PCT-E541 QAM – DQAM MODULATION TRAINER
SCOPE OF LEARNING:
To study the elements of 8-QAM / DQAM system.
Tribit coding technique of NRZ-L data format.
Differential Encoding of Data.
• 8-QAM Modulation technique.
DQAM Modulation technique.
To study of constellation Diagram of QAM
To study bandwidth efficiency in QAM Techniques Effect of Switch faults.
TECHNICAL SPECIFICATIONS:
On Board:
• On-board Sine-wave generator
• Clock And Data Generator Clock Frequency
• Data Format (Coding)
• On-board Four Carrier Sine waves of 500Khz
• On board three nos. of 8-bit NRZ-L. Data Simulator. Clock frequency of 250 Hz.
• Data Format (Coding) is NRZ-L, Tribit
• encoded and Differential EncodedI&Q bits
Power Supply:
• Fixed DC Power Supplies +12V,+5V 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 4mm Sockets.
• Patch Cords 4mm.
• The trainer is housed in ABS Plastic cabinet.
• Size of the trainer set 12”x10”