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October 2002
323398B-01
NI PXI-5621 S
PECIFICATIONS
High-Speed Digitizer
The NI PXI-5621 is a DC-coupled 64 MS/s 14-bit high-speed digitizer.
Except for its DC coupling, the PXI-5621 is functionally identical to the
PXI-5620. Refer to the
NI PXI-562x User Manual
for instructions on
installing and using your NI PXI-5621.
The NI PXI-5621 specifications are warranted at 0–50
°
C ambient unless
otherwise specified, and include a 10 minute warm-up time from ambient
conditions.
General Specifications
Number of channels ............................... 1
Resolution .............................................. 14 bits
Sample rate range................................... 1 kS/s to 64 MS/s
Onboard memory
Not using DDC ............................... 32 MS
Using DDC (complex data) ............ 16 MS
Input
Signal level
Nominal .......................................... 0 dBm (±0.316 V
p
)
Full-scale......................................... +10 dBm (±1.000 V
p
)
Max with dither enabled ................. +8 dBm (±0.794 V
p
)
Non-operating
Max input level ........................ +20 dBm (±3.16 V
p
)
Max DC input voltage ............. ±3.0 V
Input impedance ..................................... 50
Ω
nominal
Coupling................................................. DC
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