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Schematic

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Schematic

Figure 7. CDCM6100xEVM Schematic

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SCAU027B – March 2009 – Revised March 2011

Low Phase Noise Clock Evaluation Module

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© 2009–2011, Texas Instruments Incorporated

Summary of Contents for CDCM61001

Page 1: ...valuation module to generate low phase noise clocks Easy device setup Rapid configuration Control pins configurable through jumpers Requires 3 3 V power supply Single ended or crystal input clock refe...

Page 2: ...ther a crystal input or a single ended clock with a frequency range of 21 875 MHz to 28 47 MHz The internal VCO operates from 1 75 GHz to 2 05 GHz The output buffers provide output frequencies from 43...

Page 3: ...provided from another board or the LVCMOS buffer do not place any resistor here Capacitor C61 100 nF is required for ac coupling as shown in Figure 3 Figure 3 Single Ended Connection Configuration 6 O...

Page 4: ...ogic 0 the divider offers up to six different frequencies All outputs have the same frequency because the outputs are generated from the same divider Table 3 lists the available output divider values...

Page 5: ...on either the PR0 or the PR1 pins PLL recalibration is required to generate the proper VCO frequency Table 6 lists the RESET configuration options Table 6 Reset Configuration Control Input RSTN Opera...

Page 6: ...iguration Figure 6 LVDS Output Setup LVCMOS Output Buffer This LVCMOS buffer typically has 30 internal impedance An external 22 series resistor is recommended for a 50 impedance characteristic line Fo...

Page 7: ...om Schematic 8 Schematic Figure 7 CDCM6100xEVM Schematic 7 SCAU027B March 2009 Revised March 2011 Low Phase Noise Clock Evaluation Module Submit Documentation Feedback 2009 2011 Texas Instruments Inco...

Page 8: ...t This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer o...

Page 9: ...orized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parti...

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