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NI High-Speed Digitizers Getting Started Guide 26 ni.com
NI 5620/5621 Front Panels
Figure 22 shows the NI PXI-5620/5621 front panels.
Figure 22. NI 5620/5621 Front Panels
Table 10 describes the signal connections for the NI 5620/5621.
Table 10. NI 5620/5621 Front Panel Signal Connections
Connector Description Function
INPUT Standard SMA female
connector
Analog input connection; digitizes data and triggers
acquisitions.
NI 5620—50 Ω, AC coupled.
NI 5621—50 Ω, DC coupled.
REF CLK IN Standard SMA female
connector
50 Ω, 10 MHz, AC coupled reference clock input.
PFI 1 Standard SMB jack
connector
External digital trigger connection.
NI PXI-5621
64 MS/s Digitizer
INPUT
50
+20 dBm MAX
±3 VDC MAX
REF CLK IN
PFI 1
50
+20 dBm MAX
±10 VDC MAX
TTL (+5 V MAX)
NI PXI-5620
64 MS/s Digitizer
INPUT
50
+20 dBm MAX
±2 VDC MAX
REF CLK IN
PFI 1
50
+16 dBm MAX
±10 VDC MAX
TTL (+5 V MAX)