ADLINK Technology PXIS-3320, Руководство пользователя

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Chassis Overview 11
10 MHz Reference Clock
The backplane supplies every peripheral slot with a 10 MHz sys-
tem clock signal (PXI_CLK10). An independent clock buffer (hav-
ing source impedance matched to the backplane and a skew of
<1ns between slots) drives the clock signals to each peripheral
slot.
You can use this common reference clock signal to synchronize
multiple modules in a measurement or control system or drive
PXI_CLK10 from an external source through the PXI_CLK10_IN
pin on the P2 connector of the star trigger slot.