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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

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

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

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

FAQ 2010-09-08

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

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

The 4294A displays a caution "Reduce OSC level" or "Bridge Unbalanced" in Fixture COMP [Short] with 1V OSC level. Is the compensation still valid?
No, the SHORT COMPEN value is invalid. The 4294A cannot measure DUT impedance below 48 ohms at OSC level setting over 500 mV.

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 is input impedance of the 4339B?
Nominal input resistance is 1000 Ω .

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

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

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

E4991A-002/4291A/B-002 with 16454A: Why is impedance measurement value different from the value calculated from permeability?
Error compensation in the permeability measurement firmware produces the difference between measured impedance and permeability.

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

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

The 16085B 4-Terminal Pair to 7 mm (APC-7) adapter: Is it advisable to use fixture compensation standards or coaxial calibration 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

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

How is measurement accuracy calculated when the 42841A is used with the 4284A, 4285A or E4980A?
The measurement accuracy is the sum of the measurement instrument accuracy and additional error produced when the instrument is used with the 42841A and bias current test fixture.

FAQ 2010-07-02

Is it possible to separate the test head from the E4991A and interconnect them with cables?
Yes. It is possible with option E4991A-010 or option E4991A-007 only.

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

Why is Sweep Delay Time of the 4294A prolonged when DC bias is set to ON?
The DC bias source inside the 4294A requires a certain settling time before starting a sweep measurement.

FAQ 2010-07-02

How can I replace the contact tip of the 16334A?
The replacement contact tip is orderable by part number 16334-09002.

FAQ 2010-07-02

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