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Appendix A Specifications
IMAQ PCI/PXI-1411 User Manual A-2 www.ni.com
A/D Conversion
Quantity ..................................................One 8-bit 2X oversampling
for composite video
Two 8-bit 2X oversampling
for Y/C (S-Video)
Dynamic range........................................46 dB typ
Sampling Frequency
RS-170/NTSC..................................27.54 MHz (double rate
of square pixel
CCIR/PAL.......................................29.5 MHz (double rate
of square pixel)
Color Decoding
Composite video
Luma path........................................Chroma trap filter and/or
line comb
Chroma path ....................................Bandpass filter and/or line comb
Accuracy
Calibrated
Luma level at DC.............................+/– (1% of value and 1% of white)
(tentative)
Demodulated chroma level at DC ...+/– 2% (tentative)
Memory
Onboard memory....................................16 MB synchronous
dynamic RAM
LUTs.......................................................Three 256 × 8 (RGB only)
External Connections
Trigger sense...........................................TTL
Trigger level ...........................................Programmable (rising or falling)