Contents
1720/1721
v
List of Figures
Figure 2-1: Control and indicator locations. 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-2: 1720/1721 rear panel. 2–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-3: Signal connection for the Operator’s Checkout Procedure. 2–9. . . . . . . . . . . . . . . . . .
Figure 2-4: 1720/1721 typical vector display. 2–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-5: Modulated staircase waveform shown on a 1721. 2–10. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-6: Color bar and modulated staircase signals both displayed on a 1721. 2–11. . . . . . . . . .
Figure 2-7: Connection for using black burst signal for External Reference. 2–12. . . . . . . . . . . . . .
Figure 2-8: 1720/1721 test circle display. 2–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-9: NTSC standard color phase Vector diagram. 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-10: PAL standard color phase Vector diagram. 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-11: Partial 1720 graticule showing the 75% amplitude burst target. 2–16. . . . . . . . . . . . . .
Figure 2-12: Partial 1721 graticule showing the 75% amplitude burst target. 2–17. . . . . . . . . . . . .
Figure 2-13: Fine detail of the 1720 graticule magenta target. 2–18. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-14: Fine detail of the 1721 graticule target. 2–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-15: Simulated 1720 graticule showing the relationship between amplitudes on the
I and Q modulation axes and the location of the color vector targets. 2–19. . . . . . . . . .
Figure 2-16: Simulation of a 1721 graticule showing the relationship between amplitudes
on the U and V axes and the locations of the color vector targets. 2–20. . . . . . . . . . . .
Figure 2-17: A simulation of a part of the 1720 graticule showing the differential phase and
gain measurement scales with approximately 10° differential Phase (dP). 2–21. . . . . .
Figure 2-18: Simulation of the 1721 Differential Gain and Phase graticule showing
approximately 10% differential Gain (dG). 2–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-1: Plug jumper locations.. 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-2: 1720/1721 REMOTE connector pins with their functions. 3–3. . . . . . . . . . . . . . . . . .
Figure 3-3: 1720/1721 AUXILIARY connector pins with their functions. 3–4. . . . . . . . . . . . . . . .
Figure 3-4: 1700F00 plain cabinet. 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-5: 1700F02 portable cabinet. 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-6: Cabinet securing screws. 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-7: 1700F05 rack adapter. 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-8: 1700F05 rack adapter adjustment. 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-9: 1720/1721 and 1700F06 blank panel. 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-10: Typical custom installation showing the console. 3–9. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-1: Simple block diagram of a 1720/1721 Vectorscope. 4–3. . . . . . . . . . . . . . . . . . . . . . . .
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