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时间: 2020-1-15 12:24
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用门电路实现2倍频电路ICS512LOCOPLLCLOCKMULTIPLIERDescriptionTheICS512isthemostcosteffectivewaytogenerateahigh-quality,highfrequencyclockoutputandareferenceclockfromalowerfrequencycrystalorclockinput.ThenameLOCOstandsforLowCostOscillator,asitisdesignedtoreplacecrystaloscillatorsinmostelectronicsystems.UsingPhase-Locked-Loop(PLL)techniques,thedeviceusesastandardfundamentalmode,inexpensivecrystaltoproduceoutputclocksupto200MHz.Withareferenceoutput,thischipplusaninexpensivecrystalcanreplacetwooscillatorsStoredinthechip’sROMistheabilitytogenerateninedifferentmultiplicationfactors,allowingonechiptooutputmanycommonfrequencies(seetableonpage2).Thisproductisintendedforclockgeneration.Ithaslowout……