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Appendix A Specifications
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National Instruments Corporation A-7 PCI-4451/4452 User Manual
Dynamic Characteristics
Image-free bandwidth ............................ DC to 0.450 f
s
Image rejection....................................... 90 dB, 0.550 f
s
< f
out
< 63.450 f
s
Spurious-free dynamic range.................90 dB, DC to 100 kHz
THD ....................................................... −80 dB; −90 dB for f
out
< 5 kHz
or signal < 1 V
rms
IMD........................................................ −90 dB (CCIF 14 kHz + 15 kHz)
Crosstalk (channel separation)...............−80 dB, DC to 23 kHz
Phase linearity........................................±1°
Interchannel phase..................................±1°
(same configuration
both output channels)
Interchannel gain mismatch...................±0.1 dB, for all attenuations
(same configuration
both output channels)
Signal delay............................................34.6 ±0.5 sample periods, any
sample rate (time from when
digital data is expressed to when
analog signal appears at output
terminals)
Digital I/O
Number of channels...............................8 input/output
Compatibility ......................................... TTL/CMOS
User.book Page 7 Tuesday, April 14, 1998 10:20 AM