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AL-E520 FM TRANSMITTER AND RECEIVER TRAINER


Discription:

SCOPE OF LEARNING:

  • Study of Frequency Modulation using Varactor modulator
  • Study of Frequency Modulation Using Reactance Modulator
  • Study of Operation of Detuned Resonant Circuit
  • Study of Operation of Quadrature Detector
  • Study of Operation of Phase-Locked Loop Detector
  • Study of Operation of Foster - Seeley Detector
  • Study of Operation of Ratio Detector
  • TECHNICAL SPECIFICATIONS:

On Board

  • 8 switched faults.
  • Audio Oscillator : With adjustable amplitude & frequency    (300 Hz - 3.4 KHz)
  • Two Types of FM Modulator:
      1. Reactance Modulator   (with carrier frequency adjustment)
      2. Varactor Modulator   (with carrier frequency adjustment)
  • Mixer / Amplifier: Allows FM input signal to be amplitude modulated by a noise input prior to demodulation, with gain adjustment.
  • Transmitter Output Frequency. : 455 KHz
  • Five Types of FM Demodulator:
      1.  Detuned Resonant Detector
      2. Quadrature Detector
      3. Foster - Seeley Detector
      4. Ratio - Detector
      5. Phase Locked Loop Detector
  • Low Pass Filter Amplifier: 3.4 KHz cut off frequency.   (with adjustable gain)
  • Effect of noise on the detection of FM signal may be investigated.

Power Supply:

  • Fixed DC Power Supplies +15V DC, 250mA
  • Operated on Mains power 230V, 50Hz +10%

Components are mounted on the panels are:

  • IC
  • Capacitors
  • Resistors
  • Diode

SALIENT FEATURES:

  • Front panel built with high class insulated Printed Circuit Board sheet with well printed circuits and      symbols.
    • Instruction manual.
    • Connections are brought out through 2mm Sockets.
    • Patch Cords 2mm.
    • The trainer is housed in ABS Plastic cabinet/Wooden Cabinet.
    • Size of the trainer set 12”x10”

OPTIONAL ACCESSORIES:

  • CRO

Category:
COMMUNICATION LAB
product Name:
AL-E520 FM TRANSMITTER AND RECEIVER TRAINER
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