Keysight E4990A Reference guide

E4990A Help

iii
Table of Contents
Using this Help .....................................................................................3
Opening E4990A Help.........................................................................3
Context Sensitive Help .......................................................................4
Closing E4990A Help ..........................................................................4
Viewing E4990A Help on your PC .........................................................4
Switching between E4990A Help and Measurement View ........................4
Navigating E4990A Help .....................................................................4
Navigation bar ................................................................................5
Toolbar..........................................................................................5
Quick Access ..................................................................................5
Conventions used in E4990A Help ........................................................5
Precautions..........................................................................................7
Precautions .......................................................................................7
Safety ..............................................................................................7
Safety Summary.............................................................................7
Safety Symbols...............................................................................8
Notices .............................................................................................9
Certification ......................................................................................9
Documentation Warranty ....................................................................9
Exclusive Remedies.......................................................................... 10
Assistance ...................................................................................... 10
Sample Program .............................................................................. 10
Installing Software........................................................................... 11
Updating Pre-Installed Software...................................................... 11
Installing User Application Software ................................................ 11
Protecting the E4990A...................................................................... 11
Read the warning labels and specifications ....................................... 11
Do NOT Plug off Power Cable during Shutdown Process ..................... 11
Do NOT Modify or Reconfigure the Operating System ........................ 11
Install Antivirus Protection ............................................................. 12
Install Windows Critical Updates ..................................................... 12

E4990A Help
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Precaution for Use of Storage ......................................................... 12
Precaution for input connector and cable.......................................... 12
Precautions for Electrostatic Discharge (ESD) ................................... 13
Maintain working environment condition .......................................... 13
Precautions for transportation......................................................... 13
Check for Proper Ventilation ........................................................... 13
Precautions for Proper Grounding.................................................... 13
Before Contacting us ........................................................................ 14
The system starts up, but the normal measurement screen does not
appear......................................................................................... 14
Unstable Operation ....................................................................... 14
Quick Start ........................................................................................ 15
Overview ........................................................................................ 15
Overview ..................................................................................... 15
Front Panel: Names and Functions of Parts....................................... 15
Rear Panel: Names and Functions of Parts ....................................... 24
Screen Area ................................................................................. 28
Measurement Example ..................................................................... 42
Measurement Example .................................................................. 42
Required Equipment ...................................................................... 42
Preparing for a Measurement.......................................................... 42
Specifying Measurement Conditions ................................................ 43
Fixture Compensation.................................................................... 45
Carrying Out Measurement and Viewing Results ............................... 47
Results of Analysis ........................................................................ 51
Softkey Shortcuts ......................................................................... 52
Measurement ..................................................................................... 55
Measurement .................................................................................. 55
Preparation of Measurement Accessories ............................................ 55
Preparation of Measurement Accessories.......................................... 55
Selecting Accessories for Measurement............................................ 55
Connecting the Accessories ............................................................ 59
Adapter Setting ............................................................................ 59

Table of Contents
v
Adapter Selection.......................................................................... 63
Adapter Setup .............................................................................. 63
Setting Measurement Conditions........................................................ 71
Setting Measurement Conditions ..................................................... 71
Initializing Parameters ................................................................... 71
Setting Channels and Traces .......................................................... 72
Selecting Sweep Parameter ............................................................ 79
Setting Source.............................................................................. 89
Setting Trigger ............................................................................. 92
Calibration ...................................................................................... 99
Calibration ................................................................................... 99
Selecting Appropriate Calibration Method ......................................... 99
A. Direct Connection Type Test Fixture .......................................... 103
B. Calibration for Four-Terminal Pair, 1-m Extension ....................... 104
C. Calibration for Four-Terminal Pair, 2-m Extension ....................... 106
D. Exclusive Fixture..................................................................... 108
E. 42942A, 7-mm Port Extension .................................................. 110
F. 42941A, Probe Adapter ............................................................ 112
G. 42941A 3.5mm Port Extension ................................................. 114
User Calibration .......................................................................... 116
Port Extension Compensation ....................................................... 118
Fixture Compensation.................................................................. 119
Selecting Calibration/Compensation Frequency Points...................... 121
Setting Up the Display of Measurement Results ................................. 123
Setting Up the Display of Measurement Results .............................. 123
Selecting the Measurement Parameters ......................................... 123
Selecting the Graph Axis Format ................................................... 126
Scaling Trace.............................................................................. 127
Trace-based Comparison and Calculation ....................................... 129
Monitoring Source Signal Level ..................................................... 132
Setting for Phase ........................................................................ 133
Setting Windows Display .............................................................. 134
Analysis and Processing of Result..................................................... 141

