High precision attenuation Small size Easy adjustment for flange adjustable type Good environmental stability
Fiber attenuator
n Attenuator
1. Characteristics
l High precision attenuation
l Small size – Flange-fixed type and flange adjustable type
l East adjustment for flange adjustable type
l Good environmental stability
2. Application
l Optic fiber communications system
l Optic fiber access networks
l Optic fiber CATV
l Optic fiber test apparatus
3. Technical data
Type | Flange-fixed | On-line | Flange adjustable |
Operating wavelength(nm) | 1310 or 1550 | 1310 or 1550 | 1310 or 1550 |
Decrement (dB) | 2 -20 | 1 -40 | 0.5 -30 |
Attenuation precision (dB) | 10% | 10% | 10% |
Return loss (dB) | ≥30 | ||
Spectrum loss (dB) | ≤0.5 | ||
Repeated plug and pull (500 cycles) | 0.90A’~1.10A’(A’ is the measurement of the attenuator ) | ||
Operating temperature(°C) | -25~+70 | ||
Applicant standard | YD/T 894 | ||
Fiber attenuator
