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© National Instruments Corp. 25 NI 9235/9236
Alias-free bandwidth ........................0.45 · f
s
Oversample rate................................64 · f
s
Rejection at oversample rate
1
(f
s
= 10 kS/s) .....................................80 dB @ 640 kHz
Input noise
f
s
= 1 kS/s
NI 9235 ................................0.38 μV/V
rms
NI 9236 ................................0.25 μV/V
rms
f
s
= 10 kS/s
NI 9235 ................................0.85 μV/V
rms
NI 9236 ................................0.5 μV/V
rms
SFDR (1 kHz, –60 dBFS)
NI 9235.......................................110 dB
NI 9236.......................................115 dB
THD (1 kHz, –20 dBFS)
NI 9235.......................................–90 dB
NI 9236.......................................–95 dB
1
Rejection by analog prefilter of signal frequencies at oversample rate.