Optical Fiber Communication A (Bit Error Rate, Eye Pattern) Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-13235
Indian Lab Suppliers supplies the Optical Fiber Communication A (Bit Error Rate, Eye Pattern) (Product ID: 13235) as part of its electronics engineering lab equipment range. It is a simplex fibre optic link trainer covering analog and digital transmission, modulation, fibre losses, bit error rate and eye pattern.
Quick Answer
A 660 nm LED sends AM, FM or PWM signals down plastic fibre to a photodetector, and the on-board function, clock, data and noise generators provide test signals without extra instruments. Experiments include analog and digital links, propagation and bending loss, numerical aperture, LED V-I and detector characteristics, a voice link, EMI immunity, bit error rate counting and the eye pattern. Eight switched faults (four in the transmitter, four in the receiver) train fault-finding. From the stated core and cladding indices (1.492 and 1.406) the numerical aperture works out to about 0.50, a full acceptance cone of about 60°. An oscilloscope is needed to view waveforms and the eye pattern. It runs from 110–220 V AC mains; use an earthed socket.
Key Specifications
| Parameter | Detail |
|---|---|
| Transmitter / receiver | 660 nm fibre optic LED; fibre optic photodetector |
| Modulation | AM, FM, PWM; driver with analog and digital modes |
| Bandwidth | Analog 350 kHz; digital 2.5 MHz |
| Signal sources | 1 kHz sine and TTL square; 64 / 128 / 256 kHz clock; 15-bit data generator; variable noise |
| Clock and filter | 4.096 MHz crystal clock; 4th-order Butterworth filter, 3.4 kHz cut-off |
| Bit error counter | 4-digit seven-segment display |
| Fibre | Step-index multimode PMMA, 1000 µm core, 2.2 mm jacket, SMA; 0.5 m and 1 m; core/clad index 1.492/1.406, NA about 0.5 |
| Switched faults | 4 in transmitter, 4 in receiver |
| Included | NA jig, bending mandrel, fibre cables, microphone, headphone, patch cords |
| Power / size | 110–220 V ±10%, 50/60 Hz, about 3 VA; 326 × 252 × 52 mm, about 1 kg |
Where This Is Used
An optical power meter is optional; the Optical Fiber Communication (Product ID: 13236) has the same specification, and the Optical Fiber Communication Dual Channel A (Bit Error Rate, Eye Pattern) (Product ID: 13237) adds a second channel. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What light source is used?
A fibre optic LED with peak emission at 660 nm.
How is bit error rate measured?
With the on-board data generator, noise generator and 4-digit bit error counter.
What fibre is supplied?
Step-index multimode PMMA fibre in 0.5 m and 1 m lengths with SMA connectors.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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