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XK-TX1 Digital transmission training kit, elecronic teaching kit for education
1. Product overview
1.1 Product main function
This training box adopts disassemly modular design, each module equips with independent power supply switch and with with perspex sheet convering on them. Its design is not only for measuring the input and output signal, but also for measuring and debugging the experiment intermediate variables. It independently integrates the bit synchronization, frame synchronization and carrier synchronization circuit on the one module and adopts the filter method and phase locked loop method to realize the bit synchronization circuit. ASK,FSK,PSK,DPSK,QPSK,OQPSK are set up by hardware circuit. It covers the signal source encoding technique, base band transmission technique, frequency band transmission technique, digital modulation and demodulation technique, phase locked technique, correction technique, complex technique, synchronization technique and interface technique in communication system. The time division multiplexing base band and frequency transmission system can simulate the signal processing in the actual channel.
The judgment level, noise capacity limit and best observing moment of the eye pattern can simulate the signal processing in actual chaneel, and can observe the eye opening and closing and the noise’s influence on the signal receiving. The time division multiplexing(asynchronous multiple connection)of the variable rate and the full duplex mix transmission of the 4-way voice+4-way computer data(with different rate), can realize the time division multiplexing mix transmission of the PCM encoding and the computer data, the time slot and the serial port communication rate of the time division multiplexing is adjustable. It equips with manuals and multimedia teaching courseware which can dynamically display the connection process and the corresponding experiment result.
1.2 Product main composition
(1)Digital signal source
To generate clock signal, NRZ signal, pseudo random signal. The code pattern and code rate can be manually adjusted and its speed can reach 32M
(2)Analog signal source
Base wave: to genrate sine wave, triangular wave, square wave, frequency 0-250K adjustable; carrier wave:64K,128K sine wave carrier wave.
(sine wave:180Hz-18KHz,1.8K step-by-step, square wave:250Hz-250KHz, triangular wave:180Hz-10KHz)
(3)The training box contains 15 training modules
Standard configuration(8 modules): signal source module; module 1: signal source encoding module 1; module 2: signal source encoding module 2; module 3: digital modulation module; module 4:digital demodulation module; module 6: base band transmission coding and decoding module; module 7: synchronous signal extraction module; module 8: time division multiplexing module.
Optional module(7 modules):
Module 5:QPSK modulation and demodulation module; module SDR: innovative practice platform module; module 9: phase locked loop module; module 10: hamming code coding and decoding module; module 11: eye pattern module; module B1: frequency modulation and frequency division multiplexing module; module T1: frequency and amplitude modulation module.
2.Training box technical index:
2.1 Size:560*390*130mm, weight:9.5kg
2.2 Power supply: single phase power supply, AC220V, frequency 50/60Hz, power≤30VA
2.3 With main power indication, power supply indication, grounding protection and overcurrent protection.
2.4 Working environment: temperature -10℃~+40℃
3.Signal source technical index
3.1 DC12V voltage source. Capacity 1A
3.2 DC -12V voltage source, capacity 1A
3.3 DC 5V voltage source, Capacity 1A
3.4 Clock signal, pseudorandom sequence signal, bit synchronization clock, frame synchronization clock, NRZ code and etc.
4.Training box accessories
4.1 Headset(with loudspeaker) 2pcs
4.2 Power cable 1pce
4.3 K2 experiment jumping wire 26pcs
4.4 Serial communication cable 2pcs
4.5 Manual 1pce
5.Experiment content
Experiment 1 CPLD programmable digital signal generator experiment
Experiment 2 Analog signal source experiment
Experiment 3 Sampling theorem and PAM modulation and demodulation experiment
Experiment 4 Delta modulation coding and decoding system experiment
Experiment 5 Pulse coding modulation(PCM) and demodulation experiment
Experiment 6 ADPCM coding and decoding experiment
Experiment 7 Analog phase locked loop experiment
Experiment 8 Digital frequency synthetic experiment
Experiment 9 Amplitude-shift keying(ASK) modulation and demodulation experiment
Experiment 10 Frequency-shift keying(FSK)modulation and demodulation experiment
Experiment 11 Phase-shift keying(PSK/DPSK) modulation and demodulation experiment
Experiment 12 QPSK/OQPSK modulation and demodulation experiment
Experiment 13 Vector modulation star map experiment
Experiment 14 Hamming code coding and decoding experiment
Experiment 15 code conversion experiment
Experiment 16 Eye pattern experiment
Experiment 17 Carrier wave synchronization extraction experiment
Experiment 18 Bit synchronization extraction experiment
Experiment 19 Frame synchronization extraction experiment
Experiment 20 Two-way PCM time division multiplexing experiment
Experiment 21 Two-way PCM demultiplexing experiment
Experiment 22 Computer data communication experiment
Experiment 23 Eye pattern observation experiment
Experiment 24 Digital signal best receiving experiment
Experiment 25 Channel simulation experiment
Experiment 26 Carrier transmission system experiment
Experiment 27 Digital base band transmission system experiment
Experiment 28 two-way sound+ two-way computer data synthetic transmission system experiment
Second development experiment
Experiment 1 Frequency divider experiment
Experiment 2 PN sequence generation experiment
Experiment 3 AMI coding experiment
Experiment 4 AMI decoding experiment
Experiment 5 HDB3 coding experiment
Experiment 6 HDB3 decoding experiment
Experiment 7 CMI coding experiment
Experiment 8 CMI decoding experiment.
Contact : Ms. Sally Zhao
Skype: xksally
Tel: +86-531-88771298
Shandong Xingke Intelligent Technology Co., Ltd.
ADD:4th Floor, No. 786 Xinluo Street, Gaoxin Zone,Jinan,Shandong,China.
Post code: 250101
Website: :810/
https://img13.fr-trading.com/
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