PHYS3050 Lab 5 - PHYS3050 Lab 5 Introduction to Transistors...

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PHYS3050 Lab 5 Introduction to Transistors By: Aysar Khalid (209728866) Lab Partner: Hassan Chehaitli Submitted on: December 2 nd , 2010
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Background The bipolar junction transistor (BJT), like the diode, utilizes the property of the PN junction in a semiconductor. Unlike the diode, the transistor is a three-port device (with the three ports referred to as the Base (B), Collector (C), and Emitter (E). The collector and the emitter regions are similarly doped (either p-type or n-type) while the base is oppositely doped. Hence there are two types of transistors - so called NPN and PNP transistors. Objective The purpose of this experiment is for us to become familiar with the operating characteristics of the transistors. Apparatus Model Description Agilent E3630A Triple Output DC Power Supply Provides a direct current power supply. Agilent 33120A Function/Arbitrary Waveform Generator A waveform/function generator. Breadboard, resistors and 2N3904 (NPN) 2N3906 (PNP) Transistor. Procedure Please see the lab manual.
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5.1 Testing Transistors The 2N3904 NPN Transistor was selected. The DMM was put in diode measure mode and values were measured across the BE and CB junction. The following values were observed on measurement (the above steps were repeated for the 2N3906 PNP transistor): Transistor BE (V) + - BC (V) + - 2N3904 NPN 0.696 OPEN 0.668 OPEN 2N3906 PNP OPEN 0.7 OPEN 0.684 5.2 DC Transistors Characteristics
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This note was uploaded on 12/11/2010 for the course PHYS 3050 taught by Professor Menary during the Fall '09 term at York University.

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PHYS3050 Lab 5 - PHYS3050 Lab 5 Introduction to Transistors...

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