--- title: 恒温 updated: 2022-01-11 02:54:46Z created: 2022-01-08 13:17:42Z --- # OX254B 已有的一颗100MHz恒温晶振,指标一般-145dBc/Hz@1kHz,0.1ppm,手册:[722-刘工-OX254B-H-HT-R@100M-20170824.pdf](../../../_resources/722-刘工-OX254B-H-HT-R@100M-20170824.pdf) # O-CS8-0LS17AZL-100.0MHz 指标很高,-160dBc/Hz@1kHz,0.05ppm 体积小,暂未找到供应商