List of Figures
List of Figures
Figure 1: Diagram of the front panel of the CT100 / CT100HF......................................................12
Figure 2: Diagram of the rear panel of the CT100 / CT100HF.......................................................15
Figure 3: Screenshot showing typical features of the CT100 display.............................................17
Figure 4: Screenshot showing AUTOFIT result..............................................................................33
Figure 5: Screenshot showing Vp determination............................................................................34
Figure 6: AUTOFIT cable................................................................................................................35
Figure 7: After adjusting the vertical scale......................................................................................36
Figure 8: A zoomed-in view of the cable fault.................................................................................36
Figure 9: An open cable fault..........................................................................................................37
Figure 10: A short cable fault..........................................................................................................37
Figure 11: An open cable fault at 1000 ft........................................................................................38
Figure 12: A 50 Ω to 75 Ω BNC to SMA interconnect.....................................................................41
Figure 13: Screenshots showing selection of a live trace...............................................................42
Figure 14: Saving a trace................................................................................................................43
Figure 15: Loading a trace..............................................................................................................44
Figure 16: Difference trace..............................................................................................................46
Figure 17: First-derivative plot.........................................................................................................47
Figure 18: CT100 complete mechanical and electrical assembly..................................................62
Figure 19: CT207 (power) subassembly.........................................................................................63
Figure 20: CT208 (analog) subassembly........................................................................................64
Figure 21: CT209 (back panel) subassembly.................................................................................65
Figure 22: CT290 (front panel) subassembly.................................................................................66
Figure 23: CT290HF (front panel) subassembly.............................................................................67
Figure 24: Trace preparation for rise time measurement...............................................................72
Figure 25: Cursor placement for determination of 10-90% rise time..............................................73
Figure 26: Example of an incomplete capacitive calibration...........................................................83
Figure 27: Example of a correctly set capacitive calibration...........................................................84
Figure 28: Typical trace from a CT100 with a shorting terminator applied to the test port.............85
Figure 29: Hybrid Comp adjustment with open BNC and cursor at the reflected rise....................85
Figure 30: Hybrid Comp adjustment with open terminator, detail...................................................86
Figure 31: Hybrid Comp adjustment with the shorting terminator..................................................86
Figure 32: Hybrid Comp adjustment with the shorting terminator, detail........................................87
Figure 33: Identification of cable start position...............................................................................88
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