Electronic filter design handbook: LC, active, and digital filters
This edition has been updated to reflect the tremendous changes taking place in electronic filter design. New digital filters, operational amplifiers and filter architectures are included. The accompanying diskette contains five filter programs new to this edition.
Why Read This Book
You should read this book if you want a hands-on, engineering-focused reference that ties classical analog LC and active filter methods to practical digital filter design and evaluation. You will learn time-proven synthesis techniques, real-world implementation tips using op amps and discrete networks, and how to apply FFT and spectral methods to verify filter performance in audio, communications, and radar systems.
Who Will Benefit
Practicing electrical engineers and advanced students with an interest in designing and implementing analog and digital filters for audio, speech, communications, or radar applications.
Level: Intermediate — Prerequisites: Basic circuit theory (AC networks), calculus and complex numbers, introductory signals and systems or basic DSP concepts, and familiarity with operational amplifier behaviour.
Key Takeaways
- Design passive LC networks and synthesize classic filter prototypes (Butterworth, Chebyshev, elliptic) for specified impedance and bandwidths.
- Implement active filter topologies using operational amplifiers and evaluate trade-offs in real-world components.
- Derive and realize IIR and FIR digital filters from analog prototypes and direct digital-design techniques.
- Apply FFT-based spectral analysis to measure and validate filter responses and to analyze audio, speech, radar, and communication signals.
- Use the book's computational examples and diskette utilities to iterate designs and translate theory into working circuits and code.
- Assess practical implementation issues such as component tolerances, stability, noise, and mismatch between ideal and measured responses.
Topics Covered
- Fundamentals of Filters and Network Theory
- Passive LC Filter Synthesis and Prototypes
- Impedance Matching and Filter Transformations
- Operational Amplifiers and Active Filter Architectures
- Design of Second-Order and Higher-Order Active Filters
- Digital Filter Fundamentals and Analog-to-Digital Considerations
- IIR Filter Design from Analog Prototypes
- FIR Filter Design and Windowing Methods
- FFT, Spectral Analysis, and Filter Evaluation
- Filter Realizations, Architectures, and Computer-Aided Design
- Applications: Audio/Speech, Communications, and Radar Filters
- Practical Considerations: Tolerances, Testing, and Instrumentation
- Appendices and Diskette Utilities (design programs and examples)
Languages, Platforms & Tools
How It Compares
More application-focused and broader in practical analog + digital filter coverage than Oppenheim & Schafer's DSP texts, and more up-to-date on digital/active implementations than classic analog-only treatments like Van Valkenburg's Analog Filter Design.
