Table 4.
Device Front Panel Icon Definition
Refer to the user documentation for required maintenance measures to ensure user
safety and/or preserve the specified EMC performance.
Table 5.
NI 5142 IF Digitizer Module Front Panel Connectors
Connector
Use
CH 0
Connects to the OUTPUT connector on the NI 5600 front panel.
This connector is the input terminal for a frequency-translated IF waveform
from the NI 5600 RF downconverter for digitization and measurement.
CH 1
This input terminal is not used for NI 5661 operation. CH 0 is the only channel
with digital downconverter (DDC) capabilities.
TRIG
This connector is the input terminal for a digital trigger from an external source.
CLK IN
Connects to the lower 10 MHz OUT connector on the NI 5600 RF
downconverter module front panel.
This connector is the input terminal for the NI 5600 internal Reference Clock
signal.
CLK OUT This connector is the output terminal for the NI 5142 Reference Clock or
Sample Clock.
AUX I/O
Provides access to the multipurpose digital timing and triggering lines, PFI 0,
and PFI 1 (with optional cable).
NI PXI-5661 Getting Started Guide
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© National Instruments
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