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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 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

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 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

What is the 4294A's GPIB command to read sweep frequency data though OUTPDATA command transfers only measurement data?
"OUTPSWPRM" or "OUTPSWPRMP" are the commands to read out the sweep parameters according to the number of points.

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

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

How can I connect a test fixture to the measurement terminals of the E4980A when the stopper at the rear of the fixture disturbs the connection?
Remove the stopper from the test fixture by removing a screw at the center of the plastic stopper. Otherwise, remove the front rubber guide from the E4980A.

FAQ 2010-07-02

Can I separately order the heat-resistant cable without ordering E4991U-007 Upgrade Kit?
No. The heat-resistant cable cannot be ordered separately from the E4991U-007.

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

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

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

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

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

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

Can the 4338B measure internal resistance of a battery?
Yes, the 4338B can directly measure internal resistance of a battery.

FAQ 2010-06-14

How low resistance can the 4338B measure and resolve?
The effective resistance measurement range and resolution of the 4338B is down to 10 micro-ohms. The minimum display resolution of the 4338B is 0.1 micro-ohms.

FAQ 2010-05-14

What are the precautions when using the 4284A LCR Meter with the 42841A Bias Current Source and the 42842A/B Fixtures?

FAQ 2010-05-12

Is the E4991A option 010 needed only when a specific probe station is used with the E4991A?
No, the E4991A-010 is generally needed when a probe station is used with the E4991A.

FAQ 2010-05-12

What is max. DC output voltage when two 42841A units are used as a 40A system?

FAQ 2010-05-12

When fabricating a custom test fixture for the Keysight 4339B, what are the recommendations to extend the measurement and interlock cables?

FAQ 2010-05-11

Can I perform real time measurement with Keysight U1731B & U1732B Data Logger Software?
The Data Logger Software is to provide an indicative check on the unit and not intended for high timing accuracy measurement…

FAQ 2010-05-05

How to calculate the accuracy for U1731B/U1732B Inductance Measurements?
The accuracy is calculated using the formula in the data sheet...... The Example......

FAQ 2010-05-05

Does the 4294A have the ALC (Auto Level Control) function?
No, the 4294A doesn't have the ALC. I-Basic program can be used to achieve the test signal ALC.

FAQ 2010-05-03

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