National Instruments NI PCI-5114 Manual De Usuario
© National Instruments Corporation
5
NI PXI/PCI-5114 Specifications
Specification
Value
Comments
Spectral Characteristics
Spurious-Free
Dynamic Range
with Harmonics
(SFDR), Typical
Dynamic Range
with Harmonics
(SFDR), Typical
Range (V
pk-pk
)
10 MHz,
–1 dBFS
input signal
–1 dBFS
input signal
Includes the
2
2
nd
through
the 5
th
harmonics
Measured
from DC to
125 MHz
from DC to
125 MHz
20 MHz
bandwidth
limit filter off
bandwidth
limit filter off
All ranges except 0.04
0.04
58 dBc
58 dBc
Total Harmonic
Distortion
(THD), Typical
Distortion
(THD), Typical
–58 dBc
–58 dBc
Effective
Number of Bits
(ENOB),
Calculated*
Number of Bits
(ENOB),
Calculated*
7.2
6.2
Signal to Noise
and Distortion
(SINAD),
Typical
and Distortion
(SINAD),
Typical
44 dB
38 dB
RMS Noise
Range
(V
pk-pk
)
20 MHz
Filter On
20 MHz
Filter Off
50
Ω
terminator
connected
to input
connected
to input
All ranges
except 0.04
0.28% FS
0.28% FS
0.04
0.28% FS
0.45% FS
*
ENOB = log
2
(sinad) – ½log
2
(1.5) – log
2
(A/V)
where
sinad = the linear representation of SINAD
A = amplitude of the supplied sine wave during the test
V = (peak) full-scale range of the waveform recorder input
A = amplitude of the supplied sine wave during the test
V = (peak) full-scale range of the waveform recorder input
Refer to 1057-1994 IEEE Standard for Digitizing Waveform Recorders for information on equation derivation.