Kumar Lab report 1 - TITLE : ELECTRONIC DEVICES NAME:...

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TITLE : ELECTRONIC DEVICES NAME: SAIMANI KUMAR M.N.V (11554210) PARTNER: RAVNEET KAUR TA: MR. KALOYAN POPOV DATE PERFORMED: September 25, 2009 DATE DUE: October 2, 2009 DATE RECEIVED: Object The objective of this experiment was to familiarize ourselves with different kinds of semiconductor electronic devices, including P-N junction diodes, light-emitting diodes (LED), Zener diodes and junction field-effect transistors (JFET). For the purpose of this lab, a rectifier
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circuit was built using a P-N junction diode for Part 1. Part 2 involved the use of LED’s. For Part 3, a voltage regulation circuit was built using a Zener diode to obtain and maintain a constant voltage supply. Part 4 involved the design of a constant current supply using a JFET. Circuit Diagrams In the first part of the experiment, a Tektronix 571 curve tracer is used to plot the volt- ampere output characteristics curve for the following devices: 1. Zener diode #1N4738 in reverse bias (See Appendix 1) 2. 1N4006 diode forward biased (See Appendix 2) and reverse biased (See Appendix 3) 3. JFET #2N 5459 (See Appendix 3)
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Part 2: AC to DC Conversion Figure 1: AC to DC conversion circuit Vin = 18.29sin(60t)V, Vd = 0.70V, Vout = 5.60V, R = 1k, Diode 1N4006 Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Part 3: Logic Indicator Figure 2: Logic Indicator circuit Vin = 5V, Vd = 1.5V, V d = 1.50V, R = 300Ω, LED Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Part 4: Constant Output Voltage
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Figure 3: Constant Output Voltage circuit Vin = 5 - 25 V DC, Vd = 0.70V, Vout = 5.60V, R = 150, Zener diode 1N4740 Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Part 5: Constant Current Source Figure 4: Constant Current Source circuit V DD Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Part 6: High Input Resistance Buffer Amplifier Figure 5: High Input Resistance Buffer Amplifier circuit Vin = 6.0 - 26.0V DC, V CC = 30.0V, R E = 2k, R B = 25k BJT 2N2222 Performed by Ravneet Kaur and Saimani Kumar 09/25/2009
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Data Sheet AC to DC Conversion The input is a sinusoidal wave of frequency 60-Hz. The expected average value of output DC voltage is 5.6 volts across 1.0kΩ. (Eqn.1)
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Kumar Lab report 1 - TITLE : ELECTRONIC DEVICES NAME:...

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