QAM-DQAM Modulation Trainer



Product Code: 3510323


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.
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: 
•    Carrier Sine Wave Generator
•    Four carrier sine waves Generated onboard
•    Provides synchronized Sine waveform output of 500KHz (0O), 500KHz (90O), 500KHz (180O), 500KHz (270O)
•    Clock And Data Generator
•    24 bit variable NRZ-L pattern generated depending on the position of the three nos. of 8-dit Data Switch provided.
•    Clock Frequency is of 250 KHz..
•    Data Format (Coding)
•    Non Return to Zero-Level (NRZ-L)
•    Tribit encoded data (I ,Q & C)
•    Differential Encoded I & Q Bits.
•    Carrier Modulation Techniques
•    Quadrature Amplitude Modulation
•    Differentially Quadrature Amplitude Modulation
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
On-board features
•    On board Three Nos. of 8 bit variable NRZ-L pattern Data Simulator
•    Switch Faults are provided on board to study different effects on circuit
•    Block Description Screen printed on glassy epoxy PCB
SALIENT FEATURES:
•    Front panel built with high class insulated Printed Circuit Board sheet with well printed circuits and symbols.
•    Test points are provided to analyze signals at various points.
•    All ICS are mounted on IC Sockets.
•    Instruction manual.
•    Bare board Tested Glass Epoxy SMOBC PCB is used.
•    Connections are brought out through 2mm Sockets.
•    Patch Cords 4mm.
•    The trainer is housed in ABS Plastic cabinet.
•    Size of the trainer set 12”x10” 
OPTIONAL ACCESSORIES:
•    CRO


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