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

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TITLE: ELECTRONIC DEVICES NAME: RAVNEET KAUR PARTNER: SAIMANI KUMAR M.N.V 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 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
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Logic Indicator Figure 2: Logic Indicator circuit Vin = 5V, V d = 1.50V, R = 300Ω, LED Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Constant Output Voltage Figure 3: Constant Output Voltage circuit Vin = 5 - 25 V DC, V d = 0.70V, V out = 5.60V, R = 150, Zener diode 1N4740 Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 Constant Current Source
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Figure 4: Constant Current Source circuit V DD Performed by Ravneet Kaur and Saimani Kumar 09/25/2009 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 Data Sheet
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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) V RMS,in (V) V out (V) Expecte d 5.60 12.97 Measure d 5.69 13.67 Table 1. Comparison of Expected and Measured Values of V RMS and V out for AC to DC Conversion Logic Indicator The logic indicator was designed to turn on between 4 and 5 volts and off when the input is between 0 and 1 volt. The LED turned on at around 4.5V and the turn off voltage was 1.5V.
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This note was uploaded on 12/02/2011 for the course ECEL 353 taught by Professor Gerber during the Spring '11 term at Hanoi University of Technology.

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

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