LBXXXA Series USB Powe
™
Product Manual PMA (Power Meter Application)
Revision: 08/02/11
- 2 -
Table of Contents
TABLE OF CONTENTS .............................................................................................................................................................................................. 2
NOTICES .................................................................................................................................................................................................................... 3
1. GENERAL INFORMATION .................................................................................................................................................................................... 4
I
NTRODUCTION
......................................................................................................................................................................................................... 4
D
ESCRIPTION
........................................................................................................................................................................................................... 4
USB
C
ONSIDERATIONS
............................................................................................................................................................................................. 4
More information related to USB ......................................................................................................................................................................... 5
How to identify the type of USB port ................................................................................................................................................................... 5
A
PPLICATIONS
.......................................................................................................................................................................................................... 6
A
CCESSORIES
S
UPPLIED
........................................................................................................................................................................................... 6
S
PECIFICATIONS
....................................................................................................................................................................................................... 7
O
PTIONS
.................................................................................................................................................................................................................. 8
W
ARRANTY
.............................................................................................................................................................................................................. 8
S
ERVICE
.................................................................................................................................................................................................................. 8
C
ALIBRATION
C
YCLE
................................................................................................................................................................................................. 8
C
ONTACT
I
NFORMATION
............................................................................................................................................................................................ 8
2. INSTALLATION ...................................................................................................................................................................................................... 9
I
NITIAL
I
NSPECTION
................................................................................................................................................................................................... 9
S
UPPORT
C
ONTACT
I
NFORMATION
............................................................................................................................................................................. 9
O
PERATING
S
YSTEM AND
C
OMPUTER
R
EQUIREMENTS
................................................................................................................................................ 9
I
NSTALLATION
P
ROCEDURE
....................................................................................................................................................................................... 9
Install the Software ............................................................................................................................................................................................. 9
3. BASIC OPERATING INSTRUCTIONS
– GETTING STARTED ............................................................................................................................ 10
O
PERATING
P
RECAUTIONS
...................................................................................................................................................................................... 10
P
ROGRAM
S
TART
U
P
.............................................................................................................................................................................................. 10
C
ONFIGURING THE
S
ENSOR
..................................................................................................................................................................................... 11
Measurement Update Rate ............................................................................................................................................................................... 11
Addressing the Sensor ..................................................................................................................................................................................... 11
M
AKING
B
ASIC
M
EASUREMENTS
.............................................................................................................................................................................. 12
Zeroing and Reference Power Calibration ........................................................................................................................................................ 12
Setting the Center Frequency ........................................................................................................................................................................... 12
Display Preferences and Measurement Units ................................................................................................................................................... 13
Measurement Resolution .................................................................................................................................................................................. 14
Instrument Preset ............................................................................................................................................................................................. 14
Making an Average Power (CW) Measurement ................................................................................................................................................ 15
Making a Pulse Power Measurement ............................................................................................................................................................... 16
Alternate Pulse Measurement using Duty Cycle ............................................................................................................................................... 17
4. DETAILED OPERATING INSTRUCTIONS ........................................................................................................................................................... 19
M
EASUREMENT
O
VERVIEW AND
E
XAMPLES
.............................................................................................................................................................. 19
The Power Meter Application ............................................................................................................................................................................ 19
The Pulse Profiling Application ......................................................................................................................................................................... 19
Pulse Measurement Criteria (LB4XXA models only) ......................................................................................................................................... 20
Pulse Peak Criteria (LB4XXA models only) ...................................................................................................................................................... 21
Measurement Example: OFDM Pilot Tone (LB4XXA models only) ................................................................................................................... 22
Measurement Example: GSM (LB4XXA models only) ...................................................................................................................................... 25
GUI
F
UNCTIONS
..................................................................................................................................................................................................... 26
The Menu Bar ................................................................................................................................................................................................... 26
The Toolbar ...................................................................................................................................................................................................... 27
Averaging ......................................................................................................................................................................................................... 29
Extended Averaging ......................................................................................................................................................................................... 29
Max Hold .......................................................................................................................................................................................................... 29
Anti-alias Control .............................................................................................................................................................................................. 30
Offset Correction .............................................................................................................................................................................................. 31
Making a Relative Power Measurement ............................................................................................................................................................ 32
Frequency Response Correction ...................................................................................................................................................................... 33
Impedance Matching ........................................................................................................................................................................................ 34
Triggering ......................................................................................................................................................................................................... 35
Recorder .......................................................................................................................................................................................................... 37
Data Logging .................................................................................................................................................................................................... 38
Limits Pass/Fail ................................................................................................................................................................................................ 40
M
EASUREMENT
A
CCURACY
..................................................................................................................................................................................... 42
