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Electronic Measurement

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I need to operate four compact modules. Can I use the 8164 mainframe without a large slot tunable laser?
Yes, the 8164 mainframe can operate without a large slot tunable laser (81640A/642A/680A/682A/81480A).

FAQ 2011-07-05

Why can't I install the license key from my PFL CD-ROM?
If you have PFL version 1.0.3 the installation process is described on the CD-ROM (PFL README.pdf).

FAQ 2011-07-05

How is the 8169A different from the 11896A polarization controller?
The 8169A Provides polarization synthesis relative to a built-in linear polarizer.

FAQ 2011-07-05

Does Keysight Technologies offer analog outputs for the optical heads?
Keysight Technologies offers several different optical heads:

FAQ 2011-07-05

How much hysteresis does the power control loop of the 81566A/67A show?
There are two threshold levels (if power control is active).

FAQ 2011-07-05

What is the difference between the 8162xA and the 8162xB optical heads?
The main difference is the 8162xB models (except the 81625B) offer an analog output, the 8162xA's do not.

FAQ 2011-07-05

How small is CD and PMD of the 8156xA?
The value of CD and PMD of the 8156xA is equivalent to the value of about 1 m optical fiber SMF28.

FAQ 2011-07-05

What is the difference between the FETCH and the READ command to get the data from the power modules?
The FETCH and READ command will both acquire a power reading from the mainframe.

FAQ 2011-07-05

How large is the optical head detector area?
All optical heads from Keysight Technologies use large area detectors.

FAQ 2011-07-05

Is there an electrical extender cable available for the 8162xA/B optical heads?
The model number of this cable, with a length of 4 meters, is 81624CE.

FAQ 2011-07-05

Does the parameters 'averaging time' and 'speed' influence the power control loop of the 81566A/67A?
The user selected averaging time is effective for all internal power measurements...

FAQ 2011-07-05

Is the 8156xA suitable for Cable TV applications?
The angled connector versions 81561A and 81567A avoid irritating interference effects.

FAQ 2011-07-05

I need to measure Polarization Dependant Loss (PDL), which optical head should I use?
The uncertainty due to polarization is less for InGaAs based optical heads than for Ge based optical heads.

FAQ 2011-07-05

Why should I use an optical head for optical power measurements?
Use heads for bare fiber, open beam, highly accurate absolute power or high power measurements.

FAQ 2011-07-05

Can I use the 816xx series modules in any of the 816x mainframes?
The compact modules will operate in any of the 816X mainframes. However, the large slot tunable ...

FAQ 2011-07-05

What is the calibration cycle for the interface modules?
The 81618A/81619A interface modules do not require calibration.

FAQ 2011-07-05

What is the rack mount kit for the 8169A polarization controller?
Below is a list of rack mount part numbers for the 8169A. Note that the 8169A is a full width mainframe.

FAQ 2011-07-05

What accessories should I order with the 8162x optical heads?
The heads will not be able to operate as standalone instruments. The following accessories are needed ...

FAQ 2011-07-05

I need to perform return loss measurements on multimode cable. Will 8161x RTL modules allow me to do so?
Specifications are not valid if using a multimode cable.

FAQ 2011-07-05

Will the optical heads operate with both SM and MM fiber?
Yes, you can operate the Keysight Technologies optical heads with both single mode and multimode fiber.

FAQ 2011-07-05

What is the noise floor of the power sensor in the 81566A/67A?
The noise floor of the power sensor in the 81566A/67A is 20 pW.

FAQ 2011-07-05

What is the difference between the (for pay) photonic library and the (free) PNP drivers?
See long answer.

FAQ 2011-07-05

Is there a replacement product for the E5574A Optical Loss Analyzer?
Please contact your Keysight representative to discuss a configuration for your particular application.

FAQ 2011-07-05

Why would I want to use the analog output on the front of the optical head?
The analog output provides a voltage (0-2V) proportional to the optical power in a given range ...

FAQ 2011-07-05

Is the power control loop of the 81566A/67A also working for signal packets?
Yes, the averaging time of the 81566A/67A has to be adjusted to a time significantly longer than ...

FAQ 2011-07-05

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