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DISTRIBUTION AMPLIFIER
400-0045-005
3
ABOUT YOUR DA1907SX 2
The DA1907SX (Ditto-Amp) is a high-resolution,
1-in 2-out distribution amplifier designed to allow
the connection of a single VGA/SVGA/XGA/UXGA
source to up to two scan-rate compatible displays.
A minimum video bandwidth of 400 MHz allows
very high-resolution video signals to pass without
degradation to the image quality. The Local Monitor
Output of the DA1907SX is pre-compensated for
up to 12 feet of high-resolution coaxial-type VGA
cable. The Main Output of the DA1907SX is pre-
compensated for up to 250 feet with high-resolution
coaxial-type VGA cable.
Being compact and easy to use, the DA1907SX is
perfect for audio/visual installations, where a single
computer needs to be connected to a projector (or
presentation monitor) and a local monitor
simultaneously. The DA1907SX has female 15-pin
HD (VGA type) connectors on all input and output
connectors so it can be used with readily available
standard VGA type cables. If desired, the input
and/or output of the DA1907SX can be easily
adapted to 5 BNC connectors through Altinex
adapter cables.
The DA1907SX is compatible with RGsB, RGBS,
or RGBHV signal types and with the proper cable
the DA1907SX can be used with MAC, SUN or SGI
platform computers.
TECHNICAL SPECIFICATIONS 3
FEATURES/DESCRIPTION DA1907SX
GENERAL
Inputs One
Input Connector 15-pin HD Female
Outputs Two
Local Monitor Connector 15-pin HD Female
Main Output Connectors 15-pin HD Female
Compatibility VGA, SVGA, XGA,
UXGA, MAC, SUN,
SGI
Table 1. DA1907SX General
MECHANICAL DA1907SX
Material 0.1” Al
Finish Gray
Top Panel Lexan
Height (inches) 3.00in (76mm)
Width (inches) 4.50in (114mm)
Depth (inches) 1.00in (25mm)
Weight (pounds) 0.40lb (0.18kg)
Ship Weight (pounds) 2.4lbs (1.09kg)
T° Operating 10°C-35°C
T° Maximum 45°C
Humidity
90% non-condensing
MTBF (calculations) 40,000 hrs
Table 2. DA1907SX Mechanical
ELECTRICAL DA1907SX
Input Video Signal
Analog Signal Level 1.5V p-p max
Impedance 75 Ohms
Input Sync Signal
Horizontal, Vertical, & C-Sync TTL(+/-)
Sync on Green -0.3V
Impedance 10 k Ohms
Output Video Signals
Analog Signal Level Gain of 1.05 (+/-5%)
Fall/Rise Time (ns) 1.0
Impedance 75 Ohms
Output Sync Signals
Composite Sync TTL(+/-)
Sync on Green -0.3V
Impedance 22 Ohms
Frequency Compatibility
Typical Video Bandwidth 430 MHz @ -3 dB
Minimum Video Bandwidth 400 MHz @ -3 dB
Horizontal 15-200 kHz
Vertical 47-180 Hz
Cable EQ at Main Output 3 dB @ 120 MHz
Coupling DC
Cross-talk -40 dB @ 10 MHz
Power, External 9V DC, 500 Ma
Table 3. DA1907SX Electrical