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Electronic Measurement

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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?
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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

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

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

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

Can the cylindrical insulator reduce the effect of magnetic coupling between the inductive DUT and the outer conductor of the 16196A/B/C/D fixtures...
Yes, but the effect of reducing the magnetic coupling effect is not sufficient and depends on the DUT.

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

Is there any effective way to measure the impedance of a pressure sensitive SMD component (ex. a ferrite bead) with the 16196 series or 16197A test...
In order to measure a pressure sensitive device, the pressure applied to the DUT by the test fixture needs to be carefully controlled.

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

The 4395A with the 41800A Active Probe or the 41802A 1 MΩ Input Adapter: Is any calculation required for converting the data for 50 Ω input?
No, any conversion calculation related to the difference in input impedance (between 1 MΩs and 50 Ωs) is not required. You can directly read the measurement value on the 4395A.

FAQ 2010-07-02

How can I order the 4263B option upgrade kit?
Refer to "4263B LCR Meter Option Upgrades" for more details of the upgrade kits.

FAQ 2010-07-02

How wide range of resistivity can the 4339B measure when used with the 16008B?
The 4339B can measure surface resistivity up to 7 x 1017 Ω and volume resistivity up to 8 x 1018 Ω-cm, but it depends on the electrodes of the 16008B used.

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

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

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

Why is there a step (discontinuity) on the trace of noise floor around 10 MHz in 4395A's SA mode even when no signal is input into the test port?
This phenomenon is caused by a change in circuit operation of the 4395A at 10 MHz.

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

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

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

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

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

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