National Instruments PCI-445 Series User Manual page 88

Appendix A Specifications
Onboard Calibration Reference
PCI-4451/4452/4453/4454 User Manual
IMD ........................................................−100 dB (CCIF 14 kHz + 15 kHz)
Crosstalk (channel separation)................−100 dB, DC to 100 kHz
Phase linearity
Device
4451/4452
4453/4454
Interchannel phase
Device
4451/4452
4453/4454
Interchannel gain mismatch....................±0.1dB, for all gains
Signal delay ............................................42 sample periods, any sample
DC level ..................................................5.000 V ±2.5 mV
Temperature coefficient..........................±5 ppm/°C max
Long-term stability .................................±15 ppm/
Gain
≥ 0 dB
< 0 dB
0 dB
Gain
≥ 0 dB
< 0 dB
0 dB
(same configuration for
all input channels)
rate (time from when signal enters
analog input to when digital data
is available)
A-6
Phase Linearity
±1°
±2°
±1°
Interchannel Phase
±1°
±2°
±1°
,
1 000 h
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