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: 

• Principles of advance digital modulation techniques. 

• Differential Encoding of Data.

• Binary Phase Shift Keying Modulation / Demodulation technique.

• Differential Phase Shift Keying Modulation / Demodulation technique.

• Differentially Encoded  Phase Shift Keying Modulation / Demodulation technique.

• Effect of Switch Faults.

• TECHNICAL SPECIFICATIONS: 

On Board: 

Carrier Sine Wave Generator

- Provides synchronized Sine waveform output of 500KHz(0 deg.), 500KHz(180 deg.)

? Clock And Data Generator

- 8 bit variable NRZ-L pattern generated depending on the position of the 8-dit Data Switch provided.

- Clock Frequency is of 250 KHz.

Data Format (Coding)

- Non Return to Zero-Level (NRZ-L)

- Differential Encoded NRZ-L.

Carrier Modulation Techniques

- BPSK modulation

- DPSK modulation

- DEPSK modulation

On-board features

- Square Looping Technique used in Demodulation section

- Switch Faults are provided on board to study different effects on circuit

- Block Description Screen printed on glassy epoxy PCB

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:

• Test points are provided to analyze signals at various points.

• Front panel built with high class insulated Printed Circuit Board sheet with well printed circuits and      symbols.

• Instruction manual.

• 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