Time And Frequency Repsponse
Time Response
First Order System
Measuring Time Constants
Frequency Response
General
An Introduction To Phasors
Frequency Dependent Elements
Capacitors
Inductors
Frequency Dependent Circuits
Filters
An Introduction To Filters
Varieties of First Order Filters
First Order Filter Simulators - Sinusoidal Inputs
A Note on What Happens in a First Order, RC, Electrical Filter
Filter Example - Noisy Sensor Voltage
Converting an Analog Filter to an Equivalent Digital Filter (Introduction)
Fourier Series Representation of Signals
Fourier Series
A Quick Summary of Pertinent Facts About Fourier Series
What is a Periodic Signal? (Is the fundamental necessary?)
Symmetry - Effects on Fourier Coeffients
Fourier Series Examples -
Square Wave
-
Repetitive Pulse
Interpreting Fourier Series Coefficients as Complex Numbers
More on Complex Fourier coefficients
What is the Fundamental Frequency of a Fourier Series - OR - Is the fundamental necessary?
FFT - the Fast Fourier Transform
A Note on the FFT
- Computational details
Note 1 on complex Fourier Representations
(c's as magnitude of the nth harmonic)
Note 2 on complex Fourier Representations
(c's as a complex combination of a's and b's)
What is a periodic signal?
- Calculating FFTs of apparently periodic signals - A sine wave is a sine wave, right?
Calculating the FFT in Matlab
Calculating the FFT in Mathcad
An Example FFT Calculation (Matlab)
- the Triangle Signal
An Example FFT Calculation (Mathcad)
- the Triangle Signal
Pulse Examples (
20%
,
25%
,
40%
,
60%
,
75%
,
80%
Duty Cycle Pulses)
Simulators
Frequency Response
Bode' Plots
Power In AC Circuits
Power
Problems and Lab Problems
Problems
Laboratory Problems