QPSK DQPSK Modulation Trainer

QPSK DQPSK Modulation Trainer
Advance Digital Communication Trainer System that helps one under stand various Digital Modulation and Demodulation Techniques. Various functional block diagrams are provided on-board as an aid for Teaching/Training. These Kits are provided with various Test Points to visualize the signals on Oscilloscopes.

FEATURES:

• Onboard synchronized 500 KHz Sine-wave generator.
• Dibit Pair, Differential Encoding type Data Format.
• On-board crystal controlled Pulse Generator.
• On board 8 bit Data Simulator.
• Block Description screen printed on PCB.
• In-Built Power Supply.

LIST OF EXPERIMENTS:

• Principles of advance digital modulation and Demodulation techniques.
• Dibit pair data coding technique of NRZ-L data format.
• Differential Encoding of I & Q Bits.
• Observation of constellation diagram.
• Quadrature Phase Shift Keying Modulation and Demodulation technique.
• Differential Quadrature Phase Shift Keying Modulation and Demodulation technique.
• Effect of Switch Faults.

SPECIFICATIONS:

• Sine Wave Generator                                                                                            - Provides synchronized Sine waveform output of 500KHz (0 deg.), 500KHz(90 d e g.) , 5 0 0 K H z (1 8 0 d e g.),500KHz(270deg.)                                                                - Amplitude of 0 - 4Vp-p                                                                                        - Provision for Amplitude adjustments provided.
• Interconnections - All interconnections are made using 2mm banana Patch cords
• Test points are provided to analyze signals at various points.
• All ICS are mounted on IC Sockets.
• Bare board Tested Glass Epoxy SMOBC PCB is used.
• In-Built Power Supply of +5V/1.5A, ±12V/250mA with Power ON indication
• Attractive enclosure
• Set of 2mm Patch cords for interconnections
• User's Manual with sample experiments programs.

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