Tektronix 1502C Telescope User Manual


 
Table of Contents
1502C MTDR User Manual
iii
List of Figures
Figure 11: Rear Panel Voltage Selector, Fuse, AC Receptacle 12. . . . .
Figure 12: Display Showing Low Battery Indication 13. . . . . . . . . . . . .
Figure 13: 1502C Front-Panel Controls 15. . . . . . . . . . . . . . . . . . . . . . .
Figure 14: Display and Indicators 16. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 15: Vp Set at .30, Cursor Beyond Reflected Pulse
(Set Too Low) 113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 16: Vp Set at .99, Cursor Less Than Reflected Pulse
(Set Too High) 113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 17: Vp Set at .66, Cursor at Reflected Pulse
(Set Correctly) 113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 18: 20-ft Cable at 5 ft/div 114. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 19: Short in the Cable 115. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 110: Open in the Cable 115. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 111: 455-ft Cable 116. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 112: 455-ft Cable 116. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 113: Reflection Adjusted to One Division in Height 117. . . . . . .
Figure 114: Return Loss 118. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 115: Ohms-at-Cursor 119. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 116: Display with VIEW INPUT Turned Off 120. . . . . . . . . . . . .
Figure 117: Display of a Stored Waveform 120. . . . . . . . . . . . . . . . . . . . .
Figure 118: Display of a Stored Waveform 121. . . . . . . . . . . . . . . . . . . . .
Figure 119: Waveform Moved to Top Half of Display 122. . . . . . . . . . . .
Figure 120: Current Waveform Centered, Stored Waveform
Above 122. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 121: Current Waveform Center, Stored Waveform Above,
Difference Below 123. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 122: Waveform of Three-Foot Lead-in Cable 124. . . . . . . . . . . .
Figure 123: Cursor Moved to End of Three-Foot Lead-in Cable 124. . .
Figure 124: Cursor Moved to End of Three-Foot Lead-in Cable 125. . .
Figure 125: Cursor Moved to 0.00 ft 125. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 126: Incident Pulse at Three Divisions 126. . . . . . . . . . . . . . . . . .
Figure 127: Waveform of Short 75 ohm Cable 127. . . . . . . . . . . . . . . . . .
Figure 128: Waveform Centered and Adjusted Vertically 127. . . . . . . .
Figure 129: Cursor Moved to Desired Position 128. . . . . . . . . . . . . . . . .
Figure 130: Waveform Viewed in Normal Operation 129. . . . . . . . . . . .
Figure 131: Waveform Showing Intermittent Changes 130. . . . . . . . . . .