ELEC201_Lab5_2017.pdf - University of British Columbia...

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1 University of British Columbia Electrical and Computer Engineering ELEC201- Circuit Analysis I Lab 5 – BJTs at DC Due: Right at the end of the session. 1 On time 2 Breadboard prototype from home 3 Pre-laboratory 4 Clean work are and reset instruments after experiment 5 Experiment complete Date of lab session: _____________________ Laboratory section: ____________ Std Name Std # TA 1 2 3 PRE-LABORATORY 1) Find, save, or print the datasheet for the transistors 2N3904 and 2N3906. 2) Assemble the two circuits for part 1 of the laboratory. 3) Compute R 1 and R 2 for part two of the laboratory.
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2 LABORATORY 1) The two circuits below can be used to measure the base and collector currents for NPN (left) and PNP (right) bipolar junction transistors. With measured 1 values of I B and I C , the β of the transistor can be computed. Pick three 2N3904 and three 2N3906 transistors from your kit and complete the table that follows by measuring I B and I C and computing β for each one of them. Make sure the transistors are not saturated by checking V C .
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