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Electronic Measurement

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How do I interpret the binary data which is retrieved over the GPIB from the Stability/Logging application?
The data has the following format ...

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

What kind of power sensor is used in the 81566A/67A?
The 81566A/67A uses an InGaAs photodiode, similar to Keysight's 81632A power sensor module.

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

What is the calibration cycle for the 8161x Optical Return Loss Module?
The 8161X Optical Return Loss Modules have a 24 month calibration cycle.

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

When I calibrate power/ return loss / source modules, do I send the mainframe as well?
No, it is not required to send in a mainframe to calibrate individual modules.

FAQ 2011-07-05

What accessories should I order with my 8169A?
The 8169A two requires fiber connector adapters depending upon what option is ordered:

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

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

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

FAQ 2011-07-05

Can I use both PC and APC connectors with the optical heads?
Yes, you can use both straight (PC) and angled (APC) fiber with the Keysight Technologies optical heads.

FAQ 2011-07-05

What happens if the power unit is changed from dBm to Watt or vice versa?
All dependent parameters are automatically converted accordingly so all features remain fully functional.

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

How can I link the 8164A with the 8166A?
The mainframes can be linked together with a GPIB cable, where a remote PC takes the control ...

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

Can I use the 815xx Modules with the newer 816x mainframes? What are the trade-offs?
The 815xx modules will operate in the 8163 and 8164 mainframe, but NOT in the 8166 mainframe.

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

I just received my new 816x module and the mainframe does not recognize the module. What should I do?
The mainframe firmware must be at least the same revision number as the module.

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

Why can't I acquire the license key?
To rely on the CPU- ID remove the network-card before installing the PFL.

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 calibration cycle for the 8169A polarization controller?
The recommended calibration cycle for the 8169A is 12 months.

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

What is the calibration cycle for the 816x mainframes?
The 816x mainframes do not require calibration.

FAQ 2011-07-05

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