital multi-meter, proto-board, power supply, wires, MC 4741C opamp, 1 kΩ resistor, 5k resistor, 19k resistor, 10k resistor potentiometer. D ATA S ECTION 7.2 Opamp voltage follower circuit For section 7.2 the opamp voltage follower circuit of lab manual figure 1 was constructed. A square wave o f period 100 μs (50% duty cycle ) and amplitude -10 V to +10 V was applied to it. The oscilloscope was connected such that the input and output voltage to the circuit was recorded. From this data the op amp slew rate was calculated and then compared to the manufacturer s specifications. The following is the set of answers corresponding to the questions asked in lab manual
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Douglas, Han, Tan EE 233 Lab 2 - LAB REPORT 2 OPERATIONAL...

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