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Agilent E4418B
Power Meter
User’s Guide
Agilent Technologies
Notices
CAUTION
WARNING
© Agilent Technologies, Inc. 1998–2013
No part of this manual may be reproduced
in any form or by any means (including
electronic storage and retrieval or translation into a foreign language) without prior
agreement and written consent from Agilent Technologies, Inc. as governed by
United States and international copyright
laws.
Manual Part Number
E4418-90032
Edition
Eighth Edition, April 5, 2013
Printed in Malaysia
Agilent Technologies, Inc.
3501 Stevens Creek Blvd.
Santa Clara, CA 95052 USA
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 of 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 shall control.
Technology Licenses
The hardware and/or software described in
this document are furnished under a
license and may be used or copied only in
accordance with the terms of such license.
Restricted Rights Legend
U.S. Government Restricted Rights. Software and technical data rights granted to
the federal government include only those
rights customarily provided to end user customers. Agilent provides this customary
commercial license in Software and technical data pursuant to FAR 12.211 (Technical
Data) and 12.212 (Computer Software) and,
for the Department of Defense, DFARS
252.227-7015 (Technical Data - Commercial
Items) and DFARS 227.7202-3 (Rights in
Commercial Computer Software or Computer Software Documentation).
Safety Notices
A CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like
that, if not correctly performed or
adhered to, could result in damage
to the product or loss of important
data. Do not proceed beyond a
CAUTION notice until the indicated conditions are fully understood and met.
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly performed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated conditions are fully understood and
met.
ii E4418B Power Meter User’s Guide
Certification
Warranty
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 Institute’s calibration facility and
to the calibration facilities of other International Standards Organization
members.
This Agilent Technologies instrument product is warranted against defects
in material and workmanship for a period of 3 years from date of shipment.
During the warranty period, Agilent Technologies will at its option, either
repair or replace products which prove to be defective. For warranty
service or repair, this product must be returned to a service facility
designated by Agilent Technologies. Buyer shall prepay shipping charges
to Agilent Technologies and Agilent Technologies shall pay shipping
charges, duties and taxes for products returned to Aglent Technologies
from another country. Agilent Technologies warrants that its software and
firmware designated by Agilent Technologies for use with an instrument
will execute its programming instructions when properly installed on that
instrument. Agilent Technologies does not warrant that the operation of
the instrument or firmware will be uninterrupted or error free.
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.
E4418B Power Meter User’s Guide iii
Exclusive Remedies
WARNING
CAUTION
Warnings and Cautions
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.
This guide uses warnings and cautions to denote hazards.
A warning calls attention to a procedure, practice or the like, which, if
not correctly performed or adhered to, could result in injury or the loss of
life. Do not proceed beyond a warning until the indicated conditions are
fully understood and met.
A caution calls attention to a procedure, practice or the like which, if not
correctly performed or adhered to, could result in damage to or the
destruction of part or all of the equipment. Do not proceed beyond a
caution until the indicated conditions are fully understood and met.
Recommended Calibration Interval
iv E4418B Power Meter User’s Guide
Agilent Technologies recommends a two- years calibration cycle for the
E4418B EPM Series power meter.
Safety Symbols
The following symbol on the instrument and in the documentation
indicates precautions that must be taken to maintain safe operation of the
instrument.
Caution, risk of danger.
The
Instruction Documentation Symbol. The product is marked with this
symbol when it is necessary for the user to refer to the instructions in the
supplied documentation.
Alternating current (AC).
This symbol indicates the operating switch for ‘Stand-by’ mode. Note, the
strument is NOT isolated from the mains when the switch is pressed.
in
To isolate the instrument, the mains coupler (mains input cord) should be
removed from the power supply.
This symbol indicates the operating switch for ‘On’ mode).
External Protective Earth
While this is a Class I product, provided with a protective earthing
conductor in a power cord, an external protective earthing terminal has
also been provided. This terminal is for use where the earthing cannot be
assured. At least an 18AWG earthing conductor should be used in such
an instance, to ground the instrument to an assured earth terminal.
