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Hardware Setup, CW Mode
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Figure 6. CW Outputs
9.3 External Clock for CW Mode
The CW mode clocks can be supplied from J9 (X16/X8/X4/X1) and J10 (X1) using external signal
generators. The manufacture default setup uses ON BOARD CLOCK, with which C154, C155, C156, and
C157 are installed. To switch to an external clock, these four capacitors must be uninstalled and
capacitors C49,C50,C52, and C53 must be installed. The following table shows the configuration for these
eight capacitors.
Table 1. Configuration for Clock Capacitors
Capacitor Onboard Clock External Clock Comments
C49 Uninstalled Installed Top layer of the EVM
C50 Uninstalled Installed Bottom layer of the EVM
C52 Uninstalled Installed Bottom layer of the EVM
C53 Uninstalled Installed Top layer of the EVM
C154 Installed Uninstalled Top layer of the EVM
C155 Installed Uninstalled Top layer of the EVM
C156 Installed Uninstalled Top layer of the EVM
C157 Installed Uninstalled Top layer of the EVM
14 AFE5807/08EVM (Rev D) Evaluation Module SLOU309 – December 2010
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