National Instruments NI 5670 用户手册

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NI RF Signal Generators Getting Started Guide
NI 5442 AWG Module
The front panel of the NI 5442 AWG module contains four connectors and 
two multicolor LEDs, as shown in Figure 10.
Figure 10.  NI 5442 AWG Module Front Panel
Table 7.  NI 5442 AWG Module Front Panel Connectors
Connector
Purpose 
CH 0
Output terminal for an IF waveform for upconversion to the desired RF 
frequency. 
Connect to the IF INPUT connector on the NI 5610 front panel. 
CLK IN
Output terminal for the AWG module reference clock signal.
Connect to the REF OUT connector on the NI 5610 module front panel. 
PFI 0
Bidirectional SMB connectors. As an input, the PFI terminals can accept 
a trigger from an external source to start or step through signal generation.
PFI 1