The necessities in Filter Theory
Background edit
Bode plot edit
See swarthmore
OP Amp edit
Overview (pdf)
See Hyperphysics
Analog Filter Analysis (Continuous Time) edit
First Order Filters edit
Second Order Filters edit
Digital Filter Analysis (Discrete Time) edit
Sample Processing Methods edit
- Tapped Delays (A.pdf)
- Programming Considerations
- Circular Buffers
FIR Filter Realizations edit
- Direct Form FIR Filter
- Canonical Form FIR Filter
- Cascade Form FIR Filter
IIR Filter Realizations edit
- Direct Form IIR Filter (A.pdf)
- Canonical Form IIR Filter
- Cascade Form IIR Filter
FIR (Finite Impulse Response) Filters edit
- Block Processing Methods
- Sample Processing Methods
- Window Method
- Kaiser Window
- Frequency Sampling Method
IIR (Infinite Impulse Response) Filters edit
- Bilinear Transform
- 1st Order Lowpass and Highpass Filters
- 2nd Order Lowpass and Highpass Filters
- Parametric Equalizer Filters
- Comb Filters
- High Order Filters
Example Octave Codes for Digital Filters edit
Octave Functions for Filters edit
- Octave Functions for Filters (A.pdf)