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Tektronix 2221A Storage Oscilloscope Manuals
Manuals and User Guides for Tektronix 2221A Storage Oscilloscope. We have
2
Tektronix 2221A Storage Oscilloscope manuals available for free PDF download: User Manual
Tektronix 2221A User Manual (170 pages)
Digital Storage Oscilloscope
Brand:
Tektronix
| Category:
Test Equipment
| Size: 8 MB
Table of Contents
Table of Contents
7
Welcome
15
Product Description
15
Safety
17
Symbols and Terms
17
Specific Precautions
18
Start up
19
Installation & Power on
19
Figure 1-1: Installing the Power Cord
19
Initial Setup
20
Setting up the Display
20
Table 1-1: Basic Analog Display Setup
20
Adjusting Trace Rotation
21
Figure 1-2: Initial Setup Display
21
Checking the Probe Compensation
22
Figure 1-3: Checking Probe Compensation
22
Installing the Accessory Pouch
23
Figure 1-4: Installing the Accessory Pouch
23
Using the Power Cord Wrap
24
Figure 1-5: Using the Power Cord Wrap
24
Front Panel
25
Figure 2-1: Front Panel Control Sections
25
Figure 2-2: Front Panel View - Left Side
26
Figure 2-4: Power Switch
28
Power Switch
29
CRT Display
29
Figure 2-5: CRT Graticule
29
Display Mode
30
Figure 2-6: Analog (NON-STORE) Mode Display
30
Figure 2-7: Digital (STORE) Mode Display
31
CRT Display Controls
32
Figure 2-8: CRT Display Controls
32
Vertical Controls and Connections
34
Figure 2-10: Vertical Controls and Connections (Cont.)
36
Figure 2-11: Horizontal Controls
38
Horizontal Controls
38
Figure 2-12: Trigger Controls
40
Trigger Controls
40
Figure 2-13: Trigger Controls (Cont)
42
Cursor Controls
44
Figure 2-14: Cursor Controls
44
Acquisition Controls
45
Figure 2-15: Acquisition Controls
45
Figure 2-16: Save Reference Memory Buttons
46
Save Reference Memory Buttons
46
Figure 2-17: 1K Two-Channel Acquisition, Memory Location 1
47
Figure 2-18: 4K Two-Channel Acquisition, Memory Location 4K
47
Figure 2-19: Setup Buttons
49
Setup Menus
49
Figure 2-20: Setup Menu Example (Display)
50
Figure 2-21: Acquisition Menu
50
Acquisition Menu
50
Display Menu
52
Figure 2-22: Display Menu
52
Figure 2-23: Plot Menu
53
Plot Menu
53
Advanced Functions Menu
54
Figure 2-24; Advanced Functions Menu
54
Figure 2-25: Save Setup Menu
55
Displaying Signals
57
Applying Signals to the Vertical Inputs
57
Connecting Signals
57
Figure 3-1: Input Connection and Coupling Switch
57
Coupling Signals
58
Precharging the Signal Input
58
Building a Basic Display
59
Presetting the Controls
59
Selecting the Display Mode (STORE/NON-STORE)
59
Selecting the Trigger Mode
60
Selecting the Horizontal Mode and Scale
60
Selecting the Vertical Mode and Scale
61
Figure 3-2: Horizontal Display Controls
61
Setting the Display Intensity and Focus
62
Figure 3-3: Vertical Display Controls
62
Finding "Lost" Displays
63
Figure 3-4: CRT Display Controls
63
Digitizing Signals
64
Figure 3-5: Beam Find
64
Selecting the Acquisition Mode
65
Selecting the High-Speed Storage Mode
65
Selecting Siow-Speed Storage Modes
65
Viewing Slowly Occurring Events
66
Capturing Random Events
68
Accumulating Signal Peaks (ACCPEAK)
69
Detecting Signal Glitches
69
Figure 3-8: Accumulate Peak Mode Display
69
Averaging Signals
70
Sampling Signals
70
Figure 3-9: Peak Detect Mode Display
70
Figure 3-10: Average Mode Display
70
Clocking Acquisitions
71
Selecting the Acquisition Record Length (1K/4K)
71
Figure 3-11; Sample Mode Display
71
