Bandwidth (±3 dB)[1]1 Filters off.

0.2 V input range

80 MHz up to 40 °C,[2]2 78 MHz above 40 °C. warranted

All other input ranges

100 MHz, warranted

Rise/fall time

0.2 V input range

4.2 ns

All other input ranges

3.5 ns

Bandwidth limit filters[3]3 Only one filter can be enabled at any given time. The anti-alias filter is enabled by default.

Noise filter (2-pole Bessel)

20 MHz

Anti-alias filter (6-pole Chebyshev)

40 MHz (-6 dB)

35 MHz (±3 dB), warranted

AC coupling cutoff (-3 dB)[4]4 AC coupling available on 1 MΩ input only.

12 Hz

Table 5. Passband Flatness[5]5 Referenced to 50 kHz.
Filter Settings Input Range (Vpk-pk) 50 Ω and 1 MΩ
Filters off 0.2 V

±0.4 dB (DC to 20 MHz)

±1 dB (20 MHz to 40 MHz)

All other input ranges

±0.4 dB (DC to 20 MHz)

±1.0 dB (20 MHz to 50 MHz)

Anti-alias filter on All ranges

±1.2 dB (DC to 16 MHz)

±1.6 dB (16 MHz to 32 MHz)

Figure 2. PXIe-5122 Frequency Response, Measured


1 Filters off.

2 78 MHz above 40 °C.

3 Only one filter can be enabled at any given time. The anti-alias filter is enabled by default.

4 AC coupling available on 1 MΩ input only.

5 Referenced to 50 kHz.