N1090A Datasheet, PDF (13/20 Pages) Keysight Technologies – N1090A, N1092A/B/C/D/E and N1094A/B DCA-M Optical and Electrical Sampling Oscilloscopes

13 | Keysight | N1090A, N1092A/B/C/D/E and N1094A/B DCA-M Optical and Electrical Sampling Oscilloscopes - Data Sheet
N1092 Optical Channel Specifications
Item
Nominal wavelength range
Factory-calibrated wavelengths (OE conversion
gains)
Reference receiver filter options:
The standard N1092 includes filters to test the
following data rates
N1092-168
N1092-206
Description
830 to 1600 nm
850/1310/1550 nm (± 20 nm)
25.78 Gb/s (25/50/100 Gb Ethernet)
26.56 Gb/s (400 Gb Ethernet)
27.95 Gb/s (OTU4)
28.05 Gb/s (32x fibre channel)
100GBASE-SR4 TDEC (12.4 GHz)
20.6 Gb/s
Maximum optical channel –3 dBo bandwidth is 28 GHz, achieved using the 32xFC filter setting.
Measured frequency response data during recertification falls within performance test line
limits with allowance for system-to-system measurement uncertainty.
Sensitivity ¹ at 850 nm
(Characteristic — smallest
average power for mask test)
Sensitivity ¹ at 1310/1550 nm
(Characteristic — smallest
average power for mask test)
20.6 Gb/s filter
–11.5 dBm
–13 dBm
25.78/26.56 Gb/s
–11 dBm
27.95/28.05 Gb/s
–10 dBm
–12.5 dBm
–12 dBm
1.  Generally represents the power level where an ideal eye diagram will approach 0% mask margin due to
noise of the oscilloscope. Provides a non-specified figure of merit to compare sensitivities of various optical
channels. These values are calculated from the characteristic noise values.
RMS noise at 850 nm
Characteristic
Maximum
RMS noise at 1310 nm
Characteristic
Maximum
RMS noise at 1550 nm
Characteristic
Maximum
TDEC filter
5 µW
7 µW
3 µW
5 µW
3.5 µW
5.5 µW
20.6 Gb/s filter 25.78/26.56 Gb/s 27.95/28.05 Gb/s
7 µW
8 µW
9 µW
10 µW
9.5 µW
11 µW
5 µW
5.5 µW
6 µW
7 µW
7 µW
8 µW
5 µW
7.5 µW
5.5 µW
7.5 µW
6 µW
8.5 µW