NI 9237 Operating Instructions and Specifications 24 ni.com
Channel-to-channel matching (calibrated)
Phase nonlinearity
fin = 0 to 1 kHz............................<0.001°
fin = 0 to 20 kHz..........................±0.1°
Input delay................................... .....38.4/fs + 4.8 μs
Passband
Frequency................................... 0.45 · fs
Flatness....................................... 0.1 dB max
Stopband
Frequency................................... 0.55 · fs
Rejection.....................................100 dB
Alias-free bandwidth........................ 0.45 · fs
Oversample rate................................ 64 · fs
Input Signal
Frequency
(fin)
Gain Phase
Typica l Maximum Maximum
0 to 1 kHz 0.15% 0.3% 0.125°/kHz
·
fin
1 to 20 kHz 0.4% 1.1%