Model
3580A
Table
of
Contents
TABLE
OF
CONTENTS
Section Page
I.
GENERAL INFORMATION
..............
1-1
1-1. Description . . . . . . . . . . . . . . . . . . . .
1-1
1-4. Specifications
...................
1-1
1-7. Options
.......................
1-1
1-9. Warranty Exceptions
.............
1-1
l-l
l.
Accessories Supplied . . . . . . . . . . . . . .
1-1
1-13. Accessories Available
..............
1-1
1-15. Instrument and Manual Identification . . . l
-1
Section Page
II. INSTALLATION
.....................
2-1
2-l.
Introduction. . . . . . . . . . . . . . . . . . . .
2-1
2-3. Initial Inspection. . . . . . . . . . . . . . . . .
2-1
2-5. Power Requirements
..............
2-1
2-7. Power Cords and Receptacles . . . . . . .
2-1
2-9. Grounding Requirements
...........
2-1
2-12. Environmental Requirements
.........
2-1
2-13. Operating and Storage Temperature
(Standard 3580A)
..............
2-1
2-14. Operating and Storage
Temperature (Option
001)
........
2-1
2-15. Installation
.....................
2-1
2-17. Repackaging for Shipment
..........
2-1
Section Page
III. OPERATING INSTRUCTIONS
............
3-1
3-1. Introduction. . . . . . . . . . . . . . . . . . . .
3-1
3-3.
About
the Spectrum Analyzer
........
3-1
3-6. Operating Features
..............
3-1
3-8. Controls, Connectors and Indicators
....
3-1
3-10. General Operating Information
.......
3-1
3-11.
Input
Cable Requirements
.........
3-1
3-13.
Input
Impedance
...............
3-4
3-16.
Input
Constraints . . . . . . . . . . . . . . . 3-4
3-20. Grounding
....................
3-4
3-24. Ground Loops . . . . . . . . . . . . . . . . . 3-5
3-28. Measurement Configurations
........
3-5
3-32. Amplitude Modes . . . . . . . . . . . . . . . 3-6
3-34. Absolute/Relative Measurements
.....
3-6
3-37. Overload Indicator
..............
3-7
3-39. Maximum
Input
Level
............
3-7
3-41. Sensitivity
....................
3-8
3-49. Dynamic Range . . . . . . . . . . . . . . . . 3-8
3-51. Amplitude Measurements
3-66.
3-72.
3-77.
3-80.
3-96.
3-103.
3-108.
(Linear Mode) . . . . . . . . . . . . . . . . 3-8
Amplitude Measurements
(Log Mode)
.................
.3-ll
Amplitude Accuracy
............
.3-11
In tern al Cal. Signal . . . . . . . . . . . . .
.3-
l 2
Bandwidth Setting
.............
.3-12
Frequency Setting
..............
.3-l 5
Frequency Span Setting
..........
.3-15
Frequency
Out
of
Range
.........
.3-16
Section Page
3-113. Sweep Modes
..................
3-16
3-132. Sweep Time and Sweep Rate
........
3-18
3-143. External Triggering
..............
3-19
3-147. Adaptive Sweep
................
3-20
3-158. Digitally-Stored Display
..........
.3-22
3-163. Recorder
Outputs
..............
.3-22
3-171. Tracking Oscillator
Output.
.......
.3-23
3-175. Tracking Oscillator
Input
.........
.3-24
3-178. L.O.
Output.
..................
3-24
3-182. Option 001
...................
3-24
3-187.
Option
002
..................
.3-25
3-191. Basic Operating Procedures
..........
3-26
3-192. Instrument
Turn
On
............
.3-26
3-195. Frequency Calibration Procedure
.....
3-27
3-199. Amplitude Calibration Procedure
..
·:
: .3-27
3-203.
Input
Probe Compensation
.........
3-28
3-205. Familiarization Exercise
...........
3-29
3-207. Technique for Measuring Noise
......
3-30
Section Page
IV. THEORY OF OPERATION
..............
4-1
4-1.
Introduction
....................
4-1
4-3. Simplified Block Diagram Description
...
4-1
4-5. Amplitude Section
................
4-1
4-16. Frequency and Sweep Section
.......
4-2
4-22. Digital Storage Section
............
4-2
4-27. Functional Description
.............
4-2
4-28. Amplitude Section
..............
4-2
4-67. Frequency and Sweep Section
.......
4-8
4-112. Digital Storage and Display Sections
..
.4-16
Section Page
V. MAINTENANCE
......................
5-1
5-1.
Introduction
....................
5-1
5-3. Recommended Test
Equipment
.......
5-1
5-5. Performance Tests . . . . . . . . . . . . . . . .
5-1
5-7. Test Card
....................
5-1
5-9. Frequency
Tests.
. . . . . . . . . . . . . . .
5-1
5-13. Sweep Tests
...................
5-3
5-18. Amplitude Tests
................
5-4
5-28. Bandwidth Tests
................
5-8
5-30. Dynamic Range Tests (Noise Tests)
...
5-9
5-36.
IF
Feedthru
and Zero Beat
Response Tests
...............
.5-12
5-38.
Input
Impedance Tests
...........
.5-12
5-40.
Output
Tests
..................
5-13
5-44. Balanced
Input
Tests
(Option
002
only)
.............
.5-14
5-48. Adjustment Procedure
.............
5-16
5-50. Test
Point
and Adjustment Locations
...
5-16
5-53. Power Supply Tests and Adjustments
..
.5-16
v