Horizontal Frequency

NC240

DISPLAY MODE	HORIZONTAL	VERTICAL	PIXEL CLOCK (MHZ)	SYNC POLARITY (H/
DISPLAY MODE	FREQUENCY (KHZ)	FREQUENCY (HZ)	PIXEL CLOCK (MHZ)	V)
	FREQUENCY (KHZ)	FREQUENCY (HZ)		V)

IBM, 640 x 350	31.469	70.086	25.175	+/-

IBM, 720 x 400	31.469	70.087	28.322	-/+

MAC, 640 x 480	35.000	66.667	30.240	-/-

MAC, 832 x 624	49.726	74.551	57.284	-/-

MAC, 1152 x 870	68.681	75.062	100.000	-/-

VESA, 640 x 480	31.469	59.940	25.175	-/-

VESA, 640 x 480	37.861	72.809	31.500	-/-

VESA, 640 x 480	37.500	75.000	31.500	-/-

VESA, 800 x 600	35.156	56.250	36.000	+/+

VESA, 800 x 600	37.879	60.317	40.000	+/+

VESA, 800 x 600	48.077	72.188	50.000	+/+

VESA, 800 x 600	46.875	75.000	49.500	+/+

VESA, 1024 x 768	48.363	60.004	65.000	-/-

VESA, 1024 x 768	56.476	70.069	75.000	-/-

VESA, 1024 x 768	60.023	75.029	78.750	+/+

VESA, 1152 x 864	67.500	75.000	108.000	+/+

VESA, 1280 x 800	49.702	59.810	83.500	-/+

VESA, 1280 x 800	62.795	74.934	106.500	-/+

VESA, 1280 x 960	60.000	60.000	108.000	+/+

VESA, 1280 x 1024	63.981	60.020	108.000	+/+

VESA, 1280 x 1024	79.976	75.025	135.000	+/+

VESA, 1440 x 900	55.935	59.887	106.500	-/+

VESA, 1440 x 900	70.635	74.984	136.750	-/+

VESA, 1600 x 1200	75.000	60.000	162.000	+/+

VESA, 1680 x 1050	65.290	59.954	146.250	-/+

VESA, 1920 x 1080	67.500	60.000	148.500	+/+

The time taken to scan one line from the left-most position to the right-most position on the screen is called the horizontal cycle and the reciprocal of the horizontal cycle is called the horizontal frequency. The horizontal frequency is represented in kHz.

Vertical Frequency

A panel must display the same picture on the screen tens of times every second so that humans can see the picture. This frequency is called the vertical frequency. The vertical frequency is represented in Hz.

Using the product

3-4

LF24PPBCB/ZA, LF19PPBCB/XY, LF24PPBCB/EN, LF24PPBCB/XJ, LF19PPBCB/XJ specifications

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