E4418B Power Meter User’s Guide v
Terminal.
Personal Safety Considerations
WARNING
WARNING
CAUTION
This is a Safety Class I product (provided with a protective earthing ground
incorporated in the power cord). The mains plug shall only be inserted in a
socket outlet provided with a protective earth contact. Any interruption of
the protective conductor, inside or outside the instrument is likely to make
the instrument dangerous. Intentional interruption is prohibited
If this instrument is not used as specified, the protection provided by the
equipment could be impaired. This instrument must be used in a normal
condition (in which all means of protection are intact) only.
No operator serviceable parts inside. Refer servicing to qualified
personnel. To prevent electrical shock, do not remove covers.
For continued protection against fire hazard, replace the line fuse(s)
only with fuses of the same type and rating (for example, normal blow,
time delay, etc.). The use of other fuses or material is prohibited.
General Safety Considerations
Before this instrument is switched on, make sure it has been properly
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside or
outside the instrument or disconnection of the protective earth terminal
can result in personal injury.
vi E4418B Power Meter User’s Guide
Any adjustments or service procedures that require operation of the
instrument with protective covers removed should be performed only by
trained service personnel.
Regulatory Markings
The CE mark shows that the product complies with all the relevant
European legal Directives (if accompanied by a year, it signifies when the
design was proven.
This ISM device complies with Canadian ICES-001.
t appareil ISM est conforme à la norme NMB-001 du Canada.
Ce
This is the symbol of an Industrial Scientific and Medical Group 1 Class A
t.
produc
The CSA mark is a registered trademark of the Canadian Standards
ation.
Associ
E4418B Power Meter User’s Guide vii
IEC 1010-1 Compliance
This instrument has been designed and tested in accordance with IEC
Publication 61010-1 +A1:1992 Safety Requirements for Electrical
Equipment for Measurement, Control and Laboratory Use and has been
supplied in a safe condition. The instruction documentation contains
information and warnings which must be followed by the user to ensure
safe operation and to maintain the instrument in a safe condition.
Statement of Compliance
This product has been designed and tested for compliance with IEC 60529
(1989) Degrees of Protection Provided by Enclosures (IP Code). Level IPx4
is attained if, and only if, the carry case( Agilent Technologies part number
34141A) is fitted.
User Environment
This product is designed for use in a sheltered environment (avoiding
extreme weather conditions) in accordance with Pollution Degree 3
defined in IEC 60664-1, with the carry case (Agilent Technologies part
number 34141A) fitted over the instrument.
The product is suitable for indoor use on
fitted.
ly, when this carry case is not
Installation Instructions
To avoid unnecessary over-temperature conditions, while this carry case is
fitted do not apply an ac mains supply voltage, only operate your Agilent
Technologies E4418B from the battery pack.
viii E4418B Power Meter User’s Guide
Regulatory Information
N279
Sound Emission
Herstellerbescheinigung
Diese Information steht im Zusammenhang mit den Anforderungen der
Maschinenlarminformationsverordnung vom 18 Januar 1991.
• Sound Pressure LpA < 70 dB.
• Am Arbeitsplatz.
• Normaler Betrieb.
• Nach DIN 45635 T. 19 (Typprufung).
Manufacturers Declaration
This statement is provided to comply with the requirements of the German
Sound DIN 45635 T. 19 (Typprufung).
• Sound Pressure LpA < 70 dB.
• At operator position.
• Normal operation.
• According to ISO 7779 (Type Test).
Australian EMC Regulations
The C-Tick mark is a registered trademark of the Spectrum Management
Agency of Australia. This signifies compliance with the Australian EMC
Framework Regulations under the terms of the Radiocommunications Act
of 1992.
