Anritsu ME7840A User manual

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MODEL
ME7840A
POWER AMPLIFIER TEST SYSTEM
OPERATION AND
MAINTENANCE MANUAL
490 JARVIS DRIVE - MORGAN HILL, CA 95037-2809 P/N: 10410-00225
REVISION: B
PRINTED: APRIL 2001
COPYRIGHT 2000 ANRITSU CO

WARRANTY
The ANRITSU product(s) listed on the title page is (are) warranted against defects in materials and
workmanship for three years from the date of shipment.
ANRITSU’s obligation covers repairing or replacing products which prove to be defective during the
warranty period. Buyers shall prepay transportation charges for equipment returned to ANRITSU for
warranty repairs. Obligation is limited to the original purchaser. ANRITSU is not liable for consequential
damages.
LIMITATION OF WARRANTY
The foregoing warranty does not apply to ANRITSU connectors that have failed due to normal wear. Also,
the warranty does not apply to defects resulting from improper or inadequate maintenance by the Buyer,
unauthorized modification or misuse, or operation outside of the environmental specifications of the
product. No other warranty is expressed or implied, and the remedies provided herein are the Buyer’s sole
and exclusive remedies.
TRADEMARK ACKNOWLEDGEMENTS
V Connector and K Connector are registered trademarks of ANRITSU Company.
GPC-7 is a registered trademark of Amphenol Corporation.
Ink Jet and Think Jet are registered trademarks of Hewlett-Packard Co.
MS-DOS is a registered trademark of Microsoft Corporation.
NOTICE
ANRITSU Company has prepared this manual for use by ANRITSU Company personnel and customers
as a guide for the proper installation, operation and maintenance of ANRITSU Company equipment and
computer programs. The drawings, specifications, and information contained herein are the property of
ANRITSU Company, and any unauthorized use or disclosure of these drawings, specifications, and
information is prohibited; they shall not be reproduced, copied, or used in whole or in part as the basis for
manufacture or sale of the equipment or software programs without the prior written consent of ANRITSU
Company.

Safety Symbols
To prevent the risk of personal injury or loss related to equipment malfunction, ANRITSU Company uses
the following symbols to indicate safety-related information. For your own safety, please read the informa-
tion carefully BEFORE operating the equipment.
Symbols used in manuals
DANGER This indicates a very dangerous procedure that could result in serious
injury or death if not performed properly.
WARNING This indicates a hazardous procedure that could result in serious in-
jury or death if not performed properly.
CAUTION This indicates a hazardous procedure or danger that could result in
light-to-severe injury, or loss related to equipment malfunction, if
proper precautions are not taken.
Safety Symbols Used on Equipment and in Manuals
(Some or all of the following five symbols may or may not be used on all ANRITSU equipment. In addition,
there may be other labels attached to products that are not shown in the diagrams in this manual.)
The following safety symbols are used inside or on the equipment near operation locations to provide infor-
mation about safety items and operation precautions. Ensure that you clearly understand the meanings of
the symbols and take the necessary precautions BEFORE operating the equipment.
This indicates a prohibited operation. The prohibited operation is indi-
cated symbolically in or near the barred circle.
This indicates a compulsory safety precaution. The required operation
is indicated symbolically in or near the circle.
This indicates warning or caution. The contents are indicated symboli-
cally in or near the triangle.
This indicates a note. The contents are described in the box.
These indicate that the marked part should be recycled.
ME7840A OMM Safety 1

Safety 2 ME7840A OMM
Always refer to the operation manual when working near locations at
which the alert mark, shown on the left, is attached. If the operation,
etc., is performed without heeding the advice in the operation manual,
there is a risk of personal injury. In addition, the equipment perfor-
mance may be reduced.
Moreover, this alert mark is sometimes used with other marks and de-
scriptions indicating other dangers.
WARNING
When supplying power to this equipment, connect the accessory 3-pin
power cord to a 3-pin grounded power outlet. If a grounded 3-pin outlet
is not available, use a conversion adapter and ground the green wire, or
connect the frame ground on the rear panel of the equipment to ground.
If power is supplied without grounding the equipment, there is a risk of
receiving a severe or fatal electric shock.
WARNING
This equipment can not be repaired by the operator. DO NOT attempt to
remove the equipment covers or to disassemble internal components.
Only qualified service technicians with a knowledge of electrical fire
and shock hazards should service this equipment. There are
high-voltage parts in this equipment presenting a risk of severe injury
or fatal electric shock to untrained personnel. In addition, there is a
risk of damage to precision components.
WARNING
Repair
For Safety
Use two or more people to lift and move this equipment, or use an
equipment cart. There is a risk of back injury, if this equipment is lifted
by one person.
WARNING

