©
National Instruments Corporation
9
8-Slot PXI Backplane Installation Guide
External clock output
Connector........................................ Connector J1 on rear of backplane
(ground-referenced)
Output amplitude ............................ 1 V
pp
±20% squarewave into 50
Ω
2 V
pp
into open circuit
Output impedance ........................... 50
Ω
± 5
Ω
