Download EECS 412 Exam 2 info

Exam
2
information
Open book, open notes, bring a calculator
Eligible topics (1 of 3) (not an exhaustive list)
Everything covered up to but and including BJTs but not including FETs
Bipolar Junction Transistors, BJTs
• BJT basics
terminals (Base, Emitter, Collector)
versions (NPN, PNP)
junctions (EBJ, CBJ)
• Modes of operation and junction bias conditions
cutoff, active, saturation, reverse active
characteristics of each mode
• DC analysis BJT circuits
VB, VC, VE, IB, IC, IE
Verifying assumed mode
Power dissipation
• BJT characteristics
Early effect, Early voltage
Breakdown voltage
Exam
2
information
Open book, open notes, bring a calculator
Eligible topics (2 of 3) (not an exhaustive list)
BJT Amplifiers
• BJT as amplifier
Active-mode operation
small-signal condition for linear operation
• Small-signal models
transconductance (gm), current gain ()
hybrid-pi model: input resistance (rp), output resistance (ro)
T model: input resistance (re), output resistance (ro)
• AC analysis
voltage gain, current gain, input resistance, output resistance
max signal level without saturation or cutoff
• Biasing options
minimizing IB sensitivity to parameter variations (e.g., VCC, , temperature)
Exam
2
information
Open book, open notes, bring a calculator
Eligible topics (3 of 3) (not an exhaustive list)
BJT Amplifiers
• BJT amplifier configurations
common emitter, common base, common collector (or emitter follower)
characteristics of each configuration
• Higher-order model components
rm, Cm, Cp
• High-frequency performance characteristics and analysis
break frequency, fB
unity-gain frequency, fT
• Data sheet interpretation
Exam 2 information
Open book, open notes, bring a calculator
Specific topics (not an exhaustive list)
• Given a BJT amplifier circuit drawing
identify the amplifier configuration
solve for DC voltage or current, power dissipation
draw the small-signal equivalent circuit
find gm, rp
• Given the BJT amplifier’s small-signal equivalent circuit
derive an expression for Av
derive an expression for Rout
sketch the amplifier circuit
find the break frequency for a circuit containing a capacitor
3 problem sets, total of 8 questions