The necessities in Filter Theory

Background

Bode plot

See swarthmore

OP Amp

Overview (pdf)

See Hyperphysics

Analog Filter Analysis (Continuous Time)

Digital Filter Analysis (Discrete Time)

Sample Processing Methods

• Tapped Delays (A.pdf)
• Programming Considerations
• Circular Buffers

FIR Filter Realizations

• Direct Form FIR Filter
• Canonical Form FIR Filter
• Cascade Form FIR Filter

IIR Filter Realizations

• Direct Form IIR Filter (A.pdf)
• Canonical Form IIR Filter
• Cascade Form IIR Filter

FIR (Finite Impulse Response) Filters

• Block Processing Methods
• Sample Processing Methods
• Window Method
• Kaiser Window
• Frequency Sampling Method

IIR (Infinite Impulse Response) Filters

• 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

Octave Functions for Filters

• Octave Functions for Filters (A.pdf)

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