This page contains links to problems for the lessons.

• Interactive Problems
• Diodes
• Filter - First Order Filter, Sinusoidal Input & Output
• Filter - First Order Filter, Noise Input
• Filter - First Order Filter, DC Signal + Sine Signal + Noise
• Fourier Series - Computing Fourier Coefficients for Various Signals
• Fourier Series - Build a Signal From Fourier Coefficients
• A/D Converters
• Time Constant Quiz

• Basic Concepts
• Basic1P01  - Charge Problem This is a link to a longer problem (puzzle?) that requires you to know something about current and charge.
• Basic2P01
• Basic3P01  - Voltage Problem
• Basic3P02 - Voltage/Energy Problem
• Basic3P03 - Voltage Problem #3 (In-class problem, Meeting 1/Basic Concepts)
• Basic3P04 -
• Basic4P01 - A KCL Problem

• Circuits
• Circuit1P01 - Averaging Outputs of 3 Temperature Transducers

• Data Files
• DataFile1P01 - A Data Rate Problem
• DataFile1P02 - A Programming Problem
• DataFile1P03 -
• DataFile4P01 - Calculate File Size
• DataFile4P02 - Streaming Dr. Abner Mallity
• DataFile4P03 -

• Data Conversion
• Problem ConvADP01 - A/D Problem
• Problem DVMP01 - DVM Problem
• Problem DVMP02 - DVM Problem
• Problem DVMP03 - DVM Problem

• Digital Logic
• Logic1P01 - Building a Three-Input AND.
• Logic2P01 - Getting A Circuit From A Truth Table
• Logic2P02 - Getting A Circuit From A Truth Table
• Logic2P03 - Getting A Circuit From A Truth Table (Based on Problem 2P02)
• Logic2P04 - Getting A Circuit From A Truth Table
• Logic2P05 - Getting A Function From a Truth Table & Simplifying.
• Logic2P06 - A Function With Don't Cares - the 7-Segment Decoder
• Logic2P07 - The Voting Circuit.
• Logic3P01
• Logic3P02 - Simplifying A Complex Circuit
• Logic3P03 - The Solar Heating System
• Logic3P04 - The Avocado Slush Function
• Logic4P01 - Generating a Pulse Train
• Logic5P01 - Designing A Steering Circuit
• Logic5P02 - A Signal Generating Circuit
• Logic7P01 - Data Representation

• Diodes
• Diode1P01 - The Diode Rectifier
• Diode1P02 - A Modified Diode Rectifier
• Diode1P03 - A Two-Diode Circuit
• Diode1P04 - A Voltage Limiter
• Diode3P01 - An LED Problem
• Diode4P01 -
• Diode4P02 -
• Diode4P03 -
• Diode4P04 -
• Diode4P05 -
• Diode4P06 -

• Fourier Series
• Freq4P00A - A Guided Problem
• Freq4P00B - A Guided Problem
• Freq4P03 - Data from "twanging" a bar
• Freq4P04 - Random data with possible embedded periodic signal - A
• Freq4P05 - Random data with possible embedded periodic signal - B
• Freq4P06 - Random data with possible embedded periodic signal - C
• Freq4P07 - Random data with possible embedded periodic signal - D
• Freq4P08 - Data from a noisy pressure sensor
• Freq4P09 - Digital Filter - A
• Freq4P10 - Digital Filter - B
• Freq4P11 - Digital Filter - C
• Freq4P12 - Digital Filter - D
• Freq4P13 -
• Freq4P14 -
• Freq4P15 -
• Freq4P16 - Noisy Periodic Signal

• Frequency/Filters

• Freq1P01
• Freq1P02 - Filtering Out 60 Hz Noise
• Freq1P03 - Millie's Mixed Up Movies
• Freq1P04
• Freq1P05 - A Two Stage Filter

• Interfaces
• ConvADP01. - Getting specs for a D/A board

• Measurements
• Problem MeasVoltP01

• Operational Amplifiers
• OpAmp2P01 - An Op Amp Puzzle
• OpAmp2P02 -
• OpAmp2P03 - Computing a Resistance for a Specified Gain
• OpAmp2P04 - Computing a Resistance for a Specified Gain
• OpAmp2P05 - Determining the function of a more complex op-amp circuit
• OpAmp3P01 - A non-inverting amplifier
• OpAmp3P02 - Op-amp summer
• OpAmp3P05 - Op-amp averaging circuit

• Resistance
• Resist1P01 - Resistance Calculations - 1
• Resist1P02 - Resistance Calculations - 2

• Sensors
• Balancing a Bridge with a Sensor
• Sensor Dynamics - Predicting Response

• Signals
• Signal1P01 - Millie needs a 300v source
• Signal1P02 - Millie reverses the leads.
• Signal1P03 - The Wall Plug Voltage

• Sources
• Source1P01 - Two Ideal Voltage Sources In Series
• Source1P02 - Two Ideal Voltage Sources In Series
• Source1P03 - Two Ideal Voltage Sources In Parallel
• Source1P04 - Two Ideal Current Sources In Parallel

• DC Circuit Problems
• 1.A Loaded Bridge Circuit
• 2.A Loaded Voltage Divider.
• 3.The Case Of The Non-Ideal Op-Amp1
• 4.Getting A Resistance Symbolically
• 5.Power In A Resistor
• 6.An Average Circuit
• 7.Droopy Voltage in SEPTA
• 8.Power From 2 Sources

1.  Three Problems on Energy In Capacitors

1.  Willy and Millie Argue About RC Circuits
2.  Willy and Millie Keep Going

1.Millie's Mixed-Up Movies
2.Filtering Up a Notch
   Solution
3.Mixed Up Filters

1.Abner Mallity Can't Understand The Transformer
2. Capacitor Magnification Using A Transformer

1.  Opening the Circuit in an Inductor Circuit
2.  Time Constants - Half Lives - What's the difference?
3.  Determining Time Constants From Data
4.  Predicting 555 Timer Frequency