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DISTRIBUTION AMPLIFIERS
3
required to correct the interference at his/her
own expense.
• Any changes or modifications to the unit not
expressly approved by Altinex, Inc. could void
the user’s authority to operate the equipment.
ABOUT YOUR DISTRIBUTION AMPLIFIER 2
The DA1902SX is essentially a 1-in 2-out RGBHV
distribution amplifier, which is unique due to the
fact that it offers 5 BNC connectors for the inputs
and two 15-pin HD (VGA - type) connectors for the
outputs. This makes it perfect for special
applications where a RGBHV signal on 5 BNC
connectors is connected to two VGA type monitors.
If desired, the 15-pin HD connectors can also be
adapted to 5 BNC connectors using adapter
cables.
Though primarily designed for RGBHV format
signals, the DA1902SX is capable of passing
RGBS and RGsB signals as well. With its compact
design and very low cost, the DA1902SX makes for
an ideal distribution amplifier in either a small or a
large system.
In addition to being used for applications with two
displays, the DA1902SX also acts as an input
module for the Altinex Serial Distribution System.
This is a system, which uses the concept of
creating a high-resolution video bus in large
distribution applications with many displays. This
system provides a lower cost and a higher
performance alternative to the concept of feeding
home runs (a run of cable) to a single large
distribution amplifier. In the Serial Distribution
System, the DA1902SX is the starting point of the
bus, which feeds up to thirty output modules
(DA1904SX), through its 15-pin HD connectors
with VGA type cables.
TECHNICAL SPECIFICATION 3
FEATURES/DESCRIPTION DA1902SX
GENERAL
Inputs
1
Input Connector 5 BNC Female
Outputs
2
Output Connectors Two15-pin HD Female
Compatibility
High Resolution
RGBHV, RGBS, RGsB
and RsGsBs
Table 1. DA1902SX General
MECHANICAL DA1902SX
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) 0.4in (0.18kg)
Ship Weight (pounds) 2.0lbs (0.91kg)
T° Operating 10°C-35°C
T° Maximum 50°C
Humidity
90% non-condensing
MTBF (calculations) 40,000 hrs
Table 2. DA1902SX Mechanical
ELECTRICAL DA1902SX
Input Video Signal
Analog Signal 1.5V p-p max
Impedance 75 Ohms
Input Sync Signals
Horizontal, Vertical, & C-Sync TTL(+/-)
Sync on Green -0.3V
Impedance 10 k Ohms
Output Video Signals
Analog Signal Gain of 1.05 (+/-5%)
Fall/Rise Time (ns) 1.4
Impedance 75 Ohms
Output Sync Signals
Composite Sync TTL(+/-)
Sync on Green -0.3V
Impedance 22 Ohms
Frequency Compatibility
Typical Video Bandwidth 380 MHz
Minimum Video Bandwidth 350 MHz
Horizontal 15-200 kHz