User guide

8Introduction
Spectral Characteristics – PXI-9816
Figure 1-4: PXI-9816 FFT with ±0.2 V Input Range
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-9816
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
x 10
6
-1 20
-1 00
-80
-60
-40
-20
0
Frequency (Hz)
Magnitude (dB)
PXI-9816, +/-0.2V, S-Rate = 10 MS/s , Input Signal = 0.998 MHz @ -0.9 7 d BFs