E4990A Help
vi
Analysis and Processing of Result.................................................. 141
Analyzing Data on the Trace Using the Marker ................................ 142
Searching for Positions that Match Specified Criteria........................ 150
Analyze Trace Bandwidth ............................................................. 159
Reading the marker position time or relaxation time........................ 163
Analyzing the Equivalent Circuit and Simulate the Frequency
Characteristics............................................................................ 163
Calculating the Mean Value, Standard Deviation, and p-p of the Trace166
Calculating Several Traces (Equation Editor) .................................. 168
Making Pass/Fail Evaluation (Limit Test) ........................................ 174
Outputting Data............................................................................. 185
Outputting Data.......................................................................... 185
Saving and Recalling Instrument State .......................................... 185
Saving/Recalling Instrument State for Each Channel into/from Memory
................................................................................................ 189
Saving Trace Data to a File .......................................................... 190
Saving the Screen Image to a File................................................. 194
Printing Displayed Screen ............................................................ 194
Setting Control Functions .................................................................. 197
Setting Control Functions................................................................ 197
Setting the GPIB............................................................................ 197
Setting talker/listener GPIB address of E4990A............................... 197
Setting system controller (USB/GPIB interface) .............................. 197
Remote Control Using HTTP (Web Browser) ...................................... 199
Enabling Web Server ................................................................... 199
Browser Web Control................................................................... 203
Turning on/off the Date/Time Display ............................................... 204
Turning off the LCD Screen Backlight ............................................... 204
Turning OFF the LCD Screen Backlight ........................................... 204
Calibration of the Touch Screen ....................................................... 204
Exit/Restart E4990A Measurement Application................................... 205
Checking the product information .................................................... 205
Overview ................................................................................... 205

Table of Contents
vii
Procedure .................................................................................. 206
Backing Up License Key File ............................................................ 206
Backing Up License Key File ......................................................... 206
Locking the Front Keys, Keyboard, and/or Mouse (Touch Screen) ........ 207
Locking the Front Keys, Keyboard, and/or Mouse ............................ 207
Setting the Beeper (Built-in Speaker) ............................................... 207
Setting the Operation Complete Beeper ......................................... 208
Setting the Warning Beeper ......................................................... 208
Setting the Preset Function ............................................................. 208
Showing/hiding the confirmation buttons when presetting................ 208
Setting the user preset function .................................................... 208
Saving a user-preset instrument state ........................................... 209
Using Windows................................................................................. 211
Using Windows .............................................................................. 211
Windows Consideration................................................................... 211
Storage ..................................................................................... 211
Using USB.................................................................................. 212
Plug & Play Stability and Security.................................................. 212
LAN Connections ......................................................................... 212
Single and Double Click option...................................................... 212
Printing...................................................................................... 212
Change Date/Time Settings............................................................. 213
User Account and Password ............................................................ 214
Account Settings ......................................................................... 214
To Change Password ................................................................... 215
To Add and Remove User ............................................................. 215
On-Screen Keyboard ...................................................................... 216
On-Screen Keyboard overview...................................................... 216
To open Windows On-Screen Keyboard.......................................... 217
Configuring Network ...................................................................... 217
Enabling/Disabling Network.......................................................... 217
Check/Reset IP Address ............................................................... 218
Setting IP address....................................................................... 218

