TELECOMMUNICATION TRAINER
FIBER OPTICS COMMUNICATION
TRAINING SYSTEM
This training kit enable the user to:
- Understand the fundamental and operation of fiber optics transceiver & receiver
- Implementation of data transmission using fiber optics
- Light & portable units, in modular form factor.
- Reliable & easy to use.
- Manuals includes the details of theoretical and practical at the same time, combined
with reference answers
DESCRIPTIONS :
PRODUCT ACCESSORIES
Module One: Transmitter Module
• Transmitted light wavelength: 660nm & 820nm
• Data rate: 1 Mbps
• Transmitter bandwidth: 1 MHz
• Includes digital & analog transmitter with E/O conversion circuits
• Built-in microphone input terminal and audio amplifier
• Built-in sine wave output signal with tunable amplitude and
frequency output (Amplitude: 2Vpp; Frequency: 100Hz ~ 2.5kHz)
• Built-in digital data generator to produce TTL signal & CMOS level output
• Fiber optic transmission line wavelength: 500nm ~ 1200nm; ST & DIN connectors
Module Two: Receiver Module
• Receiving light wavelength: 660 nm & 820nm
• Data rate: 1 Mbps
• Receiver bandwidth: 1 MHz
• Includes digital & analog receivers with E/O conversion circuits
• Provided with tunable amplifier, able to drive 8 ohms loud speaker
• Fiber optic transmission line wavelength: 500nm ~ 1200nm; ST & DIN connectors
Module Three: Computer Control Module
• Transmission interface: RS232
• Baud rate: 9600 bps
• LCD Display 16 x 2 characters
• 4 x 4 Keypad input interface
• Serial characters can be keyed in from keypad
• Data transmission operation software included (Windows based)
• LED indicator
• Note: Required a computer (optional item) for this function
Module Four: Analog & Digital Signal Modulation Module
1. AM Modulation & Demodulation
a. AM Modulation:
• Carrier Signal: 540kHz ~ 1600kHz, Audio Frequency Signal: 1kHz ~ 2kHz
b. AM Demodulation:
• Carrier Signal: 540kHz ~ 1600kHz, Audio Frequency Signal: 1kHz ~ 2kHz, Modulation
Index: 50%
2. FM Modulation & Demodulation
a. FM Modulation:
• Carrier Signal: 20kHz, Audio Frequency Signal: 1 kHz ~ 5 kHz
b. FM Demodulation:
• Nature Frequency: 20 kHz, Audio Frequency Signal: 1 kHz ~ 3 kHz
3. ASK Modulation & Demodulation
a. ASK Modulation:
• Carrier Signal: 20 kHz ~ 100 kHz, Data Signal: 100 bps ~ 1 kbps
b. ASK Demodulation:
• Carrier Signal: 20 kHz ~ 100 kHz, Data Signal: 100 bps ~ 1 kbps
4. FSK Modulation & Demodulation:
a. FSK Modulation:
• Space Signal: 1370 Hz, Mark Signal: 870 Hz, Data Signal: 100 bps ~ 500 bps
b. FSK Demodulation:
• Space Signal: 1370 Hz, Mark Signal: 870 Hz, Data Signal: 100 bps ~ 500 bps
Module Five: Digital Signal Processing Module
1. Signal Source Encoder & Decoder (CVSD)
• Sampling Frequency: 16 kHz ~ 50 kHz, Audio Frequency Signal: 100 Hz ~ 2 kHz, TTL
input & output level signals
2. Channel Encoder & Decoder (Manchester)
• TTL input level signal, Clock: 500 Hz ~ 1 kHz, Data Rate: 250 bps ~ 500 bps
Module Six: TV Signal Modulator and Demodulator - Optional
1. TV Signal Generator
• Built-in 4 MHz quartz crystal oscillator
• 8 selected types of TV signal
• Output signal: ladder wave signal
• Output frequency: 15.6 kHz
2. TV Signal Modulator
• Audio signal: FM demodulating signal
• FM carrier signal: 5.5 MHz
• Horizontal signal is demodulated by using the band-reject filter
• Built-in low-pass filter to remove the noise of the audio signal
3. TV Signal Modulator
• Audio signal: FM modulating signal
• FM carrier signal: 5.5 MHz
• Built-in audio signal generator:
- Output frequency: 100 Hz ~ 1 kHz
- Output amplitude: 600 mV ~ 1.2 V
4. TV Signal: FM signal plus TV system horizontal signal
FUNCTION GENERATOR & POWER SUPPLY UNIT(OPTIONAL)
SPECIFICATION:
A. Power Supply:
- Variable Voltage Output: 0 ~ ± 12VDC/0.5A
- Fixed Voltage Output: ± 5VDC(0.3A); ± 12VDC(0.3A)
- Triple Bipolar Voltage Outputs
- Constant Voltage Operations
- Low Ripple & Noise
B. Function Generator:
- Two signal output ports
- Waveforms: Sine, Triangle, Square, TTL Pulse
- Amplitude: >10Vpp
- Impedance: 50Ω ± 10%
- Duty Control: 30% - 60%
- Frequency Range: 10Hz ~ 100kHz (4 Ranges) 100Hz ~ 1MHz (4 Ranges)
- Accuracy: ± Time Base Count ± Count
- Time Base: 60Hz Oscillation Frequency
- Resolution: 0.1Hz, 1Hz, 10Hz, 100Hz, 1kHz
- Frequency Control: Separate Coarse & Fine Tuning
- Large 0.5” LED Display
- Overload Protection
- Built-in 6 Digits Frequency Counter
- Connection using 4mm sockets
- Power Requirements: 240VAC/50Hz
MODULE SPECIFICATION
• Manual includes theory, operation and lab experiments
(with model answers)
• Connecting lead cables(1 set)
• Mounting frame rack (1 set) - Optional
MODEL: OFC-9000