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Electronic Measurement

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When measuring a capacitor via a Keysight LCR meter, what is the best circuit mode, Cs or Cp?

FAQ 2010-09-30

External test, 26 TRD LOSS test fails. How do I execute?
In the 26 TRD LOSS test, use 2 m N(m)-N(m) cable for the connection between S and R on the 4291B front panel. If it fails even using the 2m cable, troubleshoot the test station.

FAQ 2010-09-19

Can I read a list sweep measurement data by operating the soft-panel of the E4980A on Web Browser?
Yes, you can read a list sweep measurement data using Web-server control mode.

FAQ 2010-09-19

4263B: What is the signal source output impedance?
*

FAQ 2010-09-08

Why isn't calibration option (UK6) available for the 42941A?
The 42941A does not have calibration option because the 4294A specifies total measurement accuracy including the 4294A accuracy.

FAQ 2010-07-12

When utilizing Save/Recall on the E4991A file names are limited to six characters. Is there a method to save/recall files with longer names?

FAQ 2010-07-12

The E4980A/4284A display much lower resistance values than DUT's DC resistance when measuring high-value resistors in Mega-ohms region.
Set the measurement function to Cp - Rp mode to measure high resistance properly.

FAQ 2010-07-02

Do the coaxial Short and 50 Ω Load terminations for the 42941A have accuracy specifications?
No, both the coaxial Short and 50 Ω Load standard terminations for the 42941A do not have accuracy specifications.

FAQ 2010-07-02

The marker list function in the NA mode of the 4395A/4396B displays "EXTRA" value in the list below Smith chart. What does this value stand for?
It stands for equivalent capacitance or inductance.

FAQ 2010-07-02

What are primary differences between the E4991A and 4291B?
The major difference is frequency range. E4991A: 3 GHz, 4291B: 1.8 GHz.

FAQ 2010-07-02

How can I get DC bias current resolution of 20 mA in the 1 A to 2 A range when the E4980A-002 is used with 2 units of the 42841A?
The bias current resolution has been improved on the E4980A with firmware revision 2.12 and above. If your E4980A has firmware revision 2.10 or below, upgrade the firmware to revision 2.12 or above.

FAQ 2010-07-02

Why does measurement data exhibit a discontinuity at 5 MHz or 15 MHz and how can the 4294A get rid of this phenomenon?
The 4294A extends its measurement frequency range up to 110 MHz by terminating each measurement terminal with 50 ohm in order to eliminate the resonance of test leads (including leads inside the 4294A).

FAQ 2010-07-02

Why is Rp or G measurement value unstable when pure water is measured with the 16452A?
There are two conceivable causes of unstable measurement results. One of primary causes is a change in temperature of pure water sample measured. The other is a slight pollution which resides on the electrode surfaces.

FAQ 2010-07-02

Does Sweep End signal output on 24-bit I/O port of the 4294A have similar definition as End of Measure (EOM) signal on LCR meters?
Sweep End signal means the end of entire sweep measurement, not the end of measurement at each sweep point.

FAQ 2010-07-02

Can the E4980A perform open/short/load correction at user-specified spot frequency points while open/short correction at all frequency points is OF...
No, open/short/load correction at user-specified spot frequency points can be activated only when open/short correction at all frequency points is set to on.

FAQ 2010-07-02

In the 4395A/4396B NA mode, the "dB" expression is used instead of the "dBm" even when the meas. parameter is set to absolute power amplitude.
Please regard the displayed "dB" as "dBm".

FAQ 2010-07-02

How should I define or select the residual inductance values of Shorting Bars when performing Short compensation on the E4991A or the 4287A?
Nowadays, the authorized standards stipulate the dimensions of shorting devices and the Short Compensation method which uses the defined inductance values of the shorting devices. It is recommended to consider these authorized standards.

FAQ 2010-07-02

Why don't the E4991A and 4287A have Load compensation function?
Performing Load compensation in addition to Open/Short compensation is equivalent to performing Open/Short/ Load calibration at DUT contacts of test fixture (by using the working standard devices).

FAQ 2010-07-02

Error message "PHASE LOCK LOOP UNLOCKED" could be displayed, when the 4294A using an external ref. osc (opt.1D5 or other 10 MHz output) is ON.
The message is removed when any key of the front panel except [Preset]. In this case, the unit works properly.

FAQ 2010-07-02

The Load correction status displayed on the 4263B LCD doesn't change to ON or OFF in response to the [:SENSe]: CORRection[:STATe] command.
Upgrade the firmware if it's older than Rev 1.05. Otherwise, take the following methods to control the correction mode.

FAQ 2010-07-02

Does typical permittivity measurement accuracy includes all the uncertainties due to the E4991A with opt 002, 16453A and MUT insertion conditions?
Yes. All the uncertainties are included in the typical measurement accuracy.

FAQ 2010-07-02

Can I control the E4980A functions by operation on Web Browser?
Yes, you can control the E4980A over Web Browser by connecting it to your PC by LAN.

FAQ 2010-07-02

The 4339B with 16339A test fixture: The insulation resistance of a high value ceramic C (≥1000 pF) is very noisy even after 60 sec. charging time.

FAQ 2010-07-02

Why cannot I control TEST SET ATTEN PT1 and PT2 functions in ATTENUATOR MENU when the 87511A S-parameter test set is used with the 4395A?
The TEST SET ATTEN PT1 and TEST SET ATTEN PT2 functions cannot be controlled because the 87511A is not equipped with input attenuators.

FAQ 2010-07-02

Can the 4294A measure a grounded DUT?
The 4294A can measure the grounded DUT when used with the 42941A Impedance Probe.

FAQ 2010-07-02

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