Summary of the content on the page No. 1
Programmer’s Guide
Agilent Technologies EMC Series
Spectrum Analyzers
This guide documents firmware revision A.08.xx
This manual provides documentation for the following instruments:
E7401A (9 kHz - 1.5 GHz)
E7402A (9 kHz - 3.0 GHz)
E7403A (9 kHz - 6.7 GHz)
E7404A (9 kHz - 13.2 GHz)
E7405A (9 kHz - 26.5 GHz)
Manufacturing Part Number: E7401-90053
Supersedes: E7401-90028
Printed in USA
December 2001
© Copyright 1999 - 2001 Agilent Technologies, Inc.
Summary of the content on the page No. 2
Notice The information contained in this document is subject to change without notice. Agilent Technologies makes no warranty of any kind with regard to this material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. Safety Information The following
Summary of the content on the page No. 3
WARNING This is a Safety Class 1 Product (provided with a protective earth ground incorporated in the power cord). The mains plug shall be inserted only in a socket outlet provided with a protected earth contact. Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous. Intentional interruption is prohibited. WARNING No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent electrical shock do not re
Summary of the content on the page No. 4
LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modification or misuse, operation outside of the environmental specifications for the product, or improper site preparation or maintenance. NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. AGILENT TECHNOLOGIES SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Summary of the content on the page No. 5
Contents 1. Programming Fundamentals Creating Valid Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Command Notation Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Special Characters in Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Parameters in Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 6
Contents Standard Event Status Event Enable Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 STATus:OPERation Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 STATus:OPERation Condition and Event Enable Registers . . . . . . . . . . . . . . . . . . . . . .73 STATus:QUEStionable Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 STATus:QUEStionable:POWer Register
Summary of the content on the page No. 7
Contents Determine if an Error has Occurred . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Measuring Harmonic Distortion (GPIB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Measuring Harmonic Distortion (RS-232) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Making Faster Measurements (multiple measurements) . . . . . . . . . . . . . . . . . . . . . . . . . . 177 4. Programming Command C
Summary of the content on the page No. 8
Contents Set Comment for Marked Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205 Delete Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205 Turn Signal List On or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206 Retrieve Signal as a String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 9
Contents Set Center Frequency to the Marker Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Set Reference Level to the Marker Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Set Span to the Marker Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Set Start Frequency to the Marker Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Set Center Frequency
Summary of the content on the page No. 10
Contents Date and Time Display Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235 Date and Time Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235 Display Annotation Title Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236 Turn the Entire Display On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236
Summary of the content on the page No. 11
Contents INPut Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Input Port Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Clear the Input Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 MEASure Group of Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 12
Contents Turn Automatic Averaging On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .270 Type of Averaging for Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271 [:SENSe]:BANDwidth Subsection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272 Resolution Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272 Resolution
Summary of the content on the page No. 13
Contents Preselector Centering On or Off (E7403A, E7404A, E7405A only) . . . . . . . . . . . . . . . 288 Setting the Dwell Time for Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 Auto Measure Margin On or Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 [:SENSe]:FREQuency Subsection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 Center Frequency . . . . . . . . .
Summary of the content on the page No. 14
Contents Set the Output Power at the Start of the Sweep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .306 Set the Output Power to Step Automatically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .306 Set the Output Power Step Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .306 Set the Source Sweep Power Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .307 Output Power Tracking .
Summary of the content on the page No. 15
Contents Questionable Positive Transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318 SYSTem Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 GPIB Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319 Serial Port DTR Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 16
Contents Trace Math Subtract From Display Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333 Select Trace Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333 TRIGger Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .334 External Trigger, Line Trigger Delay Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .334 Extern
Summary of the content on the page No. 17
Commands Alphabetical Listing :SOURce:POWer:ATTenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 *CAL? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 *CLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary of the content on the page No. 18
Commands Alphabetical Listing :CALCulate:EMI:SLISt:ADD:MARKer [1]|2|3|4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 :CALCulate:EMI:SLISt:ADD:MEASured . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 :CALCulate:EMI:SLISt:CLEar ALL|CURRent| . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 :CALCulate:EMI:SLISt:COMMent:ALL .
Summary of the content on the page No. 19
Commands Alphabetical Listing :CALCulate:LLINe[1]|2:DISPlay OFF|ON|0|1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 :CALCulate:LLINe[1]|2:DISPlay?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 :CALCulate:LLINe[1]|2:FAIL? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 :CALCulat
Summary of the content on the page No. 20
Commands Alphabetical Listing :CALCulate:MARKer[1]|2|3|4:FUNCtion BPOWer|NOISe|OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 :CALCulate:MARKer[1]|2|3|4:FUNCtion?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 :CALCulate:MARKer[1]|2|3|4:MAXimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 :CALCulate:MARKer[1]|2|3|4:MAXimum:LEFT. . .
