The objective of the following interactive computer demos is to illustrate the results developed in the circuit analysis classes ECE 109, ECE 207, ECE 209 and ECE 307.

• RESISTOR CIRCUITS
  

• CIRCUITS WITH CONTROLLED SOURCES
  • Basic Properties of Circuits With Controlled Source

• OP AMP CIRCUITS
  • Positive Gain Op Amp Circuits
• Negative Gain Op Amp Circuits
• Limitations of Op Amp Circuits
  

• TRANSIENT RESPONSES OF FIRST AND SECOND ORDER CIRCUITS
  • Transient Responses of First Order RC Circuits
  • Transient Responses of First Order RL Circuits
  • Transient Responses of Second Order RLC Circuits
  
  
• FREQUENCY RESPONSES OF FIRST AND SECOND ORDER CIRCUITS
  • Basic Trig and Complex Exponentials
  • Frequency Responses of First Order RC Circuits
  • Frequency Responses of First Order RL Circuits
  • Frequency Responses of Second Order RLC Circuits
  • Bode Plots of First Order Circuits
  • Transfer Functions
  
  
• FOURIER ANALYSIS
  • Fourier Series
  • Filtering
  • Complex Fourier Series
  • Fourier Transforms
  
  
• POLES AND ZEROES
  • Poles and Zeroes of First Order Circuits
  
  
• ELECTRONIC CIRCUITS
  • Transistor Biasing
  
  
• DIGITAL CIRCUITS
  • Basics of Logic Gates
  
  
• PROBABILITY
  • Basics of Probability
  
  

RESISTOR CIRCUITS

• THE VERY BASICS
  • Current Reference Directions
  • Kirchhoff's Current Law
  • Voltage Reference Directions
  • Kirchhoff's Voltage Law
  • Ohms Law For Linear Resistors
  • Voltage and Current Sources
  • Circuits With One Resistor and One Voltage Source
  • Circuits With One Resistor and One Current Source
  • Energy Transfer
  
  
• SERIES AND PARALLEL RESISTOR CIRCUITS
  • Series Circuits
  • Parallel Circuits
  • Open and Short Circuits
    
    
• NODE EQUATIONS OF RESISTOR CIRCUITS
  • Node Equations
  
  
• GENERAL PROPERTIES OF RESISTOR CIRCUITS
  • Equivalent Resistance
  • Thevenin and Norton Equivalent Circuits
  • Transfer Functions
  • Loading
  • Superposition

• RESISTOR CIRCUITS WITH SINUSOIDAL SOURCES
  • Resistor Circuits With Sinusoidal Sources
    

CIRCUITS WITH CONTROLLED SOURCES

• BASIC PROPERTIES OF CIRCUITS WITH CONTROLLED SOURCES
  • Superposition in Circuits With Controlled Sources
  • Thevenin Equivalents of Circuits With Controlled Sources
  • Norton Equivalents of Circuits With Controlled Sources

OP AMP CIRCUITS

• POSITIVE GAIN OP AMP CIRCUITS
  • Basic Operation of Positive Gain Op Amp Circuits - Demo 1
  • Basic Operation of Positive Gain Op Amp Circuits - Demo 2
  • Equivalent Circuits of Positive Gain Op Amp Circuits
  
  
• NEGATIVE GAIN OP AMP CIRCUITS
  • Basic Operation of Negative Gain Op Amp Circuits - Demo 1
  • Basic Operation of Negative Gain Op Amp Circuits - Demo 2
  • Equivalent Circuits of Negative Gain Op Amp Circuits
  
  
• LIMITATIONS OF OP AMP CIRCUITS
  • Saturation in Op Amp Circuits

TRANSIENT RESPONSES OF FIRST AND SECOND ORDER CIRCUITS

• TRANSIENT RESPONSES OF FIRST ORDER RC CIRCUITS
  • Transient Responses of First Order RC Circuits - Demo 1
  • Transient Responses of First Order RC Circuits - Demo 2
  • Response of First Order RC to a Constant Input
  • First Order RC Circuits with Switches - Demo 1
  • First Order RC Circuits with Switches - Demo 2
  • Step Responses of First Order RC Circuits
  • Pulse Responses of First Order RC Circuits
  • Impulse Responses of First Order RC Circuits
  • Pulse Train Responses of First Order RC Circuits
  
