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DISTRIBUTION AMPLIFIERS
400-0004-004
3
ABOUT YOUR DA1804NT 2
DA1804NT
1-In, 4-Out Video Distribution Amplifier
The DA1804NT is a 1-In, 4-Out Distribution
Amplifier designed to allow the connection of a
single video source to as many as four display or
recording devices.
The DA1804NT can pass NTSC, PAL, and SECAM
composite video signals. It can also pass
high-resolution monochrome computer video, such
as grayscale signals used in medical imaging. The
DA1804NT can handle video signals with levels up
to 1.5 Vp-p.
State-of-the-art technology gives the DA1804NT a
bandwidth of 350 MHz with a very flat frequency
response up to 200MHz. It also offers a differential
gain of 0.15% and a differential phase of 0.15
degrees.
The DA1804NT Distribution Amplifier has a pre-set
gain of 0 dB; each output is completely
independent and can withstand shorts to ground.
Extremely rugged and compact, the DA1804NT fits
easily into tight spots. Using high-quality 75 ohm
coaxial cable, it can drive an NTSC signal 400 ft
(122 m) or more.
TECHNICAL SPECIFICATIONS 3
Specifications are subject to change.
See www.altinex.com for up-to-date information.
FEATURES/DESCRIPTION DA1804NT
GENERAL
Inputs BNC female (1)
Outputs BNC female (4)
Compatibility
NTSC, PAL, SECAM,
High Resolution
Monochrome
Computer Video
Table 1. DA1804NT General
MECHANICAL DA1804NT
Material Gray 0.1” Al
Top Label Lexan
Height (inches) 1.0 in (25 mm)
Width (inches) 4.6 in (117 mm)
Depth (inches) 3.5 in (89 mm)
Weight (pounds) 0.4 lb (0.18 kg)
T° Operating 10°C-35°C
T° Maximum 50°C
Humidity
90% non-condensing
MTBF (calculations) 40,000 hrs
Table 2. DA1804NT Mechanical
ELECTRICAL DA1804NT
Input Video Signal
Analog Signal 1.5 Vp-p max.
Impedance 75 ohm
Output Video Signal
Analog Signal 0 dB +/- 0.5 dB
Impedance 75 ohm
Frequency Compatibility
Video Bandwidth 350 MHz @ -3 dB
Coupling DC
Power
External Adapter (included) 9 VDC 500 mA
Power Consumption 0.4 W max.
Table 3. DA1804NT Electrical