VM2145SS

8-Out Video/Sync Output Card

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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.

Specifications

general

 

Out

 

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

 

 

 

Specifications/Diagrams subject to change without notice.

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