National Instruments NI 5412 用户手册

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© National Instruments Corporation
13
NI 5412 Specifications
Start Trigger
V
OH
Minimum: 2.9 V (open load), 1.4 V (50 
Ω load)
Output drivers are 
+3.3 V TTL 
compatible. 
Measured with a 
1 m cable.
V
OL
Maximum: 0.2 V (open load), 0.2 V (50 
Ω load)
Rise/Fall Time
(20% to 80%)
≤2.0 ns
Load of 10 pF.
Table 7.  
Specification
Value
Comments
Sources
1. PFI<0..1> (SMB front panel connectors)
2. NI PXI-5412—PXI_Trig<0..7> (backplane connector)
NI PCI-5412—RTSI<0..7>
3. NI PXI-5412—PXI Star trigger (backplane connector)
4. Software (use function call)
5. Immediate (does not wait for a trigger). Default.
Modes
1. Single
2. Continuous
3. Stepped
4. Burst
Edge Detection
Rising 
Minimum 
Pulse Width 
25 ns. Refer to t
s1
 at NI Signal Generators Help»Devices»
NI 5412»NI <bus>-5412»Triggering»Trigger Timing.
Table 6.   (Continued)
Specification
Value
Comments