Samsung CF21M Specifications

2 Product Specifications

2-1 Specifications

Item				Description
Picture Tube:	21-Inch (53 cm): 20-inch (50.8 cm) viewable, 21”: 0.25 mm Dot pitch.
	Full-square tube / Perfect Flatmess, 90˚ Deflection,
	Anti-Reflection coating with Anti-electrastatic, Medium short persistence phosphor
Scanning Frequency	Horizontal : 30 kHz ~ 115 kHz
Display Colors	Unlimited colors
Maximum Resolution	Horizontal : 1800 Pixels,			Vertical : 1440 Pixels
Input Video Signal	Analog, 0.7 Vp-p positive at 75 Ω, internally terminated
Input Sync Signal	Separate Sync	:	TTL level positive/negative
	Composite Sync	:	TTL level positive/negative
	Sync-on-Green Coptional			: Composite sync 0.3 Vp-p negative (Video on Vp-p positive)
Maximum Pixel Clock rate	280 MHz
Active Display	Horizontal : 393 mm, Vertical : 294.5 mm
Input Voltage	AC 90 ~ 264 Volts, 60 / 50 Hz ± 3 Hz
Power Consumption (nominal)	130 Watt
Dimensions (W x D x H)
Unit / Carton	19.8 x 19.4 x 20.2 Inches (504 x 492 x 508 mm) / 25.0 x 24.6 x 25.3 Inches (634 x 625 x 642 mm)
Weight (Net/Gross)	26.1 kg (57.6 lbs) / 30.5 kg (67.3 lbs)
Environmental Considerations	Operating Temperature :			32°F ~ 104°F (0°C ~ 40°C)
	Humidity :			10 % ~ 80 %
	Storage Temperature :			-4°F ~ 113°F (-20°C ~ 45°C)
	Humidity :			5 % ~ 95 %

• CF21M* complies with TCO 99 recommendations for reduced electromagnetic fields.

• Designs and specifications are subject to change without prior notice.

CF21M*

2-1

2 Product Specifications

Table 2-1. Timing Chart

Mode	IBM				VESA
	VGA2/70Hz	VGA3/60Hz	640/85 Hz	800/85 Hz	1024/85 Hz	1280/75 Hz	1280/85 Hz	1600/85 Hz
Timing	720 x 400	640 x 480	640 x 480	800 x 600	1024 x 768	1280 x 1024	1280 x 1024	1600 x 1200
fH (kHz)	31.469	31.469	43.269	53.674	68.677	79.976	91.146	106.250
A µsec	31.778	31.778	23.111	18.631	14.561	12.504	10.971	9.412
B µsec	3.813	3.813	1.556	1.138	1.016	1.067	0.016	0.837
C µsec	1.907	1.907	3.810	2.702	2.201	1.837	1.422	1.325
D µsec	25.422	25.422	5.222	14.222	10.836	9.481	8.127	6.972
E µsec	0.636	0.636	17.778	0.569	0.508	0.119	0.406	0.279
fV (Hz)	70.087	59.940	85.008	85.061	84.997	75.025	85.024	85.000
O msec	14.268	16.683	13.333	11.756	11.765	13.329	11.761	11.765
P msec	0.064	0.064	0.080	0.056	0.044	0.038	0.033	0.028
Q msec	1.080	1.048	0.427	0.503	0.524	0.475	0.483	0.433
R msec	12.711	15.253	12.800	11.179	11.183	12.804	11.235	11.294
S msec	0.413	0.318	0.027	0.019	0.015	0.013	0.011	0.009

Clock
Freq.		28.322	25.175		36.000	56.250	94.500	135.000	157.500	229.500
(MHz)
Polarity
H.Sync		Negative	Negative	Negative		Positive	Positive	Positive	Positive	Positive
V.Sync		Positive	Negative	Negative		Positive	Positive	Positive	Positive	Positive
Remark		Separate	Separate	Separate		Separate	Separate	Separate	Separate	Separate
		Separate Sync						Sync-on-Green
Horizontal			Vertical				Vertical
						Green
Video			Video			Horizontal	P	Q	R	S
C	D	E	Q	R	S		B		O
Sync			Sync
	B			P
	A			O

A : Line time total	B : Horizontal sync width	O : Frame time total	P : Vertical sync width
C : Back porch	D : Active time	Q : Back porch	R : Active time
E : Front porch		S : Front porch

2-2

CF21M*