Figure 3-12: Acquisition Window Indicator
71
Compressing the Acquisition Record Length (4K Compress)
72
Figure3-13: 4K Acquisition, IK Window
72
Figure 3-14: Compressed 4K Acquisition
72
Positioning the Acquisition Record
73
Figure 3-15: Pretrigger Acquisition
73
Figure 3-16: Midtrigger Acquisition
73
Preventing Signal Aliases
74
Figure 3-17: Posttrigger Acquisition
74
Displaying Magnified Sweeps
75
Using the X10 Magnifier
75
Displaying Two Channels
76
Comparing Two Signals
76
Subtracting Signals or Signal Components {Common Mode Rejection)
76
Figure 3-19: Rejecting Common Mode Signal
77
Displaying X-Y Patterns
78
Figure 3-20: Selecting the X-Y Mode
78
Figure 3-21: X-Y Phase Relationships
79
Figure 3-22: X-Y Frequency Relationships
79
Figure 3-23: External Z-Axis Connection
80
Limiting Bandwidth
80
Modulating the Display Intensity
80
Triggering on Signals
81
Triggering on Repetitive Signals
81
Figure 3-24: Repetitive Sine Wave
81
Triggering on Low-Frequency Signals
82
Triggering on Random or Infrequent Events
82
Figure 3-25: Low-Frequency Signal in the STORE Mode
82
Triggering on Complex or Non-Repetitive Signals
83
Triggering on Line Frequency
83
Figure 3-26: Channel 1 Signal Triggered with Channel 2
83
Triggering with an External Signal
84
Triggering on TV Signals
84
Figure 3-27: Multi-Burst Signal Triggered in TV Line
84
Figure 3-28; Multi-Burst Signal Triggered in TV Field
85
Removing Unwanted Trigger Signal Components
85
Measuring Signals
87
Measuring with the Graticule
87
Measuring with STORE Mode Cursors
87
Figure 3-29: Measuring with the CRT Graticule
87
Positioning the Cursors
88
Measuring Voltage
88
Figure 3-30: Cursor Measurements
88
Measuring Voltages in Reference to G Round
89
Figure 3-31: Peak-To-Peak Measurement
89
Figure 3-32: DC Component of AC Signal
90
Figure 3-33: Ground-Referenced Voltage Measurement
90
Measuring Time with the Graticule or Cursors
91
Figure 3-34: Measuring DC Levels with Cursors
91
Measuring Frequency
92
Figure 3-35: Period Measurement
92
Measuring Rise Time and Fail Tim E
93
Figure 3-36: Cursor Frequency Measurement
93
Figure 3-37: Measuring Rise Time
93
Measuring Trigger Level
94
Measuring Phase Difference
94
Figure 3-39: Measuring Phase Difference
95
Figure 3-40: Phase Difference in X I0 Magnification
96
Saving Waveforms and Setups
97
Saving and Recalling Waveforms
97
Saving the Current Acquisition
97
Saving Waveforms in SAVE REF Memory
97
Recalling a Waveform from SAVE REF
98
Comparing Saved Waveforms
98
Saving and Recalling Setups
98
Saving a Setup
98
Figure 3-41: SAVE REF Memory Buttons
98
Recalling a Setup from Memory
99
Recalling a Power up State
99
Transmitting Waveforms
101
Communicating Via Interface Options
101
Figure 3-42: RS-232 Interface (Option 12)
101
Plotting or Printing a Waveform
102
Figure 3-44: Auxiliary Connection
102
Figure 3-45: Plot Menu
103
Appendix A: Options and Accessories
105
Options
105
Table A-1: International Power Cords
105
Table A-2: Standard Accessories
106
Standard Accessories
107
Other Accessories
107
Table A-3: Optional Accessories
107
Appendix B: Specification
109
General Product Description
109
Options and Accessories
111
Performance Conditions
111
Characteristic Tables
112
Table A-4: Electrical Characteristics
112
Figure A-1; Maximum Input Voltage Versus Frequency Derating Curve
125
Table A-5: Environmental Characteristics
126
Table A-6: Physical Characteristics
127
