Description
The Experiments on Gunn Diode Apparatus is a comprehensive microwave laboratory trainer designed to study the operating principles, V–I characteristics, and microwave oscillation behavior of a Gunn diode. This setup enables clear understanding of negative differential resistance and microwave generation in the GHz range, which is a fundamental concept in microwave and solid-state electronics.
Ideal for microwave laboratories, engineering colleges, universities, and communication engineering training institutes.
✅ Key Features
📡 Gunn Diode Microwave Oscillator Study
Demonstrates microwave generation using Gunn diode
Study of negative resistance region of Gunn diode
Understanding of transferred electron effect (Gunn Effect)
⚡ Gunn Diode V–I Characteristics
Measurement of voltage-current characteristics
Identification of threshold voltage and operating region
Clear observation of negative differential resistance behavior
🔊 Frequency & Power Measurement
Measurement of microwave output frequency
Study of output power variation with bias voltage
Compatible with standard microwave accessories
🧱 Complete Microwave Trainer Setup
Gunn diode mount with biasing arrangement
Regulated power supply with fine voltage control
Waveguide components (isolator, attenuator, detector – model dependent)
Clearly labeled front panel for easy understanding
📊 Educational & Measurement Support
Easy connection for CRO, frequency meter, and power meter
Enables plotting of characteristics curves
Supports multiple microwave experiments on a single setup
🛡 Safety & Reliability
Low-voltage biasing for student safety
Rugged mechanical construction
High-quality microwave components ensure long service life
📘 Typical Experiments
Study of Gunn diode characteristics
Observation of negative resistance region
Microwave oscillation generation using Gunn diode
Measurement of microwave frequency
Measurement of output power vs bias voltage
💡 Why Choose This Apparatus?
Clear demonstration of microwave generation principles
Essential experiment for microwave engineering courses
Accurate, repeatable, and student-friendly design
Ideal for diploma, undergraduate, and postgraduate labs
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