QAM Trainer (VPL-CT-QAM)
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
OPTIONAL ACCESSORIES
♦ Multimedia interactive computer based training manual