ECE 2115 Lab 4 Berk

ECE 2115 Lab 4 Berk - 1. Introduction: This experiment is...

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1. Introduction: This experiment is to analyzes the BJT transistor, the base-emitter pn-junction and the base-collector pn-junction, by using the Tektronix Model 571 Curve Tracer. This experiment also characterizes the transistor by using a power supply and Keithley Model 175 DMM. 2. Background information: V = I × R Equation Ohm's Law Equation Calc ulate d Value s Simulated Values I B V C E I C V BE β eta I B V C E I C V BE β e ta 10uA 2V 1.25mA 682mV 120 10uA 2V 1.2mA 676mV 12 0 30uA 2V 4.856mA 710mV 160 30uA 2V 4.8mA 708mV 1 6 0 50uA 2V 8.1mA 720mV 160 50uA 2V 8.0mA 721mV 1 6 0 Table - Prelab Parameter Value Maximum Collector-Emitter Voltage (V CEO ) 40V Maximum Emitter-Base Voltage (V EBO ) 6.0V Maximum Continuous Collector Current (I C ) 200mA Maximum Collector-Base Voltage (V CBO ) 60V Maximum DC Current Gain ( β eta or h FE ) 300 Base-Emitter ON Voltage (V BE ) when V CE =5V and I C =10mA at room temperature ≈.7 Table - Parameters
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Figure - Circuit Percentage error = [(Nominal Value – Measured Value)/(Nominal Value)]*100 3. Methods and Materials: NPN Bipolar Junction Transistor Resistors 1kΩ 100kΩ Tektronix Model 571 Curve Tracer Keithley Model 175 Power Supply Bread Board Banana to mini grab cables 4. Experimental Procedures: Part I: Transistor Characterization using a Curve Tracer: - The Tektronix Model 571 Curve Tracer was used to generate an Ic v. Vce IV- curve for the BJT. -
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This note was uploaded on 11/14/2011 for the course ECE 2115 taught by Professor Ahm during the Fall '11 term at GWU.

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ECE 2115 Lab 4 Berk - 1. Introduction: This experiment is...

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