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Lower frequency LVPECL VCXOs are very rare. Because of this can I use a single ended LVTTL VCXO?

April 26, 2017ended Frequency lower LVPECL lvttl rare vcxo VCXOs

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Lower frequency LVPECL VCXOs are very rare. Because of this can I use a single ended LVTTL VCXO?

1 Answer

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• Yes, you can use a LVTTL VCXO with proper divider and biasing circuitry. Biasing circuitry will help to fix the proper common mode voltage for the LVPECL input, which is necessary becuase the TTL swing is too high and needs to be reduced.