A технические характеристики, Aтехнические характеристики, Ажно – Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)
Страница 385: Optical measurement, Power measurement, Spectral measurement
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OPTICAL MEASUREMENT
FTB-5240S and FTB-5240S-P
FTB-5240BP
HPW Option
Optical rejection ratio at 1550 nm (dB)
at 0.2 nm (25 GHz)
at 0.4 nm (50 GHz)
35 (40 typical)
45 (50 typical)
45 (50 typical)
50 (55 typical)
35 (40 typical)
45 (50 typical)
Channel spacing
25 to 200 GHz CWDM
12.5 to 200 GHz CWDM
25 to 200 GHz CWDM
PDL at 1550 nm (dB)
±0.08
d
±0.06
d
ORL (dB)
*40
*40
Measurement time (s)
d, j
(includes scanning, analysis and display)
<1 (with the FTB-500 Platform)
<1 (with the FTB-500 Platform)
POWER MEASUREMENT
FTB-5240S and FTB-5240S-P
FTB-5240BP
HPW Option
Dynamic range (dBm) (per channel)
b
–80
h
to +18
–80
h
to +18
–70
h
to +23
Maximum total safe power (dBm)
+23
+23
+29
Absolute power uncertainty (dB)
i
±0.5
±0.5
±0.5
Power repeatability 2
m (dB)
d, g
±0.05
±0.04
±0.05
SPECTRAL MEASUREMENT
FTB-5240S and FTB-5240S-P
FTB-5240BP
Wavelength range (nm)
1250 to 1650
1250 to 1650
Wavelength uncertainty (nm)
b
±0.05
±0.01
c, d
±0.03
±0.01
c, d
Reference
Internal
e
Internal
Resolution bandwidth (FWHM) (nm)
f
0.065
b, d
0.033
b, d
Wavelength linearity (nm)
±0.01
b, d
±0.01
b, d
Wavelength repeatability 2
m (nm)
±0.003
g
±0.002
g