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.