MXYZ7001 (II) Communication Principle Basic Experimental Box

1、 System composition

The MXYZ7001 (II) Communication Principle Basic Experimental Box "is a typical communication link that can be formed by two telephone users through the following modules: telephone interface PAM、 The speech encoding and decoding (with three encoding methods), baseband transmission (multiple modes), analog transmission, digital modulation and demodulation, system synchronization, digital and analog phase-locked loops, telephone exchange, digital interface, expandable unit and other modules are the only communication principle experimental box in China that supports QPSK modulation and demodulation.

2、 System features

1. The machine comes with numerous signal sources, including nearly twenty types of signal sources and test sequences;

2. A synchronous signal source that facilitates PCM and PAM experimental coding testing;

3. There are numerous analog modulation methods available: AM modulation, carrier suppressed dual sideband modulation, FM modulation;

4. Support multiple digital modulation methods;

5. There are four main types of baseband forming modes: rectangular T=1, T=0.4, T=0.4, and optimal forming mode;

6. It is the only communication principle experimental box in China that supports QPSK modulation and demodulation;

7. Close integration of teaching and engineering: Each testing module can be independently tested and can form a complete engineering communication system;

8. Having expansion modules: can add any functional module required for teaching;

9. Strong compatibility: This experimental box is fully compatible with the high-end experimental equipment MXYZ7001, making it easy for laboratory batch construction and fund management;

3、 Typical experimental projects

1. Simulated phase-locked loop experiment;

2. Continuous phase FSK modulation transmission system experiment;

3. Coherent demodulation BPSK transmission system experiment;

4. PAM codec system;

5. PCM and ADPCM codec systems;

6. User Loop Interface Experiment;

7. Digital phase-locked loop experiment;

8. Baseband transmission system experiment;

9. Non coherent BPSK experiment;

10. BPSK performance testing experiment;

11. QPSK modulation experiment;

12. QPSK demodulation experiment;

13. AM experiment;

14. Double sideband experiment for suppressing carrier waves;

15. FM modulation experiment;

16. CMI coding experiment;

17. RS422 interface experiment;

18. Comprehensive experiment of communication system - system experiment;