Frequency Modulation and Demodulation

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Product Details:

Display Analog Meters for input/output signal indication
Power 10W
Voltage 230V AC, 50Hz
Usage Educational, Laboratory, Training
Product Type Frequency Modulation and Demodulation Trainer
Material MS Powder Coated Chassis
Design Desktop, compact
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Frequency Modulation and Demodulation Price And Quantity

Minimum Order Quantity 1 Unit

Calibration Factory calibrated with provision for in-field adjustment
Modulation Technique Frequency Modulation using Varactor Diode
Accessories Included User manual, mains cord, and set of connecting leads
Safety Features Fuse protected, earthed terminal, short-circuit protection
Control Variable frequency and amplitude controls for experimentation
Frequency Range Modulation and Demodulation from 100 Hz to 100 kHz
Input Signal Sine and Square waveform upto 5V p-p
Output Signal FM and Demodulated output accessible via front panel
Demodulation Technique Pll (Phase Locked Loop) and Diode Detector supported
Operating Temperature 0°C to 50°C
Front Panel Features Color schematic and block diagram for educational assistance

Frequency Modulation and Demodulation Product Specifications

Accuracy High precision for modulation and demodulation processes
Power 10W
Charging Time Not applicable (Mains powered)
Illuminant LED indication for power ON
Display Analog Meters for input/output signal indication
Material MS Powder Coated Chassis
Weight About 1.5 kg
Dimension (L*W*H) 220 mm x 130 mm x 50 mm
Detector Envelope Detector for demodulation
Product Type Frequency Modulation and Demodulation Trainer
Usage Educational, Laboratory, Training
Design Desktop, compact
Power Source Mains - AC
Voltage 230V AC, 50Hz

Calibration Factory calibrated with provision for in-field adjustment
Modulation Technique Frequency Modulation using Varactor Diode
Accessories Included User manual, mains cord, and set of connecting leads
Safety Features Fuse protected, earthed terminal, short-circuit protection
Control Variable frequency and amplitude controls for experimentation
Frequency Range Modulation and Demodulation from 100 Hz to 100 kHz
Input Signal Sine and Square waveform upto 5V p-p
Output Signal FM and Demodulated output accessible via front panel
Demodulation Technique Pll (Phase Locked Loop) and Diode Detector supported
Operating Temperature 0°C to 50°C
Front Panel Features Color schematic and block diagram for educational assistance

Frequency Modulation and Demodulation Trade Information

Supply Ability 5 Unit Per Week
Delivery Time 4-5 Days
Main Export Market(s) Australia, South America, Western Europe, Middle East, Central America, Asia, Eastern Europe, North America, Africa
Main Domestic Market All India

Product Description

Frequency Modulation & Demodulation

Objective:

Observe Change in the Carrier Frequency 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/ 250mA.
On Board Sine Wave Audio Frequency Signal Generator
Frequency: 2 KHz & 4KHz Amplitude: 0-2.8 Vpp
Modulation using VCO 8038 (Carrier generator internally 62KHz, 5.5Vpp)
Demodulation Circuit Using Phase Locked Loop IC LM 565.
Circuit Diagram Printed on Glass Epoxy PCB & all Important IC's & Test Points Brought out on Front Panel.
Power Requirement: 230 VAC +10%, 50Hz.

Versatile Modulation and Demodulation

Experience frequency modulation using a varactor diode, complemented by robust demodulation options that include PLL and diode detectors. The system supports a wide frequency range, allowing exploration and analysis of various input signal forms for comprehensive learning and hands-on experimentation.

User-Friendly Educational Design

The trainer boasts a color schematic and block diagram on the front panel, enabling visual understanding of circuit operation. Analog meters showcase real-time activity, while controls for amplitude and frequency offer flexibility for a broad spectrum of experiments and educational activities.

Reliable Construction and Safety

Manufactured in India, this product features a durable, powder-coated MS chassis suitable for repeated use. Safety measures include fuse protection, short-circuit resistance, and an earthed terminal, ensuring dependable operation in laboratory environments. Factory calibration assures measurement precision.

FAQs of Frequency Modulation and Demodulation:

Q: How is frequency modulation achieved with this trainer?

A: Frequency modulation is accomplished through the use of a varactor diode, which allows the frequency of the carrier signal to be varied according to the input signal. This enables students and professionals to practically observe and study FM principles within the 100 Hz to 100 kHz range.

Q: What types of input signals can be used with this device?

A: This trainer accommodates both sine and square waveform inputs up to 5V peak-to-peak, providing versatility for a range of modulation and demodulation experiments and demonstrations.

Q: When should I utilize the PLL demodulation technique?

A: The phase-locked loop (PLL) demodulation method is recommended when you require high accuracy in signal recovery from frequency-modulated signals. Its use is especially beneficial in educational settings to demonstrate advanced FM demodulation concepts.

Q: Where can I access the FM and demodulated output signals?

A: All FM and demodulated output signals are readily accessible via the front panel connectors. This setup simplifies the process of connecting test leads for real-time monitoring and analysis during training or experimentation.

Q: What is the process for adjusting frequency and amplitude?

A: Variable knobs on the front panel allow users to fine-tune both frequency and amplitude, providing a controlled environment for exploring the effects of modulation depth and carrier frequency on system performance.

Q: How does this trainer ensure safety during operation?

A: The unit is equipped with multiple safety features, including a fuse, earthed terminal, and short-circuit protection, ensuring safe usage in teaching laboratories and training environments.

Q: What benefits does the inclusion of a color schematic and block diagram provide?

A: Having a color schematic and block diagram directly on the front panel supports quick understanding of the systems signal flow and circuit design, greatly enhancing the educational experience for students and trainees.

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