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mermaid ventura 150 TFT x4 - User manual Version 1.1
P/N: 20-1700-00456 Page 17 of 24
Appendix C. Technical Specifications
Input Video and sync signal
Item Description Notes
Input
• Type: Analog RGB
• Level: 0.7Vp-p ±5%
• Polarity: Positive Bright
• Impedance: 75Ω±5% (Terminated)
VESA
Compliance
Resolution • Optimum: 1024x768@60Hz
• Maximum: 1280x1024@60Hz
Down Scaling
mode
Horizontal
Frequency
• 30-61KHz (normal mode)
• 30-75KHz (Failure Safe mode)
Vertical
Frequency
• 55-75Hz (normal mode)
• 55-75Hz (Failure Safe mode)
Applicable
Bandwidth
• Typical: 95MHz (1024x768@85Hz)
• Max: 108MHz (1280x1024@60Hz)
Depends on ADC
specification
Video
Sync
Signal
• Type: Separate H/V sync, Composite H/V
Sync, Sync-on-green (SOG)
• Level: TTL level (V high ≤2.0V, V low ≤0.8V)
• Polarity: Positive or negative
• Termination resistance: more than 2KΩ
Input
• Type: Separate H/V sync, Composite (SOG) Sync-on-
green
• Level: TTL level (V high ≤2.0V, V low ≤0.8V)
• Polarity: Positive or negative
Horizontal
Frequency
• 30-61 KHz (normal mode)
• 30-69 KHz (Failure Safe mode)
Sync
Vertical
Frequency
• 55-75Hz (normal mode)
• 55-75Hz (Failure Safe mode)