E4418B Power Meter User’s Guide ix
Declaration of Conformity (DoC)
NOTE
The Declaration of Conformity (DoC) for this instrument is available on the
Web site. You can search the DoC by its product model or description.
http://regulations.corporate.a
If you are unable to search for the respective DoC, please contact your
local Agilent representative.
gilent.com/DoC/search.htm
x E4418B Power Meter User’s Guide
List of Related Publications
The Agilent E4418B is also available in the following
languages:
• English Language User’s Guide - Option ABA
• German Language User’s Guide - Option ABD
• Spanish Language User’s Guide - Option ABE
• French Language User’s Guide - Option ABF
• Italian Language User’s Guide - Option ABZ
• Japanese Language User’s Guide - Option ABJ
Agilent Technologies E4418B/E4419B Programming Guide (Engli
language only) is also supplied with the above options except Option
ABA. For Option ABA, the Programming Guide is available only by
ordering Option 0BF.
Agilent Technologies E4418B/E4419B Service Guide is av
ordering Option 915.
Agilent Technologies E4418B/E4419B CLIPs (Component Location and
formation Pack) is available by ordering E4418-90031.
In
Useful information on SCPI (Standard Commands for
Instruments) can be found in:
Beginner’s Guide to SCPI, which is available by ordering Agilent
• A
Technologies Part Number 5010-7166.
• The SCPI reference manuals which are available from:
SCPI Consortium,
8380 Hercules Drive, Suite P3,
La Mesa, CA 91942, USA.
Telephone: 619-697-4301
Fax: 619-697-5955
Programmable
sh
ailable by
E4418B Power Meter User’s Guide xi
Agilent Technologies E4418B Options
The Agilent E4418B power meters have the following options available:
• Option 001, supplies an internal rec
instrument functionality when access to an ac power outlet is not
available.
• Option 002, supplies parallel rear p
reference oscillator output is on the front panel.
• Option 003, supplies parallel rear p
reference oscillator output is also on the rear panel.
• Option 004, deletes the Agilent 11730
• Option 0BO, deletes manual set.
• Option 908, provides rackmount kit for one instrument.
• Option 909, provides rackmount kit for two instruments.
• Option 915, provides the Agilent E4418B/E4419B Service Guide.
• Option 916, provides an additional Agilent
Agilent E4418B/E4419B Programming Guide.
• Option 1BN, provides MIL-STD 45662A, Certificate of Calibration.
• Option 1BP, provides MIL-STD-45662A, Certificate of Calibration and
data.
Available Accessories
hargeable battery providing full
anel sensor input(s). The power
anel sensor input(s). The power
A sensor cable(s) provided.
E4418B User’s Guide and
• Agilent 34161A accessory pouch
• Agilent 34141A yellow soft carry/operating case
• Agilent 34131A basic instrument transit case
• Agilent E9287A spare battery pack - for instruments fitted with option
only
001
• Agilent 34397A 12 Vdc to 115 Vac inverter (Option 0E3 230 V)
• The following Agilent power sensor cables are available:
• Agilent 11730A 1.5 m (7.5 ft)
• Agilent 11730B 3 m (10 ft)
• Agilent 11730C 6.1 m (20 ft)
• Agilent 11730D 15.2 m (50 ft)
• Agilent 11730E 30.5 m (100 ft)
• Agilent 11730F 61 m (200 ft)
xii E4418B Power Meter User’s Guide
About this Guide
Getting Started Chapter 1 This chapter prepares the power meter for use
1
and helps you to get familiar with a few of the front panel features.
Power Meter Operation Chapter 2 This chapter gives a detailed
2
description of the capabilities and operation of the power meter. You will
ind this chapter useful when you are operating the power meter from the
f
front panel.
Menu Reference Chapter 3 This chapter details diagrammatically the
3
menu maps for the power meter. It also gives a description of all the power
s keys.
meter’
Error Messages Chapter 4 This chapter lists the error messages that may
4
appear as you are working with the power meter. Each description
tains information to help you diagnose and solve the problem.
con
Specifications Chapter 5 This chapter lists the power meter’s
5
specifications and describes how to interpret these specifications.