E4990A Help
viii
Checking Computer Name............................................................ 219
Windows Firewall ........................................................................... 219
To Turn Windows Firewall ON or OFF ............................................. 219
Enabling/Disabling USB Storage ...................................................... 220
Local Group Policy Editor.............................................................. 221
Enabling & Disabling USB Storage ................................................. 222
Connecting External Accessories ...................................................... 224
Connecting a Printer.................................................................... 225
Connecting a Mouse/Keyboard...................................................... 225
Connecting a Monitor................................................................... 225
Product Information .......................................................................... 227
Product Information ....................................................................... 227
Options for E4990A ........................................................................ 227
Frequency Options ...................................................................... 227
Time Base Options ...................................................................... 228
Accessary Options ....................................................................... 228
Calibration Option ....................................................................... 228
System Rack Options................................................................... 228
Documentations for E4990A ............................................................ 228
Manuals ..................................................................................... 229
Sales Literature .......................................................................... 229
Specifications ................................................................................ 229
Customer Contacts ........................................................................ 230
Troubleshooting............................................................................. 230
Troubleshooting during Startup..................................................... 230
Troubleshooting during Operation ................................................. 231
Troubleshooting for External Devices............................................. 233
Measurement Accessories ............................................................... 234
Maintenance.................................................................................. 234
Maintenance............................................................................... 234
Cautions Applicable to Requesting Repair, Replacement, Regular
Calibration, etc. .......................................................................... 234
Cleaning this Instrument.............................................................. 235

Table of Contents
ix
Replacement of Parts with Limited Service Life ............................... 236
System Recovery ........................................................................ 238
Updating Firmware...................................................................... 238
Service Functions........................................................................ 239
Removing Log Data ..................................................................... 239
Programming ................................................................................... 241
Programming ................................................................................ 241
Remote Control ............................................................................. 241
Overview ................................................................................... 241
Setting Measurement Condition .................................................... 256
Preparing for Accurate Measurement ............................................. 260
Starting a Measurement (Trigger) and Detecting the Completion of a
Measurement ............................................................................. 265
Reading Writing Measurement Data............................................... 273
Processing Measurement Results................................................... 284
Saving/Recalling a Measurement Result/Measurement Setup............ 294
Communication with External Equipment (Using I/O Ports) .............. 299
Status Reporting System ............................................................. 313
Using Macro ............................................................................... 324
Command Reference ...................................................................... 331
Command Reference ................................................................... 331
Notational Conventions ................................................................ 332
ABORT....................................................................................... 334
CALCULATE ................................................................................ 334
CONTROL................................................................................... 420
DISPLAY .................................................................................... 430
FORM ........................................................................................ 474
HCOPY....................................................................................... 478
IEEE .......................................................................................... 481
INIT .......................................................................................... 490
LXI............................................................................................ 491
MMEMORY.................................................................................. 492
SENSE ....................................................................................... 511

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SERVICE .................................................................................... 569
SOURCE..................................................................................... 585
STATUS ..................................................................................... 616
SYSTEM ..................................................................................... 635
TRIGGER ................................................................................... 649
Index .............................................................................................. 657

1
Agilent E4990A
Impedance
Analyzer
Help
The E4990A help provides an easy access to the information related to the
use of Agilent E4990A Network Analyzer. Pressing Help key on the front
panel displays the topic related to the selected softkey.
You can navigate this help system through the navigation tools provided in
the left or you can directly access the chapters:
Using this Help (Read me
first)
Precautions
Quick Start Setting Control Functions
Measurement Using Windows
Product Information Programming
E4990A Firmware Revision A.01.0x
Help Edition No. 1.00
Help Revision Date March 19, 2014
© Copyright 2014 Agilent Technologies

3
Using this Help
This help provides the user and programming documentation in an
searchable electronic format for the E4990A Network Analyzer. This section
describes the usage of this help system.
•Opening E4990A Help
•Context Sensitive Help
•Closing E4990A Help
•Viewing E4990A Help on PC
•Switching between E4990A Help and Measurement View
•Navigating E4990A Help
•Conventions used in E4990A Help
E4990A Online Help
Opening E4990A Help

E4990A Help
4
This help system is provided in Microsoft Compressed HTML Help format
(.chm). This help can be also be viewed on a normal PC.
To open E4990A help, use either of the following methods:
•By pressing the Help key located in the ENTRY Block.
•By pressing the F1 key on a keyboard attached with the E4990A.
•By double-clicking E4990A_Help.chm (located in C:\Program Files
(x86)\Agilent\E4990\Help).
Context Sensitive Help
Context sensitive help is a great feature of the E4990A help. It allows you
to get information about the selected softkey by pressing the Help key in
the E4990A or by pressing F1 in a keyboard attached to the E4990A or by
clicking the help button in a dialog box. It provides information relevant to
the task that needs to be accomplished and reduces the time to search
relevant information required to complete a task.
Closing E4990A Help
To close the E4990A help, click , located on the top right of the E4990A
help viewer.
Viewing E4990A Help on your PC
The E4990A help can be opened and viewed on a normal PC. The help file
(E4990A_Help.chm) is located in the E4990A Network Analyzer storage at
C:\Program Files (x86)\Agilent\E4990\Help. Copy it to the local storage drive
on your PC, then double-click it to view.
A web help is also available at http://www.agilent.com/find/e4990A-
manual.
Do not locate E4990A_Help.chm in a network drive
because the topics is not displayed.
Switching between E4990A Help and Measurement View
The Foc Key, located in the Entry Block, can be used to switch between the
E4990A Measurement View and Help View.
Navigating E4990A Help

