Datasheet

C155

C49

C154

C156

C157

C53

Hardware Setup, CW Mode

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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

Figure 7. Relevant Capacitors for CW Mode, Top Side

AFE5807EVM (Rev E) Evaluation Module SLOU329A– November 2011– Revised December 2011

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