NI High-Speed Digitizers Getting Started Guide
24
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NI 5620/5621 Front Panels
Figure 14 shows the NI PXI-5620/5621 front panels.
Figure 14.
NI PXI-5620/5621 Front Panels
Table 9 describes the signal connections for the NI 5620/5621.
Table 9.
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 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)