Using this Help
5
The E4990A help system provides several ways to navigate through the
information related to the use of E4990A Network Analyzer. These sections
describe the navigation system of the E4990A help which consists of:
•Navigation bar
•Quick Access
•Toolbar
Navigation bar
Navigation bar comprises of tabs related to Contents, Index, Search and
Glossary. The Contents tab contains the main navigational structure of the
E4990A help. The Glossary tab contains explanation of the terms
significant to the E4990A Network Analyzer. The Index tab is an additional
tool that can be used to navigate different topics according to their
alphabetical listing. The Search tab can be used to search any term/phrase
used in the E4990A online Help.
Toolbar
The toolbar can be used to navigate through the help. The Home option
can be used to return to the home page of the E4990A help which contains
Quick Access to chapters in the help. The Back and Forward options can be
used to toggle between visited topics. The Print option can be used to print
the selected, or all the topics of the E4990A help.
Quick Access
Quick access, located on the Home Page of the E4990A help, is a
convenient and quick way to access the contents of the E4990A help.
Conventions used in E4990A Help
Naming Conventions Used in this Help
Convention Description Example
File
Name/Path
File names and path associated
with them as displayed as Bold
in Arial with 12 pt size.
C:\Documents and
Settings\test.txt
example2.xls

E4990A Help
6
Hard keys Hard Keys (Keys located on the
Front panel of E4990A) are
displayed in Blue color, Bold in
Verdana with 12 pt size.
Trace Max
Foc
Marker
Softkeys Also known as menu keys, are
the names of menu that appear
in the Firmware (Software) of
E4990A and are displayed as
Bold in Arial with 12 pt size.
Auto Scale All
Allocate Channels
BLOCK
Names
E4990A Front Panel is divided
into 7 blocks. These blocks are
displayed in ALL CAPS, Green
Color, Bold in Arial with 12 pt
size, followed by the word
'Block'.
RESPONSE Block
ENTRY Block
STIMULUS Block
Note This Note sign denotes
important information. It calls
attention to a condition that is
essential for the user to
understand.
Thi
s is a
Note.
Caution This Caution sign denotes a
hazard. It calls attention to a
procedure, practice, or
condition that, if not correctly
performed or adhered to, could
result in damage to or
destruction of part or all of the
instrument.
Thi
s is a
Caution.
Warning This warning sign denotes a
hazard. It calls attention to a
procedure, practice, or
condition that, if not correctly
performed or adhered to, could
result in injury or death to
personnel.
Thi
s is a
Warning
.

7
Precautions
Precautions
•Safety
•Notices
•Installing Software
•Protecting the E4990A
•Before Contacting us
Safety
Safety Summary
The following general safety precautions must be observed during all
phases of operation, service, and repair of this instrument. Failure to
comply with these precautions or with specific WARNINGS elsewhere in this
manual may impair the protection provided by the equipment. Such
noncompliance would also violate safety standards of design, manufacture,
and intended use of the instrument. Agilent Technologies assumes no
liability for the customer's failure to comply with these precautions.
The E4990A complies with INSTALLATION CATEGORY
II as well as POLLUTION DEGREE 2 in IEC61010-1. The E4990A
is an INDOOR USE product.
The LEDs in the E4990A are Class 1 in accordance
with IEC60825-1, CLASS 1 LED PRODUCT
•Ground the Instrument
To avoid electric shock, the instrument chassis and cabinet must be
grounded with the supplied power cable's grounding prong.
•DO NOT Operate in an Explosive Atmosphere
Do not operate the instrument in the presence of inflammable gasses
or fumes. Operation of any electrical instrument in such an
environment clearly constitutes a safety hazard.
•Keep Away from Live Circuits
Operators must not remove instrument covers. Component

