Tektronix TDS 340A

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Operating Basics

2–14

TDS 340A, TDS 360 & TDS 380 User Manual

3. Check that the waveform indicates correct compensation (see Figure 2–6). If

the waveform indicates over or undercompensation, use the alignment tool

provided with the probe to adjust the compensation as shown in Figure 2–7.

Probe compensated correctly

Probe overcompensated

Probe undercompensated

Figure 2–6: How probe compensation affects signals

Compensation adjustment

Figure 2–7: Location of probe compensation adjustment

Main Page

Table of Contents5
General Safety Summary11
- Safety Terms and Symbols12
- Certifications and Compliances13
- General Care15
Appendix D: General Care and Cleaning15
Getting Started19
Start up20
Figure 1-1: the ON/STBY Button21
Line Fuse Replacement21
Figure 1-2: Line Fuse Removal22
Self Test23
Figure 1-3: Verifying Adjustments and Signal Path Compensation24
Figure 1-4: Hookup for Functional Test25
Display and Power Controls31
Vertical Controls32
Horizontal Controls33
Trigger Controls34
Miscellaneous Controls35
Display Map36
Inputs37
Rear-Panel Connectors38
Using the Menu System39
Figure 2-1: Using Menus40
Figure 2-2: a Pop-Up Menu41
Figure 2-3: Connecting a Probe42
Using the Probes42
Figure 2-4: Probe Compensation Setup43
Figure 2-5: Compensation Waveform43
Figure 2-6: How Probe Compensation Affects Signals44
Figure 2-7: Location of Probe Compensation Adjustment44
Table 2-1: Autoset Defaults45
Figure 2-8: the AUTOSET Button45
Using Autoset45
Introduction49
Figure 3-1: the VERTICAL MENU Button51
Manipulating Waveforms51
Vertical Operations51
Figure 3-2: the Vertical Menu52
Figure 3-3: Inverting a Waveform53
Figure 3-4: the HORIZONTAL MENU Button54
Figure 3-5: the Horizontal Menu54
Horizontal Operations54
Figure 3-6: the MATH Button56
Displaying Math Waveforms56
Figure 3-7: a Math Waveform57
Figure 3-8: the TRIGGER MENU Button59
Triggering59
Edge Triggering59
Figure 3-9: the Edge Trigger Menu60
Figure 3-10: the Video Trigger Menu62
Video Triggering62
Figure 3-11: the Video Scan-Rate Menu63
Figure 3-12: the MEASURE Button65
Taking Measurements65
Automated Measurements65
Figure 3-13: the Measure Menu and Active Measurements66
Table 3-1: Measurement Definitions67
Taking Measurements with Cursors69
Figure 3-14: the CURSOR Button70
Figure 3-15: the Cursor Menu70
Figure 3-16: Paired Cursor Measurements of a Sine Wave71
Controlling Acquisition73
Figure 3-17: the ACQUIRE Button73
Figure 3-18: the Acquire Menu73
Controlling the Display75
Figure 3-19: the DISPLAY Button75
Figure 3-20: the Display Menu75
Using the FFT79
Description79
Operation80
- Figure 3-21: System Response to an Impulse80
- Figure 3-22: Define FFT Waveform Menu81
- Figure 3–23: Cursor Measurement of an FFT Waveform83
- Figure 3–24: FFT Time Domain Record Vs. FFT Frequency Domain Record84
Considerations for Using Ffts84
- Figure 3–25: How Aliased Frequencies Appear in an FFT86
- Figure 3–26: Windowing the FFT Time Domain Record87
- Figure 3–27: the HARDCOPY Button89
Making Hard Copies (Option 14 Equipped Instruments Only)89
- Figure 3–29: the System I/O Menu90
- Figure 3–28: the UTILITY Button90
Configuring Hard Copy Output90
Saving a Hard Copy to Disk91
Saving and Recalling Waveforms93
Figure 3–30: the Reference Waveform Buttons93
Using Reference Waveforms93
Figure 3–31: a Reference Waveform Menu94
Using the Disk95
Figure 3–32: Save Format Menu96
Viewing a Waveform on a Spreadsheet97
- Figure 3–33: the SAVE/RECALL Button99
- Figure 3–34: the Save/Recall Menu99
Saving and Recalling Front-Panel Setups99
Using Internal Memory100
Using the Disk101
Figure 3–35: File Utilities103
Using the File System103
- Figure 3–36: File System — Labelling Menu105
- Figure 3–37: the UTILITY Button107
Using the Utility Menu107
Figure 3–38: the Utility Pop-Up Menu108
Setting the Date and Time108
- Figure 3–39: Date and Time Display109
- Table A-1: Warranted Characteristics - Signal Acquisition System113
- Warranted Characteristics113
- Table A-2: Warranted Characteristics - Time Base System114
- Table A-3: Warranted Characteristics - Triggering System115
- Table A-4: Power Requirements115
- Table A-5: Warranted Characteristics - Environmental116
Appendix A: Specifications113
- Table A-6: Typical Characteristics - Signal Acquisition System117
- Typical Characteristics117
- Table A-7: Typical Characteristics - Triggering System118
- Table A-8: Typical Characteristics - Probe Compensator Output118
- Nominal Traits119
- Table A-10: Nominal Traits - Signal Acquisition System119
- Table A-9: Typical Characteristics - Data Handling119
- Table A-11: Nominal Traits - Time Base System120
- Table A-12: Nominal Traits - Triggering System120
- Table A-13: Nominal Traits - Display System121
- Table A-14: Nominal Traits - I/O Interface Option121
- Table A-15: Nominal Traits - Power Distribution System121
- Table A-16: Nominal Traits - Mechanical Characteristics122
- Figure A–1: TDS 340A, TDS 360, and TDS 380 Dimensions123
- Table A-17: Certifications and Compliances124
Appendix B: Performance Verification125
Conventions125
- Figure B–1: Menu Locations126
- Table B-1: Test Equipment127
Test Record128
Performance Test Overview129
Signal Acquisition System Checks129
- Figure B–2: Hookup for DC Voltage Measurement Accuracy Check130
- Table B-2: DC Accuracy131
- Figure B–3: Hookup for Analog Bandwidth Check132
- Figure B–4: Measuring Analog Bandwidth133
- Figure B–5: Hookup for Sample Rate Check134
Time Base System Checks134
Trigger System Checks135
- Figure B–6: Hookup for Trigger Sensitivity Check136
- Figure B–7: Measuring Trigger Sensitivity137
Sine Wave Generator Leveling Procedure138
Figure B–8: Hookup for Sine Wave Generator Leveling139
Appendix C: Options and Accessories141
Options141
- Table C-1: VGA Output Connector Pins141
- Table C-2: International Power Cords141
- Table C-3: Language Options142
- Table C-4: Standard Accessories143
- Table C-5: Optional Accessories143
Accessory Probes144
- Table C-6: Accessory Cables144
General Care145

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