QAM Trainer

SALIENT FEATURES

• On – Board 24 data bit generator
• On – Board 4 phase generator (sine0, cosine0, -sine & -cosine i.e., 0°, 90°,180° 270°)
• On – Board Tribit Encoder - Decoder
• On – Board data switches for I, C & Q
• On – Board word clock generator
• On – Board Input / Output Buffer
• On – Board Test Points & Fault Switches

TECHNICAL SPECIFICATIONS

•  Data Speed: Fixed greater than 4.5 KHz
•  Data Format: Synchronous with carrier
•  Data Sequence : 24 bit User Selectable data with the help of 3×8 Dip Switches.
•  Data Coding: Tri-bit data coding for generating C, Q and I signals from 24 bit user data.
•  Sine & Cosine Carrier Generator: 4.5KHz(approx.).
•  Fault Switches : 4 nos. through 4 way DIP switch for troubleshooting at different blocks.
•  Test Points : More than 35.
• Interconnections : 2/4 mm socket.
•  Cabinet : Enclosed in ABS plastic cabinet with detachable cover.
•  Power : 220V AC ±10%, 50/60Hz mains operated.
•  Accessories : Set of Patch Cords, User’s manual.

LIST OF EXPERIMENTS

•  To study and measure the Data Encoding
•  To describe the bit splitting into Di-bit and Tri-bit
•  To study and analysis of BPSK modulation
•  To study and analysis of QPSK modulation
•  To study and analysis of QAM modulation
•  To study and analysis of QAM demodulation