Active Filter Trainer | First Order Low Pass, Second Order Low Pass & Second Order High Pass Filters Using Operational Amplifier

Description

The Active Filter Trainer Apparatus is a high-precision educational instrument designed to study first-order low-pass, second-order low-pass, and second-order high-pass active filters using operational amplifiers. It provides hands-on learning of frequency response, gain characteristics, cutoff frequency, and phase shift in active filter circuits.
Ideal for electronics laboratories, engineering colleges, polytechnic institutes, and technical training centers.
✅ Key Features
⚡ Comprehensive Active Filter Study
First-order low-pass filter using Op-Amp
Second-order low-pass filter with enhanced slope
Second-order high-pass filter for frequency analysis
Clear visualization of filter gain and phase response
🔌 Flexible Input & Output Connections
Easily connect to AC signal sources and measurement instruments
Allows experimentation with varying signal frequencies and amplitudes
Compatible with oscilloscopes, function generators, and voltmeters
📊 High-Precision Components
Quality resistors, capacitors, and operational amplifiers
Ensures accurate frequency response and minimal component tolerance effects
Clearly labeled components for easy identification and learning
🧱 Educational Trainer Design
Printed schematic and component layout on the front panel
Labeled switches, terminals, and test points for straightforward operation
Robust and compact design suitable for repeated lab experiments
🛡 Safety & Reliability
Operates at low voltage for safe student use
Durable components for long-term practical sessions
Stable and reproducible experimental results for teaching purposes
📘 Typical Applications
Study of first-order low-pass, second-order low-pass, and second-order high-pass active filters
Analysis of frequency response, cutoff frequency, gain, and phase shift
Practical signal processing and electronics training
Undergraduate and postgraduate electronics and electrical engineering labs
Comparison of theoretical and practical filter characteristics
💡 Why Choose This Apparatus?
Enables hands-on learning of active filter design using operational amplifiers
Accurate visualization of gain and phase characteristics
Compact, durable, and easy-to-use for classroom and lab training
Ideal for practical electronics experiments in academic institutions