Doremi Labs HDVI-20d 사용자 설명서 - 페이지 9

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4 Supported Output Resolutions

The HDVI-20d supports all progressive scan resolutions up to 1920x1200; it also outputs 1080i for

TV sets.

Input

Resolution

HD-SDI

All HD formats, NTSC, PAL, 2K-psf, 2K-p and 720p-50, 422 (Link-A) or 444

(Links A and B)

SD-SDI

NTSC, PAL (Link-A)

DVI-D

All DVI-D interlaced and progressive scan formats up to 1920x1200

DVI-A

All DVI-A RGB analog formats up to 1920x1200

YPbPr not supported on this input

Analog input sources can be noisy and jittery. We strongly recommend using the digital inputs

whenever possible. If you have to use the analog input, make sure your timing is compliant with the

CEA-861-B standard, especially for 1920x1080p @ 60 Hz. These are the Guidlines for DVI-A inputs :

1. The timing must comply with the standards : VESA or CEA

2. The Pixel Clock should be less than 165MHz

For 1920x1080, the timing must comply with CEA-861B that yields a pixel clock of 148.5 MHz.

For 1920x1200, the timing must comply with VESA or CEA, the total number of pixels must be less

than 2200 and the pixel clock must be lower than 165MHz.

The pixel clock P is equal to:

P = total_horizontal_size x total_vertical_size x refresh.

For a 1024*768 at 85 Hz:

total_horizontal_size = 1376 (1024 pixels + horizontal blanking)

total_vertical_size = 808 (768 + horizontal blanking)

refresh = 85

P = 1376 * 808 * 85

P = 94503680 Hz

P = 95.5 MHz