6
Spectral Characteristics – PXI-69816
Specification
Input Range
±1 V
±0�2 V
Signal to Noise and Distortion (SINAD), typical
79.11 dBc
75.93 dBc
Signal-to-Noise Ratio (SNR), typical
79.36 dBc
75.96 dBc
Total Harmonic Distortion (THD), typical
-89.90 dBc
-95.77 dBc
Spurious Free Dynamic Range (SFDR), typical
90.37 dBc
98.65 dBc
Effective Number of Bit (ENOB), typical
12.85-Bit
12.32-Bit
Test Conditions: Input signal frequency is 0.998 MHz. Digitizer sampling rate at 10 MHz
with 50 Ω input impedance. Calculated with 64 K-point data.
Note that these dynamic parameters may vary from one unit to another, with input
frequency and with the full scale input range selected.
Table 1-5: Spectral Characteristics – PCI/PXI-69816
Figure 1-4: PXI-69816 FFT with ±0.2 V Input Range