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Texas Instruments SCAU020 manual Schematics and Layout, CDCE421EVM Block Switch Off

Models: SCAU020

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Schematics and Layout

Figure 9. CDCE421EVM Block Switch Off

8Schematics and Layout

Figure 10 through Figure 14 show the printed circuit board (PCB) schematics.

Note: Board layouts are not to scale. These figures are intended to show how the board is laid out; they are not intended to be used for manufacturing CDCE421EVM PCBs.

10.9MHz–1175MHz Low Phase Noise Clock Evaluation Board

SCAU020 –March 2007

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Texas Instruments SCAU020 manual Schematics and Layout, CDCE421EVM Block Switch Off

Contents

Users Guide Submit Documentation Feedback Contents List of Figures CDCE421EVM Evaluation Board Features General DescriptionSignal Path and Control Circuitry CDCE421EVM Programming BlocksBlock C Block aBlock B Block DInstalling the Software GUI and USB Driver Software Installation ScreenChronosGUI Using Software-Enabled Automatic PLL SelectionIC Block Configuration and Input Calculator Store Crystal FrequencyWrite to CDCE421 Eeprom Output Calculator and Apply PLL SettingsPLL Bandwidth Select Manual PLL Block Selection Advanced Control Chronos GUI-Manual PLL Block Selection Pop-UpSoftware Settings Description Section FunctionConfiguring the Board Programming Configuration USB Cable AttachedSchematics and Layout CDCE421EVM Block Switch OffCDCE421EVM Board Schematic CDCE421EVM Board-Block a Schematic CDCE421EVM Board-Block B Schematic CDCE421EVM Board-Block C Schematic CDCE421EVM Board-Block D Schematic Evaluation BOARD/KIT Important Notice FCC WarningImportant Notice