Experiment C

Experiment C - Experiment C: Scaling Circuits October 17,...

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Experiment C: Scaling Circuits October 17, 2006 EE348-02 Jeff Gerfen Partners: Jessica Kiefer Sean Kregness
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Procedure XA1: Measure I o and I REF for V CE =5V V CE I REF I o 5.05V 9.03V/17.85k = .505mA 5.34V/50.4k = .105mA Procedure XA2: Our I o is within 3%, so no adjustments needed. Procedure XA3: Plotting of I c vs V CE Ic vs Vce 0 0.0002 0.0004 0.0006 0.0008 0.001 0.0012 0 2 4 6 8 10 12 14 Vce (V) Ic (A) 1 mA .1 mA It is important to note that it was much easier to set V CC to slightly above 10V in order to obtain the exact .1mA and 1mA across R REF . By doing this, we were still able to obtain
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accurate curves. Also, instead of manually changing R L , we changed V CC2 instead much like we did in Experiment A and B. Data for the plot is shown below: Vrl (V) Ic2 (mA) Vce2 (V) Vcc2 (V) 2.07 .0412 0.01 2.1 3.45 .068 0.023 3.5 4.89 .097 0.067 5 5.28 .105 1.63 7 5.32 .106 3.59 9 5.35 .1062 5.55 11 5.38 .1067 7.52 13 5.42 .1075 10.47 16 Data for I C = .1mA Procedure XA4: Procedure XA5: Procedure XA6:
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Experiment C - Experiment C: Scaling Circuits October 17,...

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