47
Composite Sync. & Video (Sync. on Green)
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VERTICAL |
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Recommended Sync Signal Timing |
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| Sync. Polarity: Negative |
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Horizontal Duty should be 3 to 30%. |
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Horizontal sync width should exceed 0.9 μsec. |
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Horizontal back porch should exceed 2.0 μsec at sync on green and 1.2 μsec at others except when at 15KHz.
Horizontal blanking should exceed: 15.75; 10μsec, 31KHz< fH<66KHz: 3.6 μsec, 66KHz<fH: 2.7 μsec.
Vertical Duty should be 0.2 to 10%.
Vertical sync width should exceed 40 μsec or 2 horizontal lines.
Vertical sync width plus back porch should exceed 0.4 msec.
Interlaced signals are not recommended.
Interlaced signals with composite sync may not be displayed.
48