Table of Contents
Chapter 1 General Information
SCOPE OF THIS MANUAL...............................1-3
INTRODUCTION ....................................1-3
RELATED MANUALS .................................1-3
RELATED LITERATURE................................1-4
CONVENTIONS.....................................1-4
SERIAL NUMBER ...................................1-4
ONLINE MANUALS ..................................1-4
PATS SYSTEM OVERVIEW ..............................1-5
HARDWARE DESCRIPTION..............................1-5
SYSTEM DESCRIPTION ................................1-8
DRA Scorpion ....................................1-8
MS4782X Test Set..................................1-8
Connectors and Ports ...............................1-10
K FACTOR .......................................1-10
ADAPTIVE P STOP ..................................1-12
MS7840A OPTIONS ..................................1-12
OPTIONAL ACCESSORIES..............................1-12
CHANGES IN VERSION 1.11 SOFTWARE .....................1-13
PREVENTIVE MAINTENANCE ...........................1-14
USER SUPPLED TEST SET .............................1-14
PERFORMANCE SPECIFICATIONS.........................1-14
RECOMMENDED ITEMS...............................1-16
USER SUPPLIED ITEMS ...............................1-16
Chapter 2 Installation
INTRODUCTION ....................................2-3
EQUIPMENT COMPLEMENT .............................2-3
UNPACKING and INSPECTION............................2-3
INSTALLATION - HARDWARE ............................2-4
INSTALLATION - SOFTWARE.............................2-9
Installation .....................................2-9
ME7840A OMM i

What else is on the CD?...............................2-9
Uninstalling the software..............................2-9
SERVICE CENTERS..................................2-10
Chapter 3 Operations, General
INTRODUCTION ....................................3-3
PREPARING THE SYSTEM ..............................3-3
Unused Connections ................................3-4
USING PA Navigator SOFTWARE ...........................3-6
Software
Organization.....................................3-6
COLLATERAL FUNCTIONS ..............................3-7
File..........................................3-7
Help .........................................3-9
Tools ........................................3-10
Chapter 4 Operations, Calibration
INTRODUCTION ....................................4-3
OPERATION, GENERAL ................................4-3
TEST EQUIPMENT...................................4-3
GENERAL ........................................4-3
Chapter 5 Operations, Measurement
INTRODUCTION ....................................5-3
OPERATION, GENERAL ................................5-3
MEASUREMENT CALIBRATION ...........................5-3
S-PARAMETER TESTS .................................5-4
S-PARAMETER TEST: K FACTOR...........................5-7
POWER SWEEP, TWO TONE.............................5-10
Single Frequency Power Sweep ..........................5-10
Overlay Power Sweep ...............................5-14
POWER SWEEP, ONE TONE .............................5-17
Single Frequency Power Sweep ..........................5-17
IMD...........................................5-21
HARMONICS .....................................5-24
HOTS22........................................5-27
ACPR ..........................................5-31
CW Measurements.................................5-31
Power Sweep Measurements ...........................5-34
ii ME 7840A OMM

Chapter 6 Performance Verification Procedure
INTRODUCTION ....................................6-3
CONVENTIONS.....................................6-3
TEST
EQUIPMENT ......................................6-3
SOURCE OUTPUT ACCURACY ............................6-4
Setup: ........................................6-4
Test Procedure ...................................6-4
RETURN LOSS CONFIDENCE TEST.........................6-5
Setup.........................................6-5
Test Procedure: ...................................6-6
SYSTEM DYNAMIC RANGE .............................6-8
Test Procedure: ...................................6-8
RECEIVER DISPLAY LINEARITY ..........................6-10
Setup:........................................6-10
Chapter 7 Preamplifier Operations
INTRODUCTION ....................................7-3
USE OF EXTERNAL PREAMPLIFIERS........................7-3
Alternative 1 ....................................7-3
Alternative 2 ....................................7-3
ME7840A OMM iii/iv

Table of Contents
SCOPE OF THIS MANUAL...............................1-3
INTRODUCTION ....................................1-3
RELATED MANUALS .................................1-3
RELATED LITERATURE................................1-4
CONVENTIONS.....................................1-4
SERIAL NUMBER ...................................1-4
ONLINE MANUALS ..................................1-4
PATS SYSTEM OVERVIEW ..............................1-5
HARDWARE DESCRIPTION..............................1-5
SYSTEM DESCRIPTION ................................1-8
DRA Scorpion ....................................1-8
MS4782X Test Set..................................1-8
Connectors and Ports ...............................1-10
K FACTOR .......................................1-10
ADAPTIVE P STOP ..................................1-12
MS7840A OPTIONS ..................................1-12
OPTIONAL ACCESSORIES..............................1-12
CHANGES IN VERSION 1.11 SOFTWARE .....................1-13
PREVENTIVE MAINTENANCE ...........................1-14
USER SUPPLED TEST SET .............................1-14
PERFORMANCE SPECIFICATIONS.........................1-14
RECOMMENDED ITEMS...............................1-16
USER SUPPLIED ITEMS ...............................1-16
Chapter 1
General Information