# q01 - resistance r(a What are the names of the three curves...

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ECE3050Ana logE lectron icsQu iz1 May 20, 2009 Professor Leach Last Name: First Name: Instructions. Print your name in the spaces above. Place a box around any answer. Honor Code Statement: I have neither given nor received help on this quiz. Initials 1. Use superposition, Ohm’s Law, voltage division, and current division to solve for i . i =5 6 6+4+2 +6 6+4 6+4+2 48 i 6+4+2 = 90 12 48 i 12 i = 90 / 12 1+48 / 12 =1 . 5A 2. There are three small-signal parameters derived from slopes of curves that model the terminal characteristics of the BJT. These are the transconductance g m
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Unformatted text preview: resistance r . (a) What are the names of the three curves? the transfer characteristics, or the plot of i C versus v BE the output characteristics, or the plot of i C versus v CE the input characteristics, or the plot of i B versus v BE (b) How is each parameter de f ned in terms of the slope of a curve at the dc operating point? g m is the slope of the transfer characteristics at the Q-point r is the reciprocal of the output characteristics at the Q-point r π is the reciprocal of the input characteristics at the Q-point 1...
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