Figure A-2: Physical Dimensions of the 2221A Digital Storage Oscilloscope
128
Appendix C: Performance Verification
129
General Information
129
Purpose
129
Performance Check Interval
129
Structure
129
Limits and Tolerances
129
Test Equipment Required
130
Table A-7: Test Equipment Required
130
Procedures
132
Initial Setup Procedure
132
Vertical System Checks
132
Table A-8: Deflection Accuracy Limits
134
Table A-9: Storage Deflection Accuracy
135
Table A-10: Settings for Bandwidth Checks
137
Horizontal System Checks
141
Table A-11: Settings for Timing Accuracy Checks
143
Trigger System Checks
147
Table A-12: Switch Combinations for Triggering Checks
148
External Z-Axis, Probe Adjust, External Clock, and X-Y Plotter Checks
153
Appendix D: Storage Modes
157
Table A-13: Storage Modes
157
Glossary
159
Index
165
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Tektronix 2221A User Manual (170 pages)
Digital Storage Oscilloscope
Brand:
Tektronix
| Category:
Test Equipment
| Size: 4 MB
Table of Contents
Related Manuals
5
Glossary and Index
10
Table of Contents
11
List of Figures
11
List of Tables
13
Product Description
15
Symbols and Terms
17
Specific Precautions
18
Installation
19
Flat Washer
19
Figure 1-1: Installing the Power Cord
19
Setting up the Display
20
Figure 1-4: Installing the Accessory Pouch
23
Front Panel
25
Display Mode
30
Figure 2-7: Digital (STORE) Mode Display
31
Trigger Controls
40
Figure 2-13: Trigger Controls (Cont)
42
Figure 2-14: Cursor Controls
44
Figure 2-15: Acquisition Controls
45
Figure 2-18: 4K Two-Channel Acquisition, Memory Location 4K
47
Figure 2-19: Setup Buttons
49
Figure 2-20: Setup Menu Example (Display)
50
Figure 2-21: Acquisition Menu
50
Figure 2-22; Display Menu
52
Figure 2-24: Advanced Functions Menu
54
Select Setup
55
Displaying Signals
57
Applying Signals to the Vertical Inputs
57
Figure 3-1: Input Connection and Coupling Switch
57
Connecting Signals
57
Coupling Signals
58
Building a Basic Display
59
Selecting the Trigger Mode
60
Selecting the Horizontal Mode and Scale
60
Figure 3-2: Horizontal Display Controls
61
Selecting the Vertical Mode and Scale
61
Figure 3-3: Vertical Display Controls
62
Figure 3-4: CRT Display Controls
63
Finding "Lost" Displays
63
Figure 3-5: Beam Find
64
Selecting the Acquisition Mode
65
Selecting the High-Speed Storage Mode
65
Viewing Slowly Occurring Events
66
Detecting Signal Glitches
69
Figure 3-9: Peak Detect Mode Display
70
Figure 3-10: Average Mode Display
70
Clocking Acquisitions
71
Selecting the Acquisition Record Length (1K/4K)
71
Positioning the Acquisition Record
73
Preventing Signal Aliases
74
Using the X10 Magnifier
75
Limiting Bandwidth
80
Triggering on Signals
81
Triggering with an External Signal
84
Measuring Signals
87
Measuring with the Graticule
87
Positioning the Cursors
88
Measuring Voltage
88
Measuring Voltages in Reference to Ground
89
Measuring Time with the Graticule or Cursors
91
Saving and Recalling
97
Saving Waveforms and Setups
97
Option 12: Rs-232-C Interface
105
Other Accessories
107
Appendix B: Specification
109
User Interface
110
Performance Conditions
111
Characteristic Tables
112
Vertical Deflection System
112
Horizontal Deflection System
118
Appendix C: Performance Verification
129
Limits and Tolerances
129
Initial Setup Procedure
132
Horizontal System Checks
141
Appendix D: Storage Modes
157
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