ZE3381 Optical Fiber Communication Training System Vocational Trainer Workbench Educational Laboratory Bench Electrical Training Equipment Product Description:
Optical Fiber Communication Training System with Interactive Control Unit and Software.
The Optical fiber communication Trainer consist of following five modules with Function
Generator and DC Power Supply Module One:
Chapter 1: Optical Fibers Transmitter
Transmitted light wavelength: 600nm-680 nm and 780nm-840 nm
Data rate: 1 Mbps
Transmitter bandwidth: 1 MHz
Includes digital and analog transmitters, and also covers with E/O conversion circuit
Built-in microphone input terminal and audio amplifier
Built-in sine wave output signal, and also includes tunable amplitude and frequency output. Amplitude: 2 Vpp; Frequency: 100 Hz ~ 2.5 kHz.
Built-in digital data generator, used to produce TTL signal and CMOS level output
The wavelength of optical fibers
Transmission line: 500 nm ~ 1200 nm; ST and DIN connectors Module Two:
Chapter 2: Optical Fibers Receiver
Received light wavelength: 600nm-680 nm and 780nm-840 nm
Data rate: 1.5 Mbps
Receiver bandwidth: 1 MHz
Includes digital and analog receivers, and also covers withO/E conversion circuit
Provided with tunable amplifier, which can drive the 8 W loud speaker
The wavelength of optical fibers
Transmission line: 500 nm ~ 1200 nm; ST and DIN connectors Module Three:
Chapter 3: Optical Fibers Data Communication Controller Transmission interface: RS-232
Transmission Baud rate: 9600 bps
Type of display: LCD16X2 characters
Ability to display numerals and English characters
Input interface: 4X4 keypad
Serial characters can be inputted from keypad
Includes data transmission operation software
The operation software environment: Windows
Keypad switch provides with normal open type
Provides with LED indicator function Module Four:
Chapter 4: AM and ASK Modulator and Demodulator
AM Modulation and Demodulation
AM Modulation
Carrier Signal: 540 kHz ~ 1600 kHz.
Audio Frequency Signal: 1 kHz ~ 2 kHz.
AM Demodulation
Carrier Signal: 540 kHz ~ 1600 kHz.
Audio Frequency Signal: 1 kHz ~ 2 kHz.
Modulation Index: 50%.
ASK Modulation and Demodulation
ASK Modulation
Carrier Signal: 20 kHz ~100 kHz.
Data Signal: 100 bps ~ 1 kbps.
ASK Demodulation
Carrier Signal: 20 kHz ~ 100 kHz
Data Signal: 100 bps ~ 1 kbps
Chapter 5: FM and FSK Modulator and Demodulator
FM Modulation and Demodulation: FM Modulation
Carrier Signal: (18- 20) kHz.
Audio Frequency Signal: 1 kHz ~ 5 kHz.
FM Demodulation
Nature Frequency: 18KHz-20 kHz.
Audio Frequency Signal: 1 kHz ~ 3 kHz.
2FSK Modulation and Demodulation
FSK Modulation
Space Signal: (1370-1400) Hz.
Mark Signal: (870-900) Hz.
Data Signal: 100bps ~ 500 bps.
FSK Demodulation
Space Signal: (1370-1400) Hz.
Mark Signal: (870-900) Hz.
Data Signal: 100 bps ~ 500 bps. Module Five:
Chapter 6: CVSD Encoder and Decoder
Signal Source Encoder and Decoder (CVSD)
Sampling Frequency: 16 kHz ~ 50 kHz.
Audio Frequency Signal: 100 Hz ~ 2 kHz.
TTL input and output level signals.
Chapter 7: Manchester Encoder and Decoder
Channel Encoder and Decoder (Manchester)
Input TTL level signal.
CLK: 500 Hz~1 kHz.
Data Rate: 250 bps~500 bps
Function Generator & DC Power Supply Module:
Waveforms: Sine, Triangle, Square, TTL Pulse
Amplitude: >10 Vpp
Impedance: 50Ω ±5%
Duty Control: 20% ~ 60%
Display: 6-Digit LED Display
Frequency Range: 10Hz to 100 kHz (4 Ranges), 100Hz to 1 MHz (4 Ranges)Frequency Control: Separative Coarse and Fine Tuning
Constant Voltage Output: ±5V, ±12V
Variable Voltage Output: 0V ~ ±15V
Power source: 220-240V AC ±5%, 50Hz
