2 channel CDMA - DSSS training system Manufacturer,Supplier and Exporter in India
Product Code : SCL-CE-12557
Indian Lab Suppliers supplies the 2 Channel CDMA - DSSS Training System (Product ID: 12557), part of the Communication Equipment range under Laboratory equipment, a multi-user CDMA Direct Sequence Spread Spectrum platform that lets students study how different pseudo-random code sequences allow two channels to share the same radio channel simultaneously.
Quick Answer
This training system lets students study Code Division Multiple Access using a 2-channel CDMA-DSSS setup with audio, external and internal data sources, delta modulation and demodulation, selectable PN codes and crystal frequencies, and both hardware and real-time software modes, to understand how multiple users can share one radio channel via distinct code sequences rather than by time or frequency division.
Key Features
2-channel CDMA-DSSS system · audio, external and internal data sources · delta modulator and demodulator study · user-selectable 8-bit or 16-bit data · user-selectable choice of 4 PN-code types · user-selectable crystal frequency, 8 MHz or 50 MHz · digitally synthesized sine and cosine wave, up to 480 kHz · external trigger output · user-selectable bit clock, symbol clock and chip clock · more than 70 test points · ability to study the effect of sampling rate · user-selectable hardware or real-time software mode · simulation software for complete concept study · operational manual with theory, procedure and reference results · illustrative chart describing the 2-channel CDMA-DSSS system and results.
Key Specifications
| Parameter | Detail |
|---|---|
| Channels | 2, CDMA-DSSS |
| Data sources | Audio, external, internal |
| Data width | User selectable, 8-bit or 16-bit |
| PN codes | User selectable, 4 types |
| Crystal frequency | User selectable, 8 MHz or 50 MHz |
| Sine/cosine synthesis | Digitally synthesized, up to 480 kHz |
| Clocks | User selectable bit clock, symbol clock, chip clock |
| Test points | 70+ |
| Operating modes | Hardware or real-time software, user selectable |
Experiments
Studying how CDMA divides a radio channel by pseudo-random code sequence rather than by time or frequency; studying delta modulation and demodulation on each channel; comparing 8-bit and 16-bit data configurations; comparing the four available PN-code types; studying the effect of sampling rate; and comparing hardware-mode and real-time-software-mode operation.
Where This Is Used
This 2 Channel CDMA - DSSS Training System is used in electronics and communication engineering education for teaching multi-user CDMA concepts; for single-channel CDMA-DSSS modulator/demodulator study, see our CDMA - DSSS Trainer. This complements our broader Electronics Lab Equipment and Engineering Lab Equipment ranges.
Frequently Asked Questions
What makes this different from a single-channel CDMA-DSSS trainer?
This system demonstrates two channels sharing the same radio channel simultaneously using distinct PN-code sequences, illustrating the multiple-access aspect of CDMA rather than just single-channel modulation and demodulation.
Can this system run without the physical hardware?
Yes, it supports a real-time software mode in addition to hardware mode, both user selectable, along with simulation software for complete concept study.
Related Categories
Laboratory · Electronics Lab Equipment · Engineering Lab Equipment
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