AM / FM Radio Receiver
Scientech 2661A

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Product Description

Scientech TechBooks are compact and user friendly learning platforms to provide a modern, portable, comprehensive and practical way to learn Technology. Each TechBook is provided with detailed Multimedia Product Tutorial which covers basic theory, step by step procedure to conduct the experiment and other useful information.

Scientech 2661A AM / FM Radio Receiver is a comprehensive learning solution specifically designed to study and understand the working principle and basic operation of both types of superheterodyne radio receivers; AM Radio Receiver and FM Radio Receiver. The TechBook provides the conceptual and step by step understanding of a superheterodyne receiver system through measurement of voltages and observation of waveforms at various test points. Block wise modular

organization of circuit function with supporting technical information makes it easy to understand the process of AM / FM reception and demodulation. The exercises conceived to provide a practical approach to the subjects enable a deep analysis of the subjects and will guide the students to understand each function.

Scientech 2661A, AM / FM Radio Receiver is an ideal teaching aid to enhance education, training, skills & development amongs our young minds.

Product Features

A self contained TechBook
Functional blocks with self explanatory waveforms and technical
details indicated on board
On board Tuner provided for tuning the AM/FM transmitting stations
Interconnections between different section using 2mm patch cords
More than 50 test points for waveform observation and analysis
12 Switched faults for troubleshooting at different functional blocks
Telescopic antenna for reception of AM/FM signal
On board audio jack provided for Earphone connection
On board Speaker provided for audio communication
Product Tutorial

Scope of Learning

Double Sideband AM Reception and study of Diode Detector
Single Sideband AM Reception and study of Product Detector
Operation of the Automatic Gain Control Circuit (AGC)
To plot Selectivity curve for AM radio receiver
To plot Sensitivity curve for AM radio receiver
To plot Fidelity curve for AM radio receiver
FM Reception and study of Ratio Detector
AM / FM Radio Receiver

Technical Specification

Audio Output: Amplifier with speaker
Tuning: Variable capacitor (ganged) dial marking on board
Receiving media: Telescopic antenna / RF cable
Switched Faults: 12 Nos
Test Points: 50 Nos
Power Supply: 110-220 V AC ±10%, 50/60Hz

Power Consumption: 3VA (approximately)
Interconnections: 12mm Banana sockets
Operating Conditions: 0-40 C, 80% RH
Dimensions (mm): W 326 × D 252 × H 52
Weight: 3 Kg approximately
Product Tutorials: Online (on ScientechLearning.com)

AM Receiver

Construction: Superheterodyne
AM Frequency Band: 530 KHz – 1650 KHz
Local Oscillator Freq. Range: 980 KHz to 2.060 MHz
Intermediate Frequency (IF): 455 KHz
Input Circuits: 1. RF amplifier
2. Mixer
3. Local oscillator
4. Beat frequency oscillator
5. IF amplifier 1
6. IF amplifier 2
7. Automatic Gain Control
AM Detectors: 1. Diode detector (for DSB)
2. Product detector (for SSB)

FM Receiver

Construction: Superheterodyne
FM Frequency Band: 88 MHz to 108 MHz
Tuning Range: 96 MHz to 120 MHz
IF Frequency: 10.7 MHz
Input Circuit: 1. RF amplifier
2. Mixer
3. Local oscillator
4. IF amplifier 1
5. IF amplifier 2
6. FM Detector
7. Automatic Frequency Control

Categories

AM / FM Radio Receiver
Scientech 2661A

Product Description

Product Features

Scope of Learning

Double Sideband AM Reception and study of Diode Detector

Single Sideband AM Reception and study of Product Detector

Operation of the Automatic Gain Control Circuit (AGC)

To plot Selectivity curve for AM radio receiver

To plot Sensitivity curve for AM radio receiver

To plot Fidelity curve for AM radio receiver

FM Reception and study of Ratio Detector