DSB/SSB AMPLITUDE MODULATION (AM) TRANSMITTER KIT

  • Audio Oscillator (Sine Wave Generator) with variable freq. & amp. :
  • Frequency range : 300 Hz to 3.4KHz (100 Hz to 10KHz OPTIONAL)

SILENT FEATURES

  • On board variable frequency audio oscillator, carrier frequency generator, DSB& SSB modulator, Band pass filter, Audio & RF amplifiers
  • Onboard Test Points & Fault Switches
  • On board audio jacks provided for Microphone and Earphone connection
  • Onboard speaker provided for Audio
  • Onboard Transmitting antenna

TECHNICAL SPECIFICATIONS

  • Receiver Principle : Superheterodyne
  • Frequency range: 525KHz to 1625 KHz
  • Optional Frequency : 400KHz to 1.5 M
  • Intermediate Frequency : 455 KHz
  • Inputs: RF Signal
  • Output : IF frequency 455 KHz adjustable
  • RF Amplifier with variable gain
    Mixer(Frequency converter) : I/P : Local Oscillator & RF O/P frequency: 455 KHz adjust.
  • Local Oscillator : Output signal : Sine wave for local Osc. Input. Frequency: From 900KHz to
  • 2.2 MHz gang tuned, Amplitude: Adjustable from 0 – 2 V p-p, Output Impedance: 50 Ohms
  • Ist IF & IInd IF Amplifier: Central frequency: 455 KHz, Load Impedance: Variable R-L-C
  • Gain : Automatic Gain Control, Gain 1-43 dB & Gain 2–47dB
  • Diode Envelope Detector: Detection of the positive and negative envelope with variable R-C filter DSB
  • Product Detector :Operating frequency: Adjustable from 400KHz to 500KHz
  • SSB Input Amplitude : 1 Volt p-p
  • Audio Output :Amplifier with Headphone, Audio Amplifier Gain: 20 dB
  • Fault Switches : 8 nos. through 8 way DIP switch for troubleshooting at different blocks
  • Test Points : More than 30
  • Receiving Media :MV Coil antenna & via cable
  • Cabinet : Enclosed in ABS plastic cabinet with detachable cover
  • Power : 220V AC ±10%, 50/60Hz
  • Accessories : Patch Cords, User’s manual

LIST OF EXPERIMENTS

  • Study of carrier frequency generation
  • Study of Balance Modulator and Band Pass Filter for DSB AM Generation
  • Study of Balanced Modulator and Ceramic Band Pass Filter for SSB AM Generation
  • Study of tuned amplifier for AM transmission

OPTIONAL ACCESSORIES

  • Multimedia interactive computer based training manual