Extron electronic GSS 100 user manual Reference Information, Specifications

Reference Information

Specifications

Video input

Number/signal type	1 VGA–UXGA RGBHV, RGBS
	pass-through
Connectors	5 female BNC
Nominal level	0.7 Vp-p for RGB
Minimum/maximum levels	Analog: 0.3 V to 1.5 Vp-p with no offset
Impedance	75 ohms
Horizontal frequency	15 kHz to 145 kHz
Vertical frequency	30 Hz to 170 Hz
Return loss	<-42 dB @ 5 MHz
DC offset (max. allowable)	1.5 V

Video output

Number/signal type	1 VGA-SXGA RGBHV, RGBS (selectable
	for stored images, follows input type for
	pass-through input)
Connectors	5 BNC female
Nominal level	0.7 Vp-p for RGB
Minimum/maximum levels	0 V to 0.7 Vp-p (unity gain on pass-
	through input)
Impedance	75 ohms
Vertical frequencies	50 Hz, 60 Hz, 72 Hz, 96 Hz, 100 Hz, 120 Hz
Output resolutions	640x4801,2,3,4,5,6, 800x6001,2,3,4,5,6, 852x4801,2,3,4,5,
	1024x7681,2,3,4, 1024x8521,2,3,4, 1024x10241,2,3,
	1280x7681,2, 1280x10241,2, 1360x7651,2,
	1365x7681,2, 1365x10241,2, 1366x7681,2,
	1400 x 10501,2	HDTV: 480p1,2, 576p1,2,
	720p1,2, and 1080i1,2
	1 = at 50 Hz	2 = at 60 Hz	3 = at 72 Hz
	4 = at 96 Hz	5 = 100 Hz	6 = 120 Hz
Return loss	-43 dB @ 5 MHz
DC offset	±5 mV with input at 0 offset

Sync

Input type	RGBHV, RGBS
Output type	RGBHV, RGBS
Input level	1.5 V to 5.0 Vp-p
Output level	TTL: 4.5 Vp-p, unterminated
Input impedance	510 ohms
Output impedance	75 ohms

Max input voltage	5.0 Vp-p
Max. propagation delay	20 ns
Polarity	Selectable

File loading times

640 x 480 resolution
Bitmap (BMP) file	1.0 second
JPEG (189 kB) file	2.5 seconds
JPEG (20 kB) file	2.0 seconds
1024 x 768 resolution
Bitmap (BMP) file	3.0 seconds
JPEG 100% (651 kB) file	4.0 seconds
JPEG 75% (157 kB) file	3.5 seconds
1400 x 1050 resolution
Bitmap (BMP) file	4.0 seconds
JPEG 100% (702 kB) file	5.5 seconds
JPEG 75% (181 kB) file	4.5 seconds

Memory and image storage

Internal memory.	...........................	16 MB
Image storage memory requirements
	Total Megabytes of Memory Required at Specific Resolutions
BMP Images Available	640 x 480	800 x 600	1024 x 768	1280 x 1024	1400 x 1050
1	0.9 MB	1.4 MB	2.4 MB	3.9 MB	4.4 MB
2	1.8 MB	2.9 MB	4.7 MB	7.8 MB	8.8 MB
3	2.8 MB	4.3 MB	7.1 MB	11.8 MB	13.2 MB
4	3.7 MB	5.8 MB	9.4 MB	15.7 MB
5	4.6 MB	7.2 MB	11.8 MB
6	5.5 MB	8.6 MB	14.2 MB
7	6.5 MB	10.1 MB
8	7.4 MB	11.5 MB
9	8.3 MB	12.9 MB
10	9.2 MB	14.4 MB
11	10.1 MB	15.8 MB
17	15.7 MB

NJPEG image storage is highly variable and is based on file size. To calculate the total number of JPEG images you can store, divide 16 MB by the JPEG file size. For example, 16 MB ÷ 500 kB (0.5 MB) = 32 images.

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