## MECH307 - Final Exam Review Topics

The final exam is comprehensive but it stresses the material listed below.

Specific reading assignments covered: Chapters 9 (9.2.4-9.5 only) and 10, and Lab 15

(see the syllabus for section details)

- transistors and diodes and basic circuit applications
- basic op amp circuit analysis techniques
- assumptions
- real characteristics

- digital logic
- gates and their functions
- Boolean Algebra
- truth tables
- sum-of-products, product-of-sums
- DeMorgan's Laws

- flip-flop circuits and applications
- RS, JK, T, and D flip-flops
- preset and clear functions
- level and edge triggering

- digital encoder position sensors
- absolute vs. incremental (relative)
- binary vs. gray
- quadrature decoder circuit

- useful project information
- power supply options
- battery characteristics
- relays and power transistors
- practical considerations
- ground loops
- bypass capacitors

- strain gage
- stress, strain, Poisson effect, piezoresistive effect
- gage resistance
- gage factor
- Wheatstone bridge
- leadwire effects
- temperature compensation

- accelerometer
- bearing signature analysis, interpreting spectra
- frequency response
- piezoelectric accelerometer

- thermocouple
- laws
- reference junction measurement circuit

- actuators
- solenoid vs. voice coil
- electric motor construction, terminology, and principles of operation
- torque-speed and current-torque curves and the effect of supply voltage
- permanent magnet dc motor
- stepper motor
- principles of operation
- torque-speed curves
- unipolar full-step operation

- temperature sensor "comprehensive example"
- open collector output comparators
- potentiometer voltage divider circuits
- flip-flops and one-shots
- logic
- switches and pull-up resistors

- miscellaneous
- difficulties from past exams
- reading assignments
- homework assignments
- Lab exercises