E4418B Power Meter User’s Guide xiii
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xiv E4418B Power Meter User’s Guide
Contents
Certification iii
Warranty iii
Limitation of Warranty iii
Exclusive Remedies iv
Warnings and Cautions iv
Safety Symbols v
Personal Safety Considerations vi
General Safety Considerations vi
Regulatory Markings vii
IEC 1010-1 Compliance viii
Statement of Compliance viii
User Environment viii
Installation Instructions viii
Regulatory Information ix
List of Related Publications xi
Agilent Technologies E4418B Options xii
Available Accessories xii
About this Guide xiii
1 Getting Started
Introduction 2
Turning On the Power Meter 3
The Front Panel at a Glance 5
The Display Layout 8
Selecting Your Display Layout 11
Window Symbols 14
Warning Symbol 14
Confirmation Window 14
Wait Symbol 15
One of N Entry Window 15
Numeric or Alphanumeric Entry Window 15
The Rear Panel at a Glance 16
Adjusting the Carrying Handle 18
Rack Mounting the Power Meter 19
E4418B Power Meter User’s Guide xv
2 Power Meter Operation
Introduction 22
Battery Operation (Option 001) 24
General Information 24
Running Time 25
Charging Times 26
Backlight 26
Battery Removal/Replacement 27
Zeroing and Calibrating the Power Meter 29
Zeroing the Power Meter 29
Zero/Cal Lockout 29
Calibrating the Power Meter 30
Calibration Procedure Using Agilent E-Series Power Sensors and N8480 Series Power Sensors
(excluding Option CFT) 30
Calibration Procedure using Agilent 8480 Series power sensors and N8480 Series Power
Sensors with Option CFT 31
Zeroing and Calibrating Using TTL Inputs 35
Making Measurements with the Agilent E-Series Power Sensors and N8480 Series Power
Sensors (excluding Option CFT) 39
Procedure 39
Making Measurements with the Agilent 8480 Series Power Sensors and N8480 Series Power
Sensors with Option CFT 41
Procedure 41
Making Measurements using Sensor Calibration Tables 44
Selecting a Sensor Calibration Table 45
Making the Measurement 45
Editing Sensor Calibration Tables 46
Making Measurements using Frequency Dependent Offset Tables 53
Selecting a Frequency Dependent Offset Table 54
Making the Measurement 55
Editing Frequency Dependent Offset Tables 56
Setting the Units of Measurement 59
Selecting Units of Measurement from the Softkeys 60
Making Relative Measurements 61
Procedure 61
Setting the Resolution 62
xvi E4418B Power Meter User’s Guide
Setting Offsets 63
Setting Channel Offsets 63
Setting Display Offsets 64
Setting Averaging 65
Step Detection 67
Measuring Pulsed Signals 68
Setting Measurement Limits 70
Setting Channel Limits 70
Setting Window Limits 72
Checking for Limit Failures 74
Selecting a Digital or Analog Display 76
Setting the Range 79
Configuring the Remote Interface 80
GPIB 80
RS232/RS422 81
Remote Interface Overview 83
Programming Language Selection 85
Recorder Output 86
Leveling a Source Output 87
Saving and Recalling Power Meter Configurations 88
How Measurements are Calculated 90
Presetting the Power Meter 91
Preset Conditions 91
Self Test 94
Power On Self Test 94
Front Panel Selection of Self Tests 95
Remote Testing 97
Test Descriptions 98
Operator Maintenance 101
Replacing the Power Line Fuse 101
Contacting Agilent Technologies 103
Before calling Agilent Technologies 103
Check the Basics 104
Instrument serial numbers 104
Sales and Service Offices 106
E4418B Power Meter User’s Guide xvii
Returning Your Power Meter for Service 107
3 Menu Reference
Introduction 110
The Front Panel Menu Maps 111
dBm/W Menu 111
Frequency/Cal Fac Menu 112
Meas Setup Menu 113
Rel/Offset Menu 114
Save/Recall Menu 114
System Inputs Menu (1 of 4) 115
System Inputs Menu (2 of 4) 116
System Inputs Menu (3 of 4) 117
System Inputs Menu (4 of 4) 118
