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CDMA-02 : CDMA Mobile communication Trainer
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FEATURES
VLSI based design
GOLD sequence, spread spectrum and de-spread spectrum
Acquisition and tracking, synchronization extraction, error
correction encoding
Direct spread spectrum and de-spread spectrum
Code division multiple access,
Acquisition and tracking of pseudo-random sequence,
bit synchronization
Frame synchronization extraction, carrier recovery, error correction
coding and encoding
Plexi-glass baffle for protection
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SPECIFICATIONS
AC, DC power supply
| Input | : AC 220V±10% |
| | Output | : DC ±12V±5%, ±5V±5%, -8V±5% |
| | CDMA Transmitter Receiver |
| | Signal code speed | : 1kbit/s, 2kbit/s |
| | Spread spectrum code speed | : 100kbit/s, 200kbit/s |
| | Spread spectrum gain | : 50, 100, 200 |
| | Spread spectrum mode | : direct spread spectrum |
| | Modulation mode | : PSK, DPSK |
| | Carrier frequency | : 10.7MHz |
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EXPERIMENTS
GOLD sequence characteristic
Acquisition and tracking of GOLD sequence
Spread spectrum and despread spectrum
Carrier extraction
PSK modulation and demodulation
Bit synchronization extraction
Frame synchronization extraction
Error correction encoding
CDMA mobile communication system
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