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Keysight Technologies U2004A User Manual
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8
U2000 Series Operatin
g and Service Guide
Figure 1-2
Block diagram of the RF/microwave USB power sensor
28
30
Table of Contents
Default Chapter
4
Notices
4
Certification
5
Limitation of Warranty
5
Exclusive Remedies
5
Safety Summary
6
Safety Symbols
7
Regulatory Markings
8
Waste Electrical and Electronic Equipment (WEEE) Directive 20002/96/EC
9
General Safety Information
10
Environmental Conditions
11
Table of Contents
14
1 Getting Started
22
Introduction
23
Power Sensor Overview
24
LED Indicator Guide
25
Table 1-1 States of LED Indicator and Its Description
25
Figure 1-1 LED Indicator Sequence During Power-Up
26
Principles of Operation
27
Figure 1-2 Block Diagram of the Rf/Microwave USB Power Sensor
29
The U2000 Series USB Power Sensors in Detail
30
Figure 1-3 Simplified Block Diagram of Diode Pair/Attenuator/Diode Pair
30
Initial Inspection
32
Package Contents Checklist
32
Hardware Installation and Configuration
33
System Requirements
33
Installing Your U2000 Series USB Power Sensor
34
Figure 1-4 Found New Hardware Wizard Window
34
Figure 1-5 Found New Hardware Wizard Driver Installation
35
Figure 1-6 Hardware Installation Warning Message
35
Figure 1-7 Completing Hardware Driver Installations
36
Figure 1-8 USB Device Alias Configuration
36
Verifying Your Connected Power Sensor
37
Figure 1-9 Keysight Connection Expert with a List of Instrument I/O on the PC
37
Figure 1-10 Keysight Interactive IO Dialog Box
37
Figure 1-11 Identification of Your Connected Power Sensor Displayed
38
Configuring Your Power Sensor Via Power Analysis Manager
39
Checking the Power Sensor Firmware
40
Keysight IO Libraries Suite 15.5
40
Figure 1-12 Keysight IO Libraries Suite
40
Keysight N1918A Power Analysis Manager
41
Figure 1-13 Power Analysis Manager Instrument Properties Panel
41
Figure 1-14 Calibration Due Date Display
41
2 Operating Information
42
Measurement Mode
43
Average Only Mode
43
Normal Mode
43
Figure 2-1 Example of Trace Graph Display for GSM Signal
44
Figure 2-2 Measurement Gate
45
Power Sensor Configuration Settings
46
Figure 2-3 Auto-Averaging Settings
47
Measurement Accuracy and Speed
48
Setting the Range
48
Table 2-1 Sensor Ranges
48
Measurement Considerations
49
Table 2-2 Range Crossover Values
49
Internal and External Zeroing
51
Figure 2-4 Select Either INT or EXT from the Zero Type Option
52
Power Sweep and Frequency Sweep
53
Step Detection
54
Pulse Power Measurement in Average Only Mode
55
3 Specifications and Characteristics
56
Introduction
57
Specifications
59
Frequency and Power Ranges
59
Connector Type
59
Maximum SWR (25 °C ±10 °C)
60
SWR Plots for U2000 Series USB Power Sensors
61
Figure 3-1 U2000A Typical SWR (25 °C ±10 °C)
61
Figure 3-2 U2001A Typical SWR (25 °C ±10 °C)
62
Figure 3-3 U2002A Typical SWR (25 °C ±10 °C)
62
Figure 3-4 U2004A Typical SWR (25 °C ±10 °C)
63
Figure 3-5 U2000H Typical SWR (25 °C ±10 °C)
63
Figure 3-6 U2001H Typical SWR (25 °C ±10 °C)
64
Figure 3-7 U2002H Typical SWR (25 °C ±10 °C)
64
Figure 3-8 U2000B Typical SWR (25 °C ±10 °C)
65
Figure 3-9 U2001B Typical SWR (25 °C ±10 °C)
65
Maximum SWR (0 °C to 55 °C)
66
Maximum Power
68
Power Accuracy
69
Table 3-1 Average Only Mode Power Accuracy (with Exclusions)
69
Table 3-2 Normal Mode Power Accuracy (with Exclusions)
69
Figure 3-10 Typical Power Accuracy at 25 °C for U2000/1/2/4A Models
70
Figure 3-11 Typical Power Accuracy at 25 °C for U2000/1B Models
70
Figure 3-12 Typical Power Accuracy at 25 °C for U2000/1/2H Models
71
Switching Point
72
Table 3-3 Switching Point
72
Zero Set, Zero Drift, and Measurement Noise
74
Table 3-4 Noise Multiplier for Average Only Mode
76
Settling Time
80
Table 3-5 Settling Time for Normal and X2 Speed
80
Figure 3-13 Settling Time with Auto Filter, Default Resolution, and a 10 Db Decreasing Power Step (Not Across the Switching Point)
81
Calibration Factor and Reflection Coefficient
82
Cal Factor Uncertainty
83
Trigger
86
Normal Mode Key Specifications and Characteristics
87
General Characteristics
88
4 Service
90
General Information
91
Cleaning
91
Connector Cleaning
91
Performance Test
92
Standing Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test
92
Table 4-1 Power Sensor SWR and Reflection Coefficient for the U2000A
92
Table 4-2 Power Sensor SWR and Reflection Coefficient for the U2001A
92
Table 4-3 Power Sensor SWR and Reflection Coefficient for the U2002A
93
Table 4-4 Power Sensor SWR and Reflection Coefficient for the U2004A
93
Table 4-5 Power Sensor SWR and Reflection Coefficient for the U2000H
93
Table 4-6 Power Sensor SWR and Reflection Coefficient for the U2001H
94
Table 4-7 Power Sensor SWR and Reflection Coefficient for the U2002H
94
Table 4-8 Power Sensor SWR and Reflection Coefficient for the U2000B
94
Table 4-9 Power Sensor SWR and Reflection Coefficient for the U2001B
94
Replaceable Parts
95
Table 4-10 Replaceable Parts
96
Service
97
Troubleshooting
97
Repairing a Defective Sensor
97
Disassembly and Reassembly Procedure
98
Table 4-11 Disassembly Procedure
98
Attenuator Disassembly and Reassembly Procedure for U2000B and U2001B
100
Table 4-12 Attenuator Disassembly Procedure
100
Table 4-13 Attenuator Reassembly Procedure
101
Appendix
102
Appendix A: Zero Set, Zero Drift, and Measurement Noise
103
Table A-1 Zero Set, Zero Drift, and Measurement Noise for Average Only Mode
103
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Keysight Technologies U2004A Specifications
General
Brand
Keysight Technologies
Model
U2004A
Category
Accessories
Language
English
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