Zero/Cal Menu 119
Front Panel Menu Reference 120
Diagrammatical keys 142
4 Error Messages
Introduction 146
Error Messages 148
5 Specifications
Introduction 156
Power Meter Specifications 157
Meter 157
Accuracy 158
1 mW Power Reference1 160
Power Meter Supplemental Characteristics 161
Measurement Speed 161
Zero Drift of Sensors 161
Measurement Noise 162
Settling Time 165
Power Sensor Specifications 169
Battery Option 001 Operational Characteristics 170
xviii E4418B Power Meter User’s Guide
General Characteristics 171
Rear Panel Connectors 171
Environmental Characteristics 172
General Conditions 172
Operating Environment 172
Storage Conditions 172
General 173
Dimensions 173
Weight 173
Safety 173
Remote Programming 174
Nonvolatile Memory 174
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xx E4418B Power Meter User’s Guide
List of Figures
Figure 2-1 Battery Status 25
Figure 2-2
Figure 2-3 Rmt I/O Port TTL Inputs 35
Figure 2-1 Battery Status 25
Figure 2-4
Figure 2-5 “Edit Cal Screen” 47
Figure 2-6 “Offset Tbls” Screen 54
Figure 2-7
Figure 2-8 Effect of Offsets on a Channel Measurement 64
Figure 2-9 Averaged Readings 66
Figure 2-10
Figure 2-11 Limits Checking Application 71
Figure 2-12
Figure 2-13 Remote I/O TTL Outputs 73
Figure 2-14
Figure 2-15 Digital Display 76
Figure 2-16
Figure 2-17 Digital and Analog Display 76
Figure 2-17
Figure 2-18 RS232/ 422 Pin Assignment 81
Figure 2-19
Figure 2-20 Test Setup for Recording Swept Measurements 86
Figure 2-21
Figure 2-22 How Measurements are Calculated 90
Figure 2-23 Re
Figure 4-1
Battery Removal/Replacement 28
“Sensor Tbls” Screen 45
“Edit” Screen 56
Pulsed Signal 68
Limits Checking Results 71
Pass/Fail Limit Indicators 75
Analog Display 76
Digital and Analog Display 76
Interface Overview Examples 84
“Save/Recall” Screen 89
placing the fuse 102
Error Annunciator Position 146
E4418B Power Meter User’s Guide xxi
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xxii E4418B Power Meter User’s Guide
List of Tables
Ta b l e 1-1 Relevant Softkeys in Various Mode of Operation 10
Ta b l e 1-2
Ta b l e 2-1
Ta b l e 2-2 TTL Inputs Control Logic 35
Ta b l e 2-3 TTL Input Timing Diagram 1 36
Ta b l e 2-4 TTL Inputs Timing Diagram 2 37
Ta b l e 2-5 Measurement Units 59
Ta b l e 2-6 Range of Values for Window Limits 72
Ta b l e 3-1 Combination of Sensor Type and Correction Applied to Current Measurement 121
Ta b l e 5-1 Zero Set Specifications 158
Ta b l e 5-2 Noise Multiplier 162
Ta b l e 5-3 Power Sensor Specifications± 162
Ta b l e 5-4 Settling Time 165
Ta b l e 5-5 Settling Time 166
Ta b l e 5-6 Settling Time 168
List of Possible Combinations for the Upper and Lower Display Lines 10
Power Sensor Connection Requirements 33
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xxiv E4418B Power Meter User’s Guide
E4418B Power Meter
User’s Guide
1 Getting Started
Introduction 2
Turning On the Power Meter 3
The Front Panel at a Glance 5
The Display Layout 8
Window Symbols 14
The Rear Panel at a Glance 16
Adjusting the Carrying Handle 18
Rack Mounting the Power Meter 19
Agilent Technologies
1
1Getting Started
NOTE
Introduction
One of the first things you will want to do with your power meter is to switch
it on and become acquainted with its front panel. The sections in this chapter
prepare the power meter for use and help you get familiar with some of the
front panel operations.
The front panel consists of both keys and softkeys which allow you to select
us functions and operations. When some keys are selected, the
vario
corresponding softkey labels are displayed on the power meter display.
If you are using the power meter remotely, refer to the Ag
Technologies E4418B/4419B Programming Guide
details.
