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The Keysight N4375D Lightwave Component Analyzer (LCA) tests 10G Ethernet, FCx8, FCx10 and FCx16 electro-optical components, with up to 26.5 GHz modulation range as well as electro-optical components for 40/100GbE and 100 Gb/s coherent transmission. It is based on the new 2- and 4-port N5222A PNA Series microwave network analyzer with an identical and well known user interface across all Keysight network analyzers. Versions with configurable test set and bias-T integrated in the network analyzer are available. The High RF output power ensures a higher optical modulation index (OMI). This gives you the freedom to change between small signal analysis and large signal analysis of your device under test. True mode balanced measurements are possible with 4-port, dual source network analyzers.
Specifications.
Optical test set.
Operation frequency range: 10 MHz to 26.5 GHz.
LCA optical input.
Operating input wavelength range: 1250 nm to 1640 nm.
Maximum linear average input power: +4 dBm (Input 1), +14 dBm (Input 2).
Maximum safe average input power: +7 dBm (Input 1), +17 dBm (Input 2).
Optical return loss (typical): > 27 dBo.
Average power measurement range: -25 dBm to +4 dBm (optical input 1), -15 dBm to +14 dBm (optical input 2).
Average power measurement uncertainty (typical): ±0.5 dBo.
LCA optical output.
Optical modulation index (OMI) at 10 GHz (typical): > 27% @ +5dBm RF, > 47% @ +10 dBm RF power.
Output wavelength: 1310 ± 20 nm (Opt -100, -102), 1550 ± 20 nm (Opt -101, -102).
Average output power range: -2 dBm to +4 dBm.
Average output power uncertainty (typical): ± 0.5 dBo.
Average output power stability, 15 minutes (typical): ± 0.5 dBo.
External optical source input (-050).
Recommended optical input power: +8 to + 15 dBm.
Optical input power damage level: +20 dBm.
Typical loss at quadrature bias point: 9 dB.
Operating input wavelength range: 1290 nm to 1610 nm.
LCA RF test port input.
Maximum safe input level at port A or B: +15 dBm RF, 7V DC.
Options.
-100; 1310 nm source optical test set.
-101; 1550 nm source optical test set.
-102; 1310 nm and 1550 nm source optical test set.
-220; 26.5 GHz, 2 ports, single source PNA (N5222A-200) and RF cables.
-221; 26.5 GHz, 2 ports, single source PNA (N5222A-201) with configurable test set and RF cables.
-222; 26.5 GHz, 2 ports, single source PNA (N5222A-219) with configurable test set, extended power range,
bias-tees and RF cables.
-420; 26.5 GHz, 4 ports, dual source PNA (N5222A-400) and RF cables.
-421; 26.5 GHz, 4 ports, dual source PNA (N5222A-401) with configurable test set and RF cables.
-422; 26.5 GHz, 4 ports, dual source PNA (N5222A-419) with configurable test set, extended power range,
bias-tees and RF cables.
-229; Integration of customer's 26.5 GHz, 2 port PNA (N5222A or N5242A) with any configuration and RF cables .
-249; Integration of customer's 26.5 GHz, 4 port PNA (N5222A or N5242A) with any configuration and RF cables .
-S10; Time domain.
-050; External optical source input.
-021; Straight FC/PC SM.
-022; Angled FC/APC SM.
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