4
1�3�2 Timebase
Sampling Clock
Timebase options
Internal: onboard synthesizer
External: PXI_CLK10, PXIe_CLK100
Timebase accuracy
< ± 25ppm
Table 1-2: Timebase
1�3�3 Triggers
Trigger Source & Mode
Trigger source
Software, external digital trigger, analog trigger, PXI trigger
bus[0..7], PXI_STAR, and PXIe_DSTARB
Trigger mode
Post trigger and delay trigger
Table 1-3: Trigger Source & Mode
Digital Trigger Input
Sources
Front panel SMA connector
Compatibility
3.3 V TTL, 5 V tolerant
Input high threshold
2.0 V
Input low threshold (VIL)
0.8 V
Maximum input overload
-0.5 V to +5.5 V
Trigger polarity
Rising or falling edge
Pulse width
20 ns minimum
Table 1-4: Digital Trigger Input
1�3�4 General Specifications
Physical
Physical dimensions
160 W x 100 H mm (6.24 x 3.9 in)
Bus
Bus interface
PCI Express Gen1 x 4
Environmental Tolerance
Operating
Temperature: 0°C - 55°C
Relative humidity: 10% - 90%, non-condensing
Storage
Temperature: -20°C - +80°C
Relative humidity: 10% - 90%, non-condensing
Calibration
Onboard reference
+5.000 V
Temperature coefficient
< 5.0 ppm/°C
Warm-up time
15 minutes