Aktive und passive Filter

Table of Contents

• Vorwort
• 1. Einführung in die aktive und passive Filtertechnik
• 1.1. Klassifizierung von Filtern
• 1.2. Analoge Abtastfilter
• 1.3. Digitale Filterschaltungen
• 1.4. Mechanische Filter
• 2. Frequenzabhängige und komplexe Widerstände
• 2.1. Realisierung von passiven Filterschaltungen
• 2.2. Schwingkreise
• 2.3. Komplexe Darstellung des Wechselstroms
• 2.4. Ortskurven
• 2.5. Smith-Diagramm
• 3. Passive Filterschaltungen
• 3.1. RC-Tiefpass
• 3.2. Impedanzanpassung
• 3.3. Frequenzabhängiges Übertragungsverhalten von passiven Frequenzfiltern
• 3.4. Passive Filter für Klangbeeinflussung
• 3.5. Möglichkeiten der Klangeinstellung mit RC-Filtern
• 3.6. Spannungsteiler mit Blindwiderständen
• 3.7. Kriterien für Filter
• 3.8. Vierpole und Filter
• 4. Arbeitsweise und Hauptphasen eines Simulators
• 4.1. Arbeiten mit dem Simulator
• 4.2. Konvergenzprobleme und Analysefehler
• 4.3. Simulation und Analyse
• 5. Lautsprecher und Frequenzfilter
• 5.1. Dynamischer Tieftonlautsprecher
• 5.2. Elektrisches und mechanisches Verhalten von Lautsprechern
• 5.3. Frequenzfilter
• 6. Aktive Filterschaltungen
• 6.1. Grundschaltungen von aktiven Filtern
• 6.2. Aktive RC-Tiefpassfilter
• 6.3. Aktive Tiefpass- und Hochpassfilter höherer Ordnung
• 6.4. Aktive Bandpass- und Bandsperrfilter
• 7. Zeitkontinuierliche IC-Filter
• 7.1. Filtergenauigkeit und Filterentwurf
• 7.2. Digital einstellbare IC-Filter
• 7.3. Universalfilter (State Variable Filter)
• 7.4. Aktive IC-Filter
• 7.5. Entstehung und Vermeidung von Alias-Signalen
• 8. Geschaltete IC-Filter
• 8.1. Grundlagen der „Switched Capacitor Filter“
• 8.2. Geschaltete Kapazitätsfilter mit Mikroprozessorschnittstelle
• 8.3. Anschlussprogrammierbare geschaltete Kapazitätsfilter
• 8.4. IC-Tiefpassfilter 5. Ordnung
• Literatur
• Index

Introduction

This book delves into the fundamental principles and simulation techniques of active and passive filters, utilizing the Multisim software. It provides a comprehensive overview of filter classification, design, and analysis, covering a wide range of filter types and their practical applications in electronics.

Chapter 1: Introduction to Active and Passive Filter Technology

This chapter introduces the concept of filters, their classification, and the basic principles behind active and passive filter circuits. It explores analog and digital filter designs, including sampled-data filters and mechanical filters.

Chapter 2: Frequency-Dependent and Complex Resistances

This section focuses on the behavior of components in AC circuits, introducing concepts like complex impedance, resonance, and the use of Smith charts for analysis. It covers the graphical representation of various circuit configurations and their frequency responses.

Chapter 3: Passive Filter Circuits

This chapter details the design and analysis of various passive filters, including low-pass, high-pass, band-pass, and band-stop filters. It discusses impedance matching, filter synthesis methods, and the application of filters in audio signal processing.

Chapter 4: Simulator Operation and Main Phases

This chapter provides an in-depth guide to using a circuit simulator, likely Multisim, for filter design and analysis. It covers various simulation modes such as operating point analysis, AC sweep, transient analysis, and Monte Carlo analysis, along with troubleshooting common simulation issues.

Chapter 5: Loudspeakers and Crossover Filters

This chapter examines the electrical and mechanical characteristics of loudspeakers and the design of crossover filters. It discusses different types of loudspeaker enclosures and the implementation of frequency filters for audio systems.

Chapter 6: Active Filter Circuits

This chapter explores the principles of active filters, which utilize active components like operational amplifiers. It covers basic active filter configurations, including low-pass, high-pass, band-pass, and band-stop filters, as well as higher-order filter designs.

Chapter 7: Time-Continuous IC Filters

This chapter focuses on integrated circuit (IC) filters, discussing their accuracy, design methods, and various implementations. It covers tunable filters, universal filters, and the challenges associated with aliasing in digital signal processing.

Chapter 8: Switched Capacitor Filters

This chapter introduces switched capacitor filters, which use capacitors and switches to simulate resistors. It covers the fundamentals of switched capacitor filter design, microprocessor interfacing, and practical filter implementations.

Literature and Index

The book concludes with a list of references for further reading and an index for easy navigation of the content.