Tektronix TekRanger 2 TFS3031, Service Manual

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Table of Contents
iv
TFS3031 TekRanger/TekRanger 2 Service Manual
List of Figures
Figure 1–1: Connector Adapter Installation 1–6 . . . . . . . . . . . . . . . . . . . . .
Figure 1–2: NiCad Battery Recharging Setup 1–13 . . . . . . . . . . . . . . . . . . .
Figure 1–3: NiCad Battery Removal 1–15 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–1: System Block Diagram 2–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: Singlemode Event-Detection Test Fixture Layout 3–6 . . . . . .
Figure 3–2: Scatter Plot for 50 m Event 3–8 . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–3: Singlemode Dead-Zone Test Fixture 3–11 . . . . . . . . . . . . . . . . .
Figure 3–4: Desired OTDR Signature 3–12 . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–5: Multimode Dynamic-Range Test Fixture 3–14 . . . . . . . . . . . . .
Figure 3–6: Multimode Event-Detection and Dead-Zone Test
Fixture 3–15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–7: Multimode Event-Detection and Dead-Zone Test
Fixture: OTDR Trace 3–16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: TFS3031 Range Test Fixture 4–6 . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–2: Singlemode Dead-Zone Test Fixture 4–7 . . . . . . . . . . . . . . . . .
Figure 4–3: TFS3031 Singlemode Reflectance Test Fixture 4–9 . . . . . . . .
Figure 4–4: TFS3031 Singlemode Loss and Distance Accuracy
Test Fixture 4–10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–5: Multimode Dynamic-Range Test Fixture 4–11 . . . . . . . . . . . . .
Figure 4–6: Multimode Event-Detection and Dead-Zone Test
Fixture 4–12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–7: Multimode Event-Detection and Dead-Zone Test
Fixture: OTDR Trace 4–13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–8: Scatter Plot for 50 m Event 4–14 . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–9: Singlemode Dynamic-Range Test Waveform, Longest
Pulse Width 4–23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–10: Singlemode Dynamic-Range Check, Longest Pulse
Width, Zero Intercept 4–24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–11: Singlemode Dynamic-Range Check, Longest Pulse
Width, 98% Noise Level 4–25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–12: Singlemode Dynamic-Range Test Waveform, 500-m
Pulse Width 4–27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–13: Singlemode Dynamic-Range Check, 500-m Pulse
Width, Zero Intercept 4–28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .