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Keysight N4392A
Optical Modulation Analyzer
Compact, Portable, Affordable
Your personal test tool for
complex modulated optical signals
Data Sheet
02 | Keysight | N4392A Optical Modulation Analyzer - Data Sheet
Need a compact Optical Modulation Analyzer?
You will no longer have to share an optical modulation analyzer among colleagues or even departments
because of its high initial investment price.
You will no longer have to move your device under test to another location because it's too hard to move the
analyzer, just to perform a short measurement.
You will no longer have to ship your optical modulation analyzer to service once a year for optical performance
verification and recalibration. Now the instrument does all this for you for the key optical performance
parameters whenever you think it is necessary, increasing the time you can use your instrument.
The N4392A is the next generation of optical modulation analyzers in a compact housing of a mid-size
oscilloscope. With 15" screen size, even more analysis parameters can be visualized at the same time, leading
to faster debugging results.
Compact
Integration of a digitizer, optics and analysis PC leads
to a compact turn-key instrument. It also avoids any
external cabling, making the instrument robust and
easy to set up wherever needed.
Despite the smaller size, the new N4392A offers a big
laptop-size screen, giving you more insight in your
signal for understanding and debugging your signals
even faster.
Portable
The integration in a compact mid-size oscilloscope
housing results in a lightweight instrument, which
can be easily moved to any location in a lab or on the
manufacturing floor. Operators who need to analyze
and debug signals at the physical layer will enjoy this
feature as well.
Affordable
The N4392A is designed for best price-performance
balance, achieved by combining advanced integra-
tion technologies with built-in optical calibration and
performance verification tools. This leads to longer
intervals between recalibration, extending uptime in
research and manufacturing and resulting in reduced
cost of ownership without leaving any doubt about
the performance of the instrument.
03 | Keysight | N4392A Optical Modulation Analyzer - Data Sheet
N4392A Overview
1
2
7 6 5 4 3
Figure1.
1. Vector signal analysis 4. LO input
Like the N4391A, the N4392A is based on the Keysight In experiments where an extremely stable local
Technologies, Inc. 89601B vector signal analysis oscillator with linewidth in the low kHz range is
software which is extended for optical requirements. required, this input can be used as local oscillator (LO)
One software platform ensures exchangeability of input for external lasers. (Option 320)
settingilesandmeasurementresultsbetweenR&Dand 5. LO output
manufacturing. This also makes results comparable and Get part of the local oscillator signal to the output for
exchangeable. monitoring or setting up a homodyne experiment.
2. RFinputs (Option 320)
Characterize and evaluate your own IQ demodulator 6. AUX source output
withfourdifferentialRFdigitizerinputsasrequiredfor This output (Option 320) provides you with a CW laser
OIFcompliantintegratedcoherentreceivers. signal which can be used to drive your transmitter or
(Option 310) use it as an auxiliary output to calibrate an external
3. Signal input integrated IQ demodulator. (Option 320)
Feedinyoursignalundertestatthisinput,for 7. PowerON/OFF
modulation analysis that gives you the highest
conidenceinyourtestresults.
04 | Keysight | N4392A Optical Modulation Analyzer - Data Sheet
N4392A Transmitter and Modulator Test
Transmitter signal integrity
characterization Transmitter laser