Amplitude Modulation and Demodulation

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Product Details:

Power 15W
Usage Laboratory experiments, technical education, training
Display Analog meter for signal indication
Voltage 230 V AC, 50Hz
Product Type Educational Trainer Kit
Material High impact ABS housing
Design Desktop module with clear circuit layout
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Amplitude Modulation and Demodulation Price And Quantity

Minimum Order Quantity 1 Unit

Demodulation Method Envelope detection with diode
Operating Temperature 0°C to 50°C
Educational Value Ideal for engineering and physics labs
Modulation Depth Control Variable modulation index via potentiometer
Protection Overload and short-circuit protection
Input Signal Interface Built-in audio signal generator and external input
Test Points Multiple test points for waveform observation
Modulation Method Discrete circuit based amplitude modulation
Signal Visualization Oscilloscope recommended for output monitoring
Build Quality Robust cabinet for longevity
Audio Output Speaker output and terminal connection
Accessories Included Power cord, instruction manual, connecting leads
Carrier Generator Crystal oscillator based carrier generation
Frequency Range Audio input: 300 Hz - 3 kHz, Carrier: 100 kHz to 1 MHz

Amplitude Modulation and Demodulation Product Specifications

Voltage 230 V AC, 50Hz
Charging Time Not applicable (mains powered device)
Display Analog meter for signal indication
Dimension (L*W*H) 260 mm x 185 mm x 90 mm
Power Source Mains electricity
Detector Advanced envelope detector for demodulation
Product Type Educational Trainer Kit
Accuracy High frequency stability and minimal distortion
Usage Laboratory experiments, technical education, training
Power 15W
Material High impact ABS housing
Design Desktop module with clear circuit layout
Weight Approx. 1.5 kg

Demodulation Method Envelope detection with diode
Operating Temperature 0°C to 50°C
Educational Value Ideal for engineering and physics labs
Modulation Depth Control Variable modulation index via potentiometer
Protection Overload and short-circuit protection
Input Signal Interface Built-in audio signal generator and external input
Test Points Multiple test points for waveform observation
Modulation Method Discrete circuit based amplitude modulation
Signal Visualization Oscilloscope recommended for output monitoring
Build Quality Robust cabinet for longevity
Audio Output Speaker output and terminal connection
Accessories Included Power cord, instruction manual, connecting leads
Carrier Generator Crystal oscillator based carrier generation
Frequency Range Audio input: 300 Hz - 3 kHz, Carrier: 100 kHz to 1 MHz

Amplitude Modulation and Demodulation Trade Information

Supply Ability 5 Unit Per Week
Delivery Time 4-5 Days
Main Domestic Market All India

Product Description

Amplitude Modulation & Demodulation

Objective:

Observe Change in the Carrier Amplitude According to the Amplitude of the Modulating Signal
Calculate Modulation Index of the Modulated Signal
Recovery of Modulating Signal From Demodulator Circuit.

Technical Specifications:

In built IC based DC regulated power supply +12V/ 500mA.
On board sine wave audio frequency signal generator
Frequency : 1KHz Amplitude : 0-2Vpp
On board carrier signal generator
Frequency : 455 Khz Amplitude : 2.5 Vpp
Modulation using Balanced Modulator IC LM 1496.
Demodulation using Diode Detector OA 79.
Circuit Diagram Printed on Glass Epoxy PCB & all important IC's & test points are brought out on front panel.
Power requirement: 230 VAC +10%, 50Hz.

Comprehensive Learning Tool for AM & Demodulation

Designed for in-depth classroom and laboratory experiments, this device provides a hands-on approach to understanding amplitude modulation (AM) and envelope detection demodulation. Test points, a variable modulation index, and clear circuit layout enable real-time observation and manipulation of the modulation process, making it highly effective for engineering and physics students.

Exceptional Build and User-Friendly Operation

Constructed with high impact ABS housing, this desktop trainer ensures durability and safety. The user-friendly design incorporates multiple test points, analog signal indication, and clearly labeled connections. With overload and short-circuit protection, the equipment is suitable for repeated use in busy educational settings, providing longevity and reliability.

Versatile Input and Output Options

This module features a built-in audio signal generator plus external input capability, facilitating a wide range of experiment scenarios. The robust audio output is provided via both speaker and terminal connections. Crystallized carrier generation offers high frequency stability and minimal distortion, ensuring accurate and reproducible results across experiments.

FAQs of Amplitude Modulation and Demodulation:

Q: How does amplitude modulation occur in this trainer setup?

A: Amplitude modulation in this trainer is achieved using discrete electronic circuitry. The audio input signal (300 Hz 3 kHz) modulates a high-frequency carrier (100 kHz 1 MHz) generated by a crystal oscillator, with the degree of modulation adjustable via a potentiometer. The process can be monitored in real time using provided test points.

Q: What is the demodulation method used and how does it work?

A: Demodulation is carried out through advanced envelope detection using a diode circuit. This method extracts the audio information from the modulated carrier, which is then delivered through a built-in speaker or terminal output. The envelope detector ensures accurate signal recovery with minimal distortion.

Q: When and where is this product most effectively utilized?

A: This amplitude modulation and demodulation trainer is optimized for laboratory environments in engineering colleges, technical institutes, and physics classrooms. Its robust design and safety features make it ideal for frequent hands-on experiments and technical training sessions.

Q: What processes or experiments can be performed using this module?

A: The module facilitates experiments on amplitude modulation principles, measurement of modulation index, observation of modulated and demodulated waveforms, and analysis of frequency stability and distortion. Students can use oscilloscopes to visualize signal behavior and optimize experiments using various input sources.

Q: How do I monitor and analyze signals from the trainer?

A: You can observe waveforms at multiple test points using an oscilloscope, which is recommended for accurate signal visualization. The analog meter on the device aids in monitoring signal strength during operation, enhancing experiment accuracy.

Q: What are the usage benefits of this device for educational settings?

A: This trainer offers a clear, hands-on approach to studying amplitude modulation and demodulation. Its stable, low-distortion output and user-friendly features promote understanding of real-world communications electronics, supporting both theoretical and practical learning objectives.

Q: What safety and protection features are included?

A: The equipment includes overload and short-circuit protection to safeguard both the user and internal components during operation, making it dependable for repeated educational use.

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