  
• TRANSIENT RESPONSES OF FIRST ORDER RL CIRCUITS
  • Transient Responses of First Order RL Circuits - Demo 1
  • Transient Responses of First Order RL Circuits - Demo 2
  • Response of a First Order RL to a Constant Input
  • First Order RL Circuits with Switches - Demo 1
  • First Order RL Circuits with Switches - Demo 2
  • Step Responses of First Order RL Circuits
  • Pulse Responses of First Order RL Circuits
  • Impulse Responses of First Order RL Circuits
  • Pulse Train Responses of First Order RL Circuits
  
  
• TRANSIENT RESPONSES OF SECOND ORDER RLC CIRCUITS
  • Transient Responses of 2nd Order Underdamped Circuits
  • Transient Responses of 2nd Order Overdamped Circuits
  • 2nd Order RLC Circuits With Switches
  • Step Responses of 2nd Order RLC Circuits

FREQUENCY RESPONSES OF FIRST AND SECOND ORDER CIRCUITS

• BASIC TRIG AND COMPLEX EXPONENTIALS
  • Calculation of Inverse Tangents
  • Euler's Relation
  
  
• FREQUENCY RESPONSES OF FIRST ORDER RC CIRCUITS
  • Sinusoidal Steady State Response
  • Frequency Response
  • Transfer Functions
  • Time and Frequency Response
  
  
• FREQUENCY RESPONSES OF FIRST ORDER RL CIRCUITS
  • Sinusoidal Steady State Response
  • Frequency Response
  • Transfer Functions
  • Time and Frequency Response
  
  
• FREQUENCY RESPONSES OF SECOND ORDER RLC CIRCUITS
  • Second Order RLC Resonant Circuit - Demo 1
  • Second Order RLC Resonant Circuit - Demo 2
  
  
• BODE PLOTS OF FIRST ORDER CIRCUITS
  • Bode Plots of First Order Lowpass Circuits
  • Bode Plots of First Order Highpass Circuits
  
  
• TRANSFER FUNCTIONS
  • Transfer Functions of First Order Lowpass Circuits
  • Transfer Functions of First Order Highpass Circuits
  • Transfer Functions of First Order Highpass Circuits

FOURIER ANALYSIS

• FOURIER SERIES
  • Fourier Series Approixmation of a Pulse Train
  • Spectral Plots Of Periodic Signals
  
  
• FILTERING
  • Ideal Lowpass Filtering - Demo 1
  • Ideal Lowpass Filtering - Demo 2
  • Ideal Bandpass Filtering - Demo 1
  • Ideal Bandpass Filtering - Demo 2
  • 2nd Order Resonant Filter With a Pulse Train Input
  
  
• COMPLEX FOURIER SERIES
  • Double-Sided Spectral Plots of Periodic Signals
  • Spectral Plot of a Pulse Train - Demo 1
  • Spectral Plot of a Pulse Train - Demo 2
  • Envelopes of Spectral Plots
  
  
• FOURIER TRANSFORMS
  • Spectral Densities
  • Fourier Transforms of Pulses
  • Fourier Transforms of Impulses
  • Fourier Transforms of Constants
  • Fourier Transforms of Sinusoids
  • Fourier Transforms of Sums of Sinusoids
  • Fourier Transforms of Pulse Trains
  • Fourier Transforms of Impulse Trains

POLES AND ZEROES

• Poles and Zeroes of First Order Circuits
  • Poles and Zeroes of First Order Lowpass Circuits
  • Poles and Zeroes of First Order Highpass Circuits

ELECTRONIC CIRCUITS

• TRANSISTOR BIASING
  • Biasing of BJT Transistors

DIGITAL CIRCUITS

• BASICS OF LOGIC GATES
  • Positive and Negative Logic

PROBABILITY

• BASICS OF PROBABILITY
  • Conditional Probability
  • Independence