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Experiment 8

# Experiment 8 - Mariel Losso 539060577 Section 4...

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Mariel Losso 539060577 Section 4 Experiment #8 Bipolar Transistors 03.31.05 Partner: Drew

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PURPOSE: To characterize an npn bipolar transistor and measure the dc operating point and the ac performance of a single-transistor amplifier. PROCEDURE: 1. Assemble circuit in Fig1. Use pot to very voltage from 0 to 10 V 2. Assemble circuit in Fig 2, first without capacitor a. Now disconnect and apply 0.2 Vpp sine @ l kHz b. Now connect the 10 µF at point E and apply 0.1 Vpp sine @ 1 kHz signal c. Apply 100 Hz square wave (0.1 Vpp) to input RESULTS: Part 1: IN V B V (V) C V (V) k V V I C IN b 100 - = (A) C C CC C R V V I - = (A) B C I I = β 10.00 0.737 .180 9.263E-05 0.00982 106.0132 9.64 0.735 .184 8.905E-05 0.00982 110.2302 8.62 0.734 .1982 7.886E-05 0.00980 124.2937 7.56 0.733 .225 6.827E-05 0.00978 143.1815 6.42 0.7306 .390 5.689E-05 0.00961 168.9106 5.416 0.7227 1.791 4.693E-05 0.00821 174.9089 4.62 0.7156 3.030 3.904E-05 0.00697 178.5165 3.85 0.7089 4.294 3.141E-05 0.00571 181.6561 2.694 0.694
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Experiment 8 - Mariel Losso 539060577 Section 4...

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