Tektronix 1502C Service Manual

Contents
1502C MTDR Service Manual
iii
List of Figures
Figure 1–1: Rear Panel Voltage Selector, Fuse, AC Receptacle 1–1. . . . .
Figure 1–2: Display Showing Low Battery Indication 1–4. . . . . . . . . . . .
Figure 1–3: 1502C Front-Panel Controls 1–5. . . . . . . . . . . . . . . . . . . . . .
Figure 1–4: Display and Indicators 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–5: Vp Set at .30, Cursor Beyond Reflected Pulse
(Set Too Low) 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–6: Vp Set at .99, Cursor Less Than Reflected Pulse
(Set Too High) 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–7: Vp Set at .66, Cursor at Reflected Pulse (Set Correctly) 1–12
Figure 1–8: 20-ft Cable at 5 ft/div 1–13. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–9: Short in the Cable 1–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–10: Open in the Cable 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–11: 455-ft Cable 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–12: 455-ft Cable 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–13: Reflection Adjusted to One Division in Height 1–15. . . . . . .
Figure 1–14: Return Loss 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–15: Ohms-at-Cursor 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–16: Display with VIEW INPUT Turned Off 1–18. . . . . . . . . . . . .
Figure 1–17: Display of a Stored Waveform 1–19. . . . . . . . . . . . . . . . . . . .
Figure 1–18: Display of a Stored Waveform 1–19. . . . . . . . . . . . . . . . . . . .
Figure 1–19: Waveform Moved to Top Half of Display 1–20. . . . . . . . . . . .
Figure 1–20: Current Waveform Centered, Stored Waveform Above 1–20.
Figure 1–21: Current Waveform Center, Stored Waveform Above,
Difference Below 1–21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–22: Waveform of Three-Foot Lead-in Cable 1–22. . . . . . . . . . . . .
Figure 1–23: Cursor Moved to End of Three-Foot Lead-in Cable 1–22. . . .
Figure 1–24: Cursor Moved to End of Three-Foot Lead-in Cable 1–23. . . .
Figure 1–25: Cursor Moved to 0.00 ft 1–23. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–26: Incident Pulse at Three Divisions 1–24. . . . . . . . . . . . . . . . . .
Figure 1–27: Waveform of Short 75 W Cable 1–24. . . . . . . . . . . . . . . . . . . .
Figure 1–28: Waveform Centered and Adjusted Vertically 1–25. . . . . . . . .
Figure 1–29: Cursor Moved to Desired Position 1–25. . . . . . . . . . . . . . . . .
Figure 1–30: Waveform Viewed in Normal Operation 1–26. . . . . . . . . . . . .
Figure 1–31: Waveform Showing Intermittent Changes 1–26. . . . . . . . . . .
Figure 1–32: Waveform Display with No Outgoing Pulses 1–27. . . . . . . . .
Figure 1–33: A Captured Single Sweep 1–28. . . . . . . . . . . . . . . . . . . . . . . .
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Tektronix 1502C Specifications

General

Brand	Tektronix
Model	1502C
Category	Measuring Instruments
Language	English