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3
ABOUT YOUR V-MATRIX™ VIDEO/SYNC
OUTPUT
CARDS 2
VM2144VS/VM2145SS/VM2146UX
8-out V-MATRIX™ Video/Sync Output Cards
The
VM2144VS/VM2145SS/VM2146UX
are 8-
output Cards designed for use in a V-Matrix™
enclosure and can handle a wide array of signal
formats and connector types. When installed in a
V-Matrix™ Basic Enclosure, these Output cards
enable the connection of eight composite sources
when used with the
VM2143VS
8-in Video/Sync
Input Card.
See the VM2143VS for more
information.
The
VM2144VS/VM2145SS
8-output video/sync
cards provide built-in ground loop isolation (GLI on
Board™) through the use of differential inputs. This
is an extremely important feature because it
protects against hum bars and other interference
caused by ground loops, which notoriously wreak
havoc on large-scale matrix systems. Both the
input and output video cards provide a bandwidth
of 350 MHz @ –3dB, allowing them to pass
extremely high-resolution computer video/sync
signals without signal degradation.
The
VM2145SS
has a negative and positive
polarity. It can be used as sync output by setting its
jumpers to the appropriate position.
The
VM2146UX
is 8-output Universal Card that can
process video and sync output signals. See jumper
settings for sync and video output for more
information.
All input and output cards are “hot-swappable” with
finger adjustable lock-down screws and secure,
positive engagement card-edge connections.
TECHNICAL SPECIFICATIONS 3
FEATURES/
DESCRIPTION
VM2144VS/VM2145SS/
VM2146UX
Output
Impedance 75 Ohms, 1%
Return Loss 40dB @ 10MHz
DC on Outputs +/-30mV (max)
Equalization +3dB @ 80-100 MHz
Gain
Gain 1.01
Gain Stability 0.01%
Gain Adjust Range None
Gain Difference between
All Channels
2% max
Linear Distortions
Frequency Response 0-100MHz
Vertical Tilt <0.01%
Horizontal Tilt <0.01%
Low Frequency <0.01%
Crosstalk
Video to Video
<45dB@ 5MHz, <35dB
@ 10MHz <31dB @
35MHz, <29db @
100MHz all inputs &
outputs hostile
Switching Characteristics
Switching Time <10ms all channels
Video Input/Output Card Bandwidth (128x128)
Input 1 to Output 128 >280 MHz @ -3dB
Input 64 to Output 64 >280 MHz @ -3dB
Input 128 to Output 1 > 280 MHz @ -3dB
Output Sync Signal
Composite, Horizontal,
Vertical
TTL (+/-)
Impedance 22 Ohms
Frequency Compatibility
Horizontal 15-130kHz
Vertical 25-180Hz
Table 1.
VM2144VS/VM2145SS/VM2146UX