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Electronic Measurement

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What is the raw jitter tolerance for the N4960A/N4952A?
There is no CDR in the N4960A, so by itself, the JTOL plot will be a flat line somewhere below 1 UI. An external CDR can be used. Click on the question for additional information.

FAQ 2017-06-28

When using the DIQ application, what happens when I set the internal receiver to measure beyond the frequency range of my instrument?
Data for frequencies beyond the instrument hardware limitations is extrapolated from the hardware’s maximum and minimum limits. Click on the question for additional information.

FAQ 2017-06-28

If we use external clocks for both the Pattern Generator and Error Detector parts, can we run them at different data rates?
It would be more straight-forward to provide the PG (TX) with a 10 GHz clock (for 10 Gb/s data) and then use the 1:4 demux and provide the ED (RX) with a 2.5 GHz clock (measuring 2.5 Gb/s data). Click on the question for additional information.

FAQ 2017-06-28

What is the difference between the Integrated true-mode stimulus application (opt 460) and the Differential and I/Q devices application (opt 089)?
The Integrated TMSA and the DIQ both simplify measurements of differential (balanced) devices. The two applications however, are used for different measurements. Click on the question for additional information.

FAQ 2017-06-28

N9080B SEM measurement defaults seem to be different from 3GPP 36.141 V12.12.0 (2016-06). Is N9080B doing something it shouldn’t?
To make a “True RMS detection”, as requested by the 3GPP conformance testing, based on ITU-R SM.329, for a mix of noise-like & CW-like signals under test, use “Peak Detector with very narrow VBW”. Click on the question for additional information.

FAQ 2017-06-28

How do I measure a pulsed RF signal output with a sampling oscilloscope?
There are two possible ways. Click on the question for additional information.

FAQ 2017-06-28

How do I measure accurately below -60dBm using U2040 X-Series Sensor?
Click on the question above for recommended steps.

FAQ 2015-12-14

Can the counter make simultaneous measurements on channels 1 and 2?
No. The channels are independent and can be configured separately; however, they do not have separate processors.

FAQ 2015-09-21

Why will the counter not make low frequency measurements?
Verify the System Timeout setting by pressing Utility - Instr Setup - Time Out Settings. Turn the time out off or set it to a large value.

FAQ 2015-09-01

How can I make 75 Ω measurements using the ENA?
You can make 75 Ω measurements with the ENA by shifting system characteristic impedance to 75 Ω.

FAQ 2015-03-09

Can I use the Fixture Simulator functions with the 2-port ENA?
Yes, but the function is limited...

FAQ 2015-01-09

Is there a summary of available cable test methods when using the FieldFox Hand Held portable analyzers?
Yes. Please refer to the FieldFox Hand Held Cable Test details and methods below.

FAQ 2014-08-11

Can I have multiple math functions (Null, Min-Max, dB, dBm, Limit) on at the same time on the 34401A?
No, the 34401A only allows one math function to be used at a time.

FAQ 2014-04-15

Why does my FieldFox spectrum analyzer preamplifier increase the noise floor when engaged?
The FieldFox spectrum analyzer preamplifier selection will normally reduce the displayed noise floor when activated. However, if the FieldFox RF attenuation AUTO selection is set to ON then the preamp may not reduce the noise floor.

FAQ 2014-03-03

Replacing the 8508A vector voltmeter with the E5061B network analyzer
Measuring the phase difference of an external CW signals is a typical measurement application of the 8508A vector voltmeter.

FAQ 2013-10-14

Why is the segmented memory acquisition mode useful and which Infiniium oscilloscopes support it?
Segmented memory mode offers more efficient acquisition memory usage for storing waveforms with events of interest that are separated by long periods of time. All currently shipping Infiniiums and many older units support segmented memory.

FAQ 2013-09-18

On the PNA Vector Network Analyzer Family Is it possible to save a Touchstone (SnP) file with unwrapped phase?
Yes. The PNA Family of Vector Network Analyzers can save Touchstone (SnP) files with the phase information as unwrapped phase. To achieve unwrapped phase in a Touchstone file save perform the following...

FAQ 2013-07-29

How do I use the Service Request method (SRQ) to determine if the X-Series, ESA and PSA Signal Analyzers measurement is complete or has an error me...
Click here for information on the Service Request query to determine when a measurement is complete.

FAQ 2013-06-25

How can I perform the calibration/compensation when I use the 16094A with a 7-mm connector extension cable?
It is recommended to perform the following compensation procedure...

FAQ 2013-06-05

Does the ENA 6 series have the swept sweep mode in the frequency sweep?
No. The E5061A/62A and E5061B have only stepped sweep mode in the frequency sweep.

FAQ 2013-04-25

Are there any step-by-step measurement examples for ENA 7 series?
Yes. There are some measurement examples in ENA help file...

FAQ 2012-12-28

Is it possible on the Keysight ENA series Network Analyzers to over-ride the output source blanking at every sweep end?
Yes, the output source blanking on sweep retrace can be prevented by turning off the Initial Source Port Control function.

FAQ 2012-12-18

How do I measure Bit Error Rate (BER) to a given confidence level on N490xA/B Serial BERTs?

FAQ 2012-12-12

What is the cutoff frequency of the rear AUX input ports?
1V range: 10 kHz, 10V range: 2.7 kHz

FAQ 2012-12-11

Can I make absolute measurements on the ENA?

FAQ 2012-12-10

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