E4990A Help
8
replacement and internal adjustments must be made by qualified
maintenance personnel. Do not replace components with the power
cable connected. Under certain conditions, dangerous voltage levels
may remain even after the power cable has been disconnected. To
avoid injuries, always disconnect the power and discharge circuits
before touching them.
•DO NOT Service or Adjust the Instrument Alone
Do not attempt internal service or adjustment unless another person,
capable of rendering first aid and resuscitation, is present.
•DO NOT Substitute Parts or Modify the Instrument
To avoid the danger of introducing additional hazards, do not install
substitute parts or perform unauthorized modifications to the
instrument. Return the instrument to an Agilent Technologies Sales
and Service Office for service and repair to ensure that safety
features are maintained in operational condition.
•Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous
procedures throughout this manual. Instructions contained in the
warnings must be followed.
Dangerous voltage levels, capable of causing death,
are present in this instrument. Use extreme caution when
handling, testing, and adjusting this instrument.
Safety Symbols
Instruction Manual symbol: the product is marked with this
symbol when it is necessary for the user to refer to the
instrument manual.
Alternating current.
Direct current.
On (Supply).
Off (Supply).

Precautions
9
A chassis terminal; a connection to the instrument's chassis,
which includes all exposed metal structure.
Stand-by.
Notices
The information contained in this document is subject to change without
notice.
This document contains proprietary information that is protected by
copyright. All rights are reserved. No part of this document may be
photocopied, reproduced, or translated to another language without the
prior written consent of Agilent Technologies.
Microsoft®,MS-DOS®,Windows®,Visual C++®,Visual Basic®,VBA® and
Excel® are registered trademarks of Microsoft Corporation.
Java® is registered trademark of Sun Microsystems Corporation.
© Copyright 2014 Agilent Technologies. All rights reserved.
Certification
Agilent Technologies certifies that this product met its published
specifications at the time of shipment from the factory. Agilent
Technologies further certifies that its calibration measurements are
traceable to the United States National Institute of Standards and
Technology, to the extent allowed by the Institution's calibration facility or
by the calibration facilities of other International Standards Organization
members.
Documentation Warranty
The material contained in this document is provided "as is," and is subject
to being changed, without notice, in future editions. Further, to the
maximum extent permitted by applicable law, Agilent disclaims all
warranties, either express or implied with regard to this manual and any
information contained herein, including but not limited to the implied
warranties of merchantability and fitness for a particular purpose. Agilent
shall not be liable for errors or for incidental or consequential damages in
connection with the furnishing, use, or performance of this document or

E4990A Help
10
any information contained herein. Should Agilent and the user have a
separate written agreement with warranty terms covering the material in
this document that conflict with these terms, the warranty terms in the
separate agreement will control.
Exclusive Remedies
The remedies provided herein are Buyer's sole and exclusive remedies.
Agilent Technologies shall not be liable for any direct, indirect, special,
incidental, or consequential damages, whether based on contract, tort, or
any other legal theory.
Assistance
Product maintenance agreements and other customer assistance
agreements are available for Agilent Technologies products.
For any assistance, contact your nearest Agilent Technologies Sales and
Service Office.
Sample Program
The customer shall have the personal, non-transferable rights to use, copy,
or modify SAMPLE PROGRAMS in this manual for the customer's internal
operations. The customer shall use the SAMPLE PROGRAMS solely and
exclusively for their own purposes and shall not license, lease, market, or
distribute the SAMPLE PROGRAMS or modification of any part thereof.
Agilent Technologies shall not be liable for the quality, performance, or
behavior of the SAMPLE PROGRAMS. Agilent Technologies especially
disclaims any responsibility for the operation of the SAMPLE PROGRAMS to
be uninterrupted or error-free. The SAMPLE PROGRAMS are provided AS
IS.
AGILENT TECHNOLOGIES DISCLAIMS ANY IMPLIED WARRANTY OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Agilent Technologies shall not be liable for any infringement of any patent,
trademark, copyright, or other proprietary right by the SAMPLE PROGRAMS
or their use. Agilent Technologies does not warrant that the SAMPLE
PROGRAMS are free from infringements of such rights of third parties.
However, Agilent Technologies will not knowingly infringe or deliver
software that infringes the patent, trademark, copyright, or other
proprietary right of a third party.
Useful sample program library are available at
http://www.agilent.com/find/e4990a