EE311-2009-THE5

# EE311-2009-THE5 - and simulation results Compare all of the...

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MOSFETS: K n =2 mA/V 2 , V Tn =0.8 V, =0.02 V -1 BJT: V A = 40V, V BE(on) = 0.7 V, = 80, V CE(SAT) = 0.2 V M 1 : K n = 2.8mA/V 2 , V Tn = 1V, V BE = 0.7V, = 0.02 V -1 Q 2 : = 150, V A = 80V, V EB(ON) = 0.7V Q 3 : = 120, V A = 50V, V BE(ON) = 0.7V EE 311 Analog Electronics Take Home Exam Part V Due: November 11, 2009 (In class) Multi-Stage Amplifiers. Q1. This problem deals with the amplifier shown on the next figure. You can make assumptions and approximations as long as you indicate and justify them clearly . a) Determine the DC operating points for the transistors (ignore the effect of and V A ). b) Determine the small signal parameters for the transistors . c) Find the input and output resistances ( R IN and R OUT ) for the amplifier . d) Find the overall voltage gain (G V =v out /v in ) . e) Determine the small-signal input range of the amplifier. f) Simulate this circuit in Spice (or in Electronics Workbench) providing the schematic drawing
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Unformatted text preview: and simulation results. Compare all of the results with previous parts (a-e) in a table format. Q2. Consider the circuit given in the next figure. a) Find the DC operating points for the transistors (ignore the effect of and V A ). b) Find the overall voltage gain (G V =v o /v in ). c) Find the output resistance ( R OUT ) for the amplifier. d) What might be the reason for using pnp and npn transistors together in the same circuit? e) Determine the small-signal input range of the amplifier. f) Simulate this circuit in Spice (or in Electronics Workbench) providing the schematic drawing and simulation results. Compare all of the results with previous parts (a-e) in a table format...
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