| 1 |
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Lab 1: Course Introduction |
Course Mechanics
Goals of Subject
Safety Orientation
Fundamental Notions
Current is flow of discrete charges
Voltage is a measure of the (potential) energy of each charge
Ohm's Law
Voltage and Current Dividers
Kirchoff's Voltage and Current Laws |
New Components
Power Supply
Banana Cables and Alligator Clips
DMM
White Protoboard
Applications
Scaling Signals |
Homework 1 out |
| 2 |
Lec 1: Resistors and Diodes |
Lab 2: Resistors and Diodes |
Power Dissipation
Resistors, Color Code, Power Rating
Discuss diodes as one-way valves, introduce voltage drop
Demonstrate exceeding the current limit on an LED!
How to specify current-limiting resistors for diodes
Note that reversed LEDs in parallel indicate the direction of current flow
Three-pin Regulator (7805) |
New Components
Resistors (show resistors of same value but different power ratings)
LEDs
Potentiometers
78xx Series Voltage Regulators
Applications
Indicators
Power Supplies |
Homework 2 out
Homework 1 due |
| 3 |
Lec 2: Switches, Rectifiers and Function Generators |
Lab 3: Bridge Circuits |
Discuss Switches
DPDT Knife Switch as to make AC "square" wave from DC
Introduce Bridge Rectifier |
New Components
DPDT Knife Switch
Function Generator
Oscilloscope
9V Cell
Applications
Rectifiers for AC-to-DC Conversion |
Homework 3 out
Homework 2 due |
| 4-5 |
Lec 3: Capacitors
Lec 4: RC Circuits |
Lab 4: Oscilloscopes and Capacitors
Lab 5: Filters |
Introduce Capacitors
Water Analogy to Storage Tank
Describe their Composition
Discuss Charge Storage and E-field
State q = CV and E = CV2/2
Derive differential equations for RC and show exponentials are solutions |
New Components
Capacitors
Applications
Filters for: Ripple, Noise Removal, Sig. Detection, Equalization
Regulated Power Supply |
Homework 3 due |
| 6 |
Lec 5: Relays and Transistors |
Lab 6: Relays and Transistors |
Electromechanical Relay
How it works
Specifications for Driving Coil
State need for Flyback Diode
Motors and their operation Bipolar Transistors as switches NPN only, properties under
No Bias
Linear Regime
Saturation |
New Components
DC Motor
E-M Relay
NPN Transistor
Applications
Control of Lighting, Motion, the Universe, and Everything |
Homework 4 out |
| 7 |
Lec 6: Op-Amps |
Lab 7: Op-Amps |
Op-Amps
Golden Rules
Analyze Inverting Amp
Discuss Behavior Near Rails
Some Limits on Applicability of Golden Rules
Comparators
Rules of Operation
Inverting Circuit
Non-Inverting |
New Components
741 Op-Amp as Amplifier
741 Op-Amp as Comparator
Applications
Signal Conditioning, etc. |
Homework 4 due |
| 8 |
Lec 7: Flip-Flops and the 555 Timer Circuit |
Lab 8: 555 Timer Circuit |
555 Timers |
New Components
555 Timer |
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| 9 |
Lec 8: Final Project Overview |
Lab 9: Sensors |
CdS Cells as Sensors |
New Components
CdS Cell
Applications
Many Robotic and Electro-mechanical Applications! |
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| 10 |
Lec 9: Final Project Concepts |
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| 11-14 |
Final Projects |
Final Projects |
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Final Presentation |