Power-up and reset conditions, Power-up and reset conditions -16 – National Instruments PXI NI 5401 User Manual

Page 23

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Chapter 1

Generating Functions with the NI 5401

NI 5401 User Manual

1-16

www.natinst.com

Power-Up and Reset Conditions

When you power up your computer, the NI 5401 is in the following state:

•

The output is disabled and set to 0 V.

•

The trigger mode is set to continuous.

•

The trigger source is set to automatic (the software provides the
triggers).

•

The digital filter is enabled.

•

Output attenuation remains unchanged from its previous setting.

•

The analog filter remains unchanged from its previous setting.

•

Output impedance remains unchanged from its previous setting.

When you reset the board using NI-FGEN or any other application
software, your NI 5401 is in the same state as shown at power up,
previously listed, with the following differences:

•

Output attenuation is set to 0 dB.

•

The analog filter is enabled.

•

Output impedance is set to 50

Ω.

•

The PLL reference source is set to internal tuning.

•

The SYNC duty cycle is set to 50%.

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