Download EECS 412 Exam 3 info

Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (1 of 9) (not an exhaustive list)
Generic amplifiers
• Amplifier basics
voltage gain, current gain, power gain
• decibels (dB)
• Voltage amplifier circuit models
voltage-dependent voltage source, input resistance, output resistance
• Amplifier saturation
• Frequency response
Bode plots, asymptotes
• Single-time-constant networks
low-pass, high-pass characteristics
Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (2 of 9) (not an exhaustive list)
Operational Amplifiers (Op Amps) Ideal
• Symbols and terminal characteristics vo = A(v+ - v-)
• Ideal Op Amp characteristics
A  , i+ = i- = 0, Ro 0
• Inverting amplifier configuration
characteristics G, Ri, Ro
negative feedback
virtual short
• Non-inverting amplifier configuration
characteristics G, Ri, Ro
sample circuits: voltage follower
• Other Op Amp circuits: active filters, summing amplifier,
precision rectifier, Schmitt trigger (positive feedback)
Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (3 of 9) (not an exhaustive list)
Operational Amplifiers (Op Amps) Non-ideal
• Non-ideal Op Amps and their characteristics
• Finite open-loop gain, frequency-dependent open-loop gain
unity gain-bandwidth (GBW)
• DC imperfections
input offset voltage, input bias current, input offset current
designs to reduce these effects
• Large signal imperfections
output saturation, slew rate and full-power bandwidth
• Common-mode rejection ratio (CSRR)
• Power-supply rejection ratio (PSRR)
• Noise: voltage and current
models, noise power, signal-to-noise ratio
• Data sheet interpretation
Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (4 of 9) (not an exhaustive list)
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
3
information
Open book, open notes, bring a calculator
Eligible topics (5 of 9) (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
3
information
Open book, open notes, bring a calculator
Eligible topics (6 of 9) (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
3
information
Open book, open notes, bring a calculator
Eligible topics (7 of 9) (not an exhaustive list)
Field-Effect Transistors, FETs
• FET basics
terminals (Gate, Source, Drain)
versions (n-channel, p-channel, depletion mode, enhancement mode,
MOSFETs, JFETs)
• Modes of operation and bias voltage conditions
cutoff, triode, saturation
characteristics of each mode
• DC analysis FET circuits
VG, VS, VD, IG, IS, ID
Verifying assumed mode
Power dissipation
• FET characteristics
Threshold voltage, Vt, or phichoff voltage, Vp
K value or IDSS
Channel-length modulation, 
Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (8 of 9) (not an exhaustive list)
FET Amplifiers
• FET as amplifier
Saturation-mode operation
small-signal condition for linear operation
• Small-signal models
transconductance (gm)
hybrid-pi model: output resistance (ro)
• AC analysis
voltage gain, current gain, input resistance, output resistance
max signal level without saturation or cutoff
• Biasing options
minimizing IS sensitivity to parameter variations (e.g., VDD, K or IDSS,
temperature)
• FET amplifier configurations
common source, common gate, common drain (or source follower)
characteristics of each configuration
Exam
3
information
Open book, open notes, bring a calculator
Eligible topics (9 of 9) (not an exhaustive list)
Differential Amplifiers
• Characteristic configuration
• Differential mode gain (Av dm)
• Common-mode rejection ratio (CMRR)
• Matched transistor pair (BJTs or FETs)
• Biased by current source
• Minimizing use of resistors in IC design
• Current source design
• Current mirrors
design and analysis, characteristic configuration
• Active loads
Exam 3 information
Open book, open notes, bring a calculator
Specific topics (not an exhaustive list)
• Operational amplifier circuits
identify the amplifier configuration
input resistance, common-mode input
high-pass, low-pass filters, freq response
DC imperfections
• BJT amplifier circuits
identify the amplifier configuration
power dissipation in the BJT
use of resistors and capacitors in BJT amplifier circuits
the small-signal equivalent circuit, small-signal condition
• Generic amplifiers and their models
determine output voltage, frequency response
• Differential amplifier and op amp circuit
Constant current source design, analysis
BJT amplifier configurations
4 problem sets, total of 26 questions