Keysight E4990A Reference guide

E4990A Help

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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

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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

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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

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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

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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

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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

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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