The N8480 Series power sensors used in this user’s guide is refering to all sensors from
the N8480 Series unless otherwise stated.
for remote operating
ilent
2 E4418B Power Meter User’s Guide
Turning On the Power Meter
CAUTION
CAUTION
NOTE
The following steps show you how to turn on the power meter and verify that it
is operating correctly.
1 C
onnect the power cord and turn on the power meter.
The front panel display and the green power LED light up when the power
met
er is switched on. The power meter performs its power on self test. If
the self test is not successful, the error annunciator turns on. If this occurs,
contact your Agilent Technologies Sales and Service office for instructions
on returning the power meter to Agilent Technologies for service.
This instrument is designed for use in Installation Category II and Pollution Degree 2 per
IEC 1010 and 664 respectively.
This instrument has an autoranging line voltage input, be sure the supply voltage is within
the range of 85 to 264 Vac.
Getting Started 1
E4418B Power Meter User’s Guide 3
If the power meter has been stored at extremely low temperatures out of the operating
range of the power meter, the display may take a few minutes to operate.
1Getting Started
2 Set t
3 Connect
4 M
he display contrast if required.
The display contrast is adjusted by pressing and . If these
softkeys are not displayed, press repeatedly until they appear.
a power sensor.
Connect one end of the sensor cable to the power meter’s channel input and
th
e other end to the power sensor.
aking a measurement.
A minimum warm- up time of 30 minutes is recommended before accurate
measurements can
Prior to making your first measurement, you must zero and calibrate the
sen
sor and meter combination. Refer to Chapter 2 for further
information if you are not familiar wit
measurements with a power meter.
be made.
h zeroing, calibrating or making
4 E4418B Power Meter User’s Guide
The Front Panel at a Glance
1
2
3
4
6
7
8
9101112
5
Getting Started 1
1
This key allows you to preset the power meter if you are currently working
in
local mode (that is, front panel operation). In local mode, a confirmation
pop- up window is displayed prior to a preset being carried out. However, if
you are in remote mode (that is, GPIB, RS232, or RS422 operation), then
pressing this key places the power meter in local mode provided local lock
out (LLO) is not enabled.
eys relating to the display layout.
2 K
This key allows you to select the upper or lower measurement
E4418B Power Meter User’s Guide 5
window on the power meter’s display. The
highlighted by a shadowed box. Any measurement setup you create is
implemented in the selected window.
This key allows you to choose either a one or a two window display.
window which is selected is
1Getting Started
3
This key switches the power meter between on and standby. When the
wer meter is switched to standby (that is, when this key has not been
po
selected but the line power is connected to the instrument) the red LED is
lit. When the power meter is switched on, the green LED is lit.
Option 001 Battery: On standby with the battery installed and the AC
wer source disconnected, the red LED is off.
po
4 “Syst
5
6 Dedic
7 Dedicat
8 Channel Input.
9 PO
em/Inputs” key with softkey menu.
The key allows access to softkey menus which affect the general
power meter system setup, (for example t
softkey menus which effect the setup of the channel inputs. Refer to
Chapter 3 for further information about this key and its softkey menu.
This key is the only one that is completely dedicated to the control of the
po
wer meter as a system. The only other key which affects system
parameters is the key. Refer to Chapter 3 for further
information about this key and its softkey menu.
ated “Window” keys with softkey menus.
, ,
These keys allow access to softkey menus which affect the setup of the
measurement windo
about these keys and their softkey menus.
ed “Channel” keys with softkey menus.
,
These keys allow access to softkey menus which af
channel. Refer to Chapter 3 for further information about these keys
and their softkey menus.
The AGILENT E4418B has one sensor input. Power meters configured with
Options
panel.
The power reference output is a 50 Ω type-
1 mW at 50 MHz is used for calibrating the sensor and meter combination.
ower meters configured with Option 003 have the power reference on the
P
rear panel.
002 or 003 have the sensor inputs on the rear panel and the front
WER REF Output.
ws. Refer to Chapter 3 for further information
he GPIB address) and also to
fect the measurement
N connector. The output signal of
6 E4418B Power Meter User’s Guide
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