Experiment-08 - Experiment 8: Bipolar Junction Transistor...

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Experiment 8: Bipolar Junction Transistor E x p e r i m e n t 8 Bipolar Junction Transistor Objectives: In this experiment you will investigate the characteristics of the bipolar junction transistor (BJT) and study its applications as: A switch An amplifier
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Experiment 8: Bipolar Junction Transistor BJT As An Amplifier Procedure Connect the circuit in Fig. 3-a. The voltage source is a 100 mV peak-to-peak, 10 KHz sine signal . Measure off-circuit the values of the resistors R S and R L . Measure the output voltage across the load resistor R L . Calculate the voltage gain v O /v S . ( Even thougth the ratio v O /v S is less than 1, we still refer to it as gain . When we connect the BJT amplifier block, the ratio will become much larger than 1). What is the current gain i O /i S ? (i O is the current flowing in the load, and i S is the current flowing out of the source). Find the power gain defined as the ratio of power dissipated in the load, divided by the power supplied by the input signal source. Repeat the above procedure for the input values shown in table 1 (In-Lab
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This note was uploaded on 02/07/2011 for the course EECE 312L taught by Professor Ghassandeeb during the Fall '07 term at American University of Beirut.

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Experiment-08 - Experiment 8: Bipolar Junction Transistor...

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