Tektronix 1780-R 1780R-Series Operators Manual 519, Table 59: Vectorscope SCH Phase Display (Cont.), Table 510: CRTs and High Voltage Supplies , 1780R-Series Operators Manual 519, Table 59: Vectorscope SCH Phase Display (Cont.), Table 510: CRTs and High Voltage Supplies

Specifications
1780R-Series Operator’s Manual 5–19
Table 5–9: Vectorscope SCH Phase Display (Cont.)
Characteristics Supplemental
Information
Performance
Requirements
Input Timing Stable display with any time
relationship between sig-
nals on CH A, CH B, and
EXT.
Display Range
Ext Reference 360_.
Int Reference ±70_.Typically >80_.
Table 5–10: CRTs and High Voltage Supplies
Characteristics Performance
Requirements Supplemental Information
Waveform Monitor
Viewing Area 80 × 100 mm. Horizontal
Scale 12.5 Divisions. Verti-
cal Scale 170 IRE (NTSC),
1.19 volts (PAL).
Accelerating Potential Nominally 20 kV.
Orthogonality ±1_.
Trace Rotation Range ≥±1_ from horizontal. Typical adjustment range is
≈8_.
Vectorscope
Viewing Area 80 × 100 mm.
Accelerating Potential Nominally 13.75 kV.
Orthogonality ±1_.
Specifications
1780R-Series Operator’s Manual 5–19
Table 5–9: Vectorscope SCH Phase Display (Cont.)
Characteristics Supplemental
Information
Performance
Requirements
Input Timing Stable display with any time
relationship between sig-
nals on CH A, CH B, and
EXT.
Display Range
Ext Reference 360_.
Int Reference ±70_.Typically >80_.
Table 5–10: CRTs and High Voltage Supplies
Characteristics Performance
Requirements Supplemental Information
Waveform Monitor
Viewing Area 80 × 100 mm. Horizontal
Scale 12.5 Divisions. Verti-
cal Scale 170 IRE (NTSC),
1.19 volts (PAL).
Accelerating Potential Nominally 20 kV.
Orthogonality ±1_.
Trace Rotation Range ≥±1_ from horizontal. Typical adjustment range is
≈8_.
Vectorscope
Viewing Area 80 × 100 mm.
Accelerating Potential Nominally 13.75 kV.
Orthogonality ±1_.