80
Keysight N4391A/N4392A Optical Modulation Analyzer, Getting Started
5
Technical Specifications
N4392A Specifications
The following specifications are typical, if not stated otherwise.
Optical modulation analyzer (Option 300)
Specification
Typical Value
Maximum detectable baud rate
46 Gbaud
Maximum detectable bit rate for DP-QPSK
184 Gbit/s
Maximum detectable bit rate for DP-16 QAM
368 Gbit/s
Sample rate
63 Gs/s
Maximum record length per channel
16000 samples
ADC resolution
8 bit
Optical receiver frequency range
31 GHz
Optical receiver signal bandwidth
> 22 GHz
> 23 GHz
Optical wavelength range (Option 100)
1527.6 to 1565.5 nm (196.25 to 191.50 THz)
Optical wavelength range (Option 110)
1570.01 to 1608.76 nm (190.95 to 186.35 THz)
Absolute wavelength accuracy (with internal local
oscillator)
± 3 pm
± 2 pm
Average input power monitor accuracy
±
0.5 dB
Optical phase angle of I-Q mixer after correction (1527.6 to
1565.5 nm)
90
º
±
1.0
º
Relative skew after correction (1527.6 to 1565.5 nm)
*
±
1 ps
Image suppression
†
> 30 dB
Error vector magnitude noise floor
< 2.4% EVM rms
Sensitivity
−
22 dBm
High resolution spectrum analyzer (Option 300)
Maximum optical frequency span
> 49 GHz
Minimum RBW (record length 16 k points
4 MHz
Absolute frequency accuracy
± 3 pm
±
2 pm
Differential RF digitizer inputs (Option 310)
RF digitizer inputs
4 channels, differential inputs
Sample rate
63 GS/s
Maximum record length per channel
16000 samples
Summary of Contents for N4391A
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