ADLINK PXI-2022 - Manual (Page 21)

Getting Started 13
TRG IO, as an Output Port
Connector type SMB
Compatibility 3.3 V TTL
Output Logic Level
Output low voltage: 0.2 V (max)
Output high voltage: 2.4 V (min)
Driving Capability 8 mA
Minimum Output Pulse Width 12.5 ns
Table 2-3: TRG IO, as an Output Port
CLK IN (External Clock from Front Panel)
Connector Type SMB
Clock Type Sine wave or square wave
Input Impedance 50 Ω
Input Coupling AC
Input Range 1 VP-P to 2 VP-P
Overvoltage Protection 2.5 VP-P
Table 2-4: CLK IN
CLK OUT0/OUT1, as an Output Port
Connector Type SMB
Clock Type square wave
Compatibility 3.3 V TTL
Output Logic Level
Output low voltage: 0.2 V (max)
Output high voltage: 2.4 V (min)
Driving Capability 24 mA
Output Impedance (for minimum load) 50 Ω
Table 2-5: CLK OUT0/OUT1, as an Output Port