1. Main technical parameters

Signal source output waveform:

sine wave: frequency range:0-2MHz

amplitude range:0-5v

triangle wave: frequency range:0-100khz, amplitude range:0-5v

square wave: frequency range:0-100khz

Amplitude range:0-5V

Music signal: real person singing

Sampled signal: 1KHz+3KHz sine wave

DSB signal: carrier frequency: 20KHz～30KHz

SSB signal: carrier frequency: 20KHz～30KHz

FM signal: carrier frequency: 20KHz

PN sequence: code length 15bit, code speed range: 1kbp/s～2048kbp/s

Clock signal speed range: 1KHz～2048KHz

Signal source encoding and decoding type: PCM, ADPCM, simple delta modulation, CVSD

Base band coding type: AMI, HDB3, CMI, BPH.

2. Experiment project

Optical components experiment

Optical fiber consumption characteristics measuring

Optical fiber connector

Laser and optical detector

Optical receiver and transmitter experiment

Optical transmitter composition

Darkness alarming and lifetime alarming circuit

Optical source P-I characteristics testing

Optical receiver extinction ratio measuring

Optical receiver average optical power testing

Optical receiver composition.

Receiver sensitivity testing

Optical receiver dynamic range and eye pattern observation

Optical relay distance estimation experiment

Analog signal optical transmission system experiment

Analog signal optical fiber transmission system

Telephone voice optical fiber transmission system

Images optical fiber transmission system

Digital signal optical fiber transmission system experiment

PN sequence optical fiber transmission system

CMI encoding and decoding principle and CMI code optical fiber transmission system

Interference code and interference code removing principle and optical fiber transmission system.

Optical fiber comprehensive transmission system experiment

WDM optical fiber transmission system

HDB3 encoding and decoding principle and implementation

Bit clock extraction(digital PLL)experiment

Comprehensive experiment 1: 4 ways data+ 2 ways telephone optical fiber comprehensive transmission system experiment

Comprehensive experiment 2:4 ways data+1 set computer +1 way image/voice full-duplex optical comprehensive transmission system experiment

Comprehensive experiment 3: 3 set experiment training kits+2set computers+ 2 ways images/voice full-duplex optical fiber comprehensive transmission system.

Secondary development experiment

PN sequence program design

CMI encoding and decoding program design

5B6B code program design

4B1P and 4B1C program design

HDB3 encoding and decoding program design

Interference code and interference code removing program design

DPLL program design

Fixed speed TDMA program design

This training system is in the point of view of the whole communication domain system, and adopts modular design which display the communication relative knowledge through “communication building blocks” form, besides can support the students researching the building blocks, it is also convenient for the second development of the hardware circuit and easy for upgrading and expanding the experiment system.

Each module shall use the upper and lower two layers protective cover to protect completely, the upper cover is a transparent shell which is easy for the students to observe and do experiment, for the convenience of the experiment teaching and module repair, shall adopt the bayonets (no need the screws)to connect the module upper and lower two layer protective shell which are easy disassembled.

Equipped with specialized synchronous module, can display bit synchronous, frame synchronous, carrier synchronous function, and the bit synchronous contains the filter mehtod and full digital PLL two implementation methods.