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National Instruments Corporation
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Specifications
This appendix lists the specifications of the IMAQ PCI/PXI-1422. These
specifications are typical at 25 °C, unless otherwise stated.
Maximum Working Voltage
Channel to earth ..................................... 5 V, Installation Category 1
(signal voltage plus
common-mode voltage)
Channel to channel................................. 5 V, Installation Category 1
(signal voltage plus
common-mode voltage)
External Connections
Trigger sense .......................................... TTL
Trigger level ........................................... Programmable (rising or falling)
Pixel clock sense .................................... Selectable (TTL or differential)
Pixel clock level ..................................... Programmable (rising or falling)
Enable sense ........................................... Selectable (TTL or differential)
Enable level............................................ Programmable (rising or falling)
Master clock drive.................................. Selectable (TTL or differential)
Master clock level .................................. Rising edge
Control signal drive................................ Selectable (TTL or differential)
Control signal level ................................ Programmable (rising or falling)
Minimum control signal pulse width ..... 20 ns
Video data sense..................................... Differential
