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4395A-1D6 Time-Gated Spectrum Analysis

Product Status: Discontinued | Currently Supported

View Product Details

Current Firmware/Software

Version: 1.12
Release Date: 2006-09-22

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How can I order the upgrade kit of the 4395A
The model numbers of available upgrade kits for the 4395A options are as follows.

FAQ 2013-06-24

How do I upgrade my 4395A Network/Spectrum/Impedance Analyzer?
Information for hardware and software options upgrade

FAQ 2012-07-24

How can the S21 to transmission impedance (Zt) conversion equation on the 4395A Operation Manual be derived?
The equivalent circuit model of transmission measurement is as follows.

FAQ 2011-06-03

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

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

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

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

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

Can the 4395A/4396B read the cal data from the disk that comes with the cal kits such as the 85033D, 85039A, 85039B, etc?
No, the 4395A/4396B can't read the cal data from the disk furnished with these cal kits.

FAQ 2008-11-18

Do you have a GPIB command comparison chart between the 4195A and the 4395A?
Yes, please refer to 4195A-4395A GPIB Command Correspondence Table.

FAQ 2008-11-17

Why is "OVERLOAD" message sometimes displayed in Network Analyzer mode of the 4395A? How can I avoid this error message?
The OVERLOAD message on the 4395A Network Analyzer mode is often displayed when Sweep Start frequency is lower than 5 kHz and a wide IFBW is selected.

FAQ 2008-11-17

The VOLT unit is selectable in the Format menu when the 4395A/4396B is set to spectrum analyzer mode. Is this RMS value or peak value?
It stands for RMS value.

FAQ 2008-11-17

Is there any requirement for the monitor display that can be used as an external monitor of the 4395A / 4396B?
Color monitors supporting VGA can be used as an external monitor of the 4395A / 4396B.

FAQ 2008-11-17

Can I use the 1141A 200 MHz Differential Probe with the 4395A?
Yes, but you need to use the 1142A Probe Control and Power Module along with the 1141A in order to supply a DC operating power and control some input functions of the 1141A.

FAQ 2008-11-16

Are there any balun transformers that can be used with the 4395A?
Yes.

FAQ 2008-11-16

Is there any sample program for the 4395A to measure THD (Total Harmonic Distortion)?
Yes, a free sample program (HP BASIC/ IBASIC) for the 4395A to measure THD is available on Keysight.com.

FAQ 2008-11-16

How many traces can be displayed when the 4395A's overlay trace function is used?
The number of traces that can be displayed by using the overlay trace function of the 4395A depends on the number of sweep points (NOP).

FAQ 2008-11-16

Can I use the 35677A (S-Parameter Test Set for the 3577A/B) for the 4395A?
No, the 4395A can't control the 35677A. The 35677A can be used only for the 3577A/B. Recommended S-parameter test set for the 4395A is 87511A/B.

FAQ 2008-11-16

Can the 4395A save all of the overlay traces to one file?
No, the 4395A can't save the overlay trace data into a floppy disk or memory disk.

FAQ 2008-11-16

How can I measure the input impedance of a balanced DUT by using the 4395A?
Please refer to application note.

FAQ 2008-11-16

How can I measure the return loss and insertion loss of a balanced DUT by using the 4395A?
In order to measure the return loss or insertion loss of a balanced DUT, balun transformers are required.

FAQ 2008-11-16

How can I perform a DC voltage biased measurement with the 4395A/4396B and the 87512A?
It is recommended to configure the instruments and accessories as follows.

FAQ 2008-11-16

Is the accuracy of the impedance measurement specified when the 4395A/4396B Option 010 is used with the 87512A?
No, the accuracy of the impedance measurement values obtained by using the 4395A/4396B with the 87512A is not specified.

FAQ 2008-11-16

What are the memory sizes of the RAM Disk Memory and the Backup Memory of the 4395A?
The 4395A has two types of memory.

FAQ 2008-11-16

Can I use Gate Trigger mode in network or impedance analyzer mode of the 4395A?
No, the Gate Trigger mode (level / edge) can only be selected in spectrum analyzer mode of the 4395A with Option 1D6.

FAQ 2008-11-16

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