EE130/230M Homework Assignments

EE130/230M Homework Assignments
Spring 2013
(Word format)

Homework #1: Si crystal structure; intrinsic semiconductor; doping; carrier concentrations

Assignment (due 1/31/13)
Solution

Homework #2: Density of states and the Fermi function; energy band diagram, mobility and drift; resistivity and resistance

Assignment (due 2/7/13)
Solution

Homework #3: Nonuniformly doped semiconductor; generation and recombination of carriers; Continuity Equation; quasi-Fermi levels

Assignment (due 2/14/13)
Solution

Homework #4: Metal-semiconductor (M-S) energy-band diagrams; M-S electrostatics; practical ohmic contact; small-signal capacitance of a Schottky contact

Assignment (due 2/21/13)
Solution

Homework #5: pn junction electrostatics; p-i-n- diode; pn junction diode current components; comparison of Schottky and pn diodes

Assignment (due 2/28/13)
Solution

Homework #6: Narrow-base diode; pn junction breakdown; effect of series resistance on diode I-V; effect of recombination-generation in the depletion region

Assignment (due 3/7/13)
Solution

Homework #7: pn junction diode charge control model, small-signal model and transient response; photodiode

Assignment (due 3/14/13)
Solution

Homework #8: Optoelectronic diodes; MOS capacitor energy band diagrams; MOS threshold voltage; MOS areal charge density

Assignment (due 3/21/13)
Solution

Homework #9: MOS C-V characteristics and V_T adjustment; effect of oxide charge

Assignment (due 4/4/13)
Solution

Homework #10: MOSFET as resistor; Long-channel MOSFET I-V characteristics; impact of body biasing; design project preparation

Assignment (due 4/11/13)
Solution
Answers to Problem 4

Homework #11: MOSFET sub-threshold leakage current, small-signal model, velocity saturation, short-channel effect

Assignment (due 4/18/13)
Solution

Homework #12: MOSFET with retrograde channel doping; MOSFET source/drain structure; qualitative BJT questions

Assignment - updated 4/21/13 (due 4/25/13)
Solution

Homework #13: BJT current components and output characteristics, Ebers-Moll model, deviations from the ideal, Gummel plot

Assignment (due 5/2/13)
Solution

Homework #14: BJT small-signal model, base transit time and transient response; advanced MOSFET structures

Assignment (due 5/9/13)
Solution

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Last updated 5/2/13