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Giga-tronics 2508A - User Manual
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2500A Serie
s
2500A Series Microwave Synt
hesizer Operatio
ns Manual
34172, Revision C, March 2008
2
Table of Contents
Main Page
Default Chapter
3
Declaration of Conformity
3
Table of Contents
9
Chapter 1: 2500A Introduction
13
Overview
13
2500A Frequency Ranges
13
2500A Options
14
Items Furnished
14
Items Required
14
General Information
15
Receiving Inspection
15
Cooling
15
Cleaning
15
Power
15
Line Fuse
17
Line Fuse Replacement
17
Calibration Cycle
18
Reshipment Preparation
18
Inputs and Outputs
18
Front Panel Connector (RF Output)
19
Rear Panel Interface and I/O Connectors
19
Chapter 2: Front
23
Introduction
23
Front Panel at a Glance
23
Front Panel Description
24
2500A Menus
26
Menu System Overview
27
Menu Buttons
27
CW Menu Descriptions
28
Cable Cal Menu
30
RAMP Menu Descriptions
30
Ramp Freq 1 Menu
31
Ramp Freq 2 Menu
32
Ramp Power Menu
33
Step Sweep Freq Menu
34
SYSTEM Menu Descriptions
36
System 1 Menu
36
System 2 Menu
38
System Menu 3
39
System Menu 4
39
AM Menu Descriptions
40
External am Menu
40
AM - Internal Waveform
41
AM - Internal Noise
42
FM Menu Descriptions
43
FM - External Menu
44
FM - Internal Menu
44
DC FM Menu
45
PM Menu Descriptions
46
PM - External Source Menu
47
PM Internal-Continuous Menu
47
PM Internal-Gated Menu
49
PM Internal-Triggered Menu
50
Language Menu Descriptions
52
Language Menu 1
52
Language Menu 2
53
Language Menu 3
54
Front Panel Operating Tasks
55
Power-Up
55
Normal Power-Up
55
Errors During Power-Up
57
Basic Operating Tasks
57
Resetting the System/Sanitization Procedure
57
Entering and Modifying Parameters
57
Signal Generation
59
Generating a CW Signal
59
Generating an External ALC Leveled Signal
60
Using the Ref Tune Feature
62
Cable Correction Function
63
Required Equipment
63
Configuring the 8650A Universal Power Meter
64
Configuring the Cable Correction Setup
64
Generating a Frequency Swept Signal
65
Generating a Power Swept Signal
65
Generating an Externally Pulse Modulated Signal
66
Remote Setup
68
Setting the GPIB Address
68
Selecting the Remote Language
68
Chapter 3 : Remote Operation
69
Introduction
69
What Is Automation Xpress
69
Interface Bus (GPIB) or RS
69
Computer Interfaces
70
SCPI Command Set
71
SCPI Command Format
71
SCPI Command Subsystems
72
Output Subsystem
72
Source Subsystem - CW Mode
72
Source Subsystem - Correction
73
Source Subsystem - List Mode
73
Status Subsystem
75
System Subsystem
75
Trigger Subsystem
76
Source Subsystem - Ramp Sweep
77
Source Subsystem- Modulation
78
IEEE 488.2 Common Commands
81
2500A Specific Commands
82
Status Register System
83
Status Byte (STB) and Service Request Enable (SRE)
84
Registers
84
Standard Event Status (ESR) and Standard Event Status
84
Enable (ESE) Registers
84
Questionable Status Condition and Enable Registers
85
List Mode Operation
86
Example: List Mode
86
Specifications & Performance Verification
89
Models
89
Specifications
89
Frequency
89
Frequency Bands
90
Output Power
91
Spectral Purity
92
List Mode
93
Amplitude Modulation
94
Frequency Modulation
94
Pulse Modulation
94
External ALC
95
Internal Modulation Generator
96
4.2.10 General Specifications
97
Performance Verification
98
Recommended Equipment
98
Performance Tests: All 2500A Series
99
Frequency Range, Resolution & Accuracy
99
Spectral Purity Tests
100
RF Output Power Tests
101
Performance Tests: 2500A Series
104
Amplitude Modulation Tests
104
Frequency Modulation Tests
107
Pulse Modulation Tests
109
Internal Modulation Generator Tests
114
2500A Series Test Datasheets
116
Accessories & Options
123
Introduction
123
List of Accessories and Options
123
Appendix A: a Ccessories & Options
125
Appendix B: Error Messages
125
Start-Up Error Messages
125
NVRAM Messages
126
NVRAM Reset Due to a Firmware Upgrade
127
NVRAM Reset Due to a Battery Failure
127
NVRAM Reset Due to a Checksum Failure
127
Remote Error Messages
128
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Giga-tronics 2508A Specifications
General
Frequency Range
10 MHz to 8 GHz
Frequency Resolution
0.001 Hz
Output Power
+13 dBm
Harmonics
-25 dBc
Spurious
-60 dBc
Interface
GPIB
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