标准摘要
[中文适用范围]： 描述了一种测试夹具，可使用 IEC 60444 中规定的零相位技术精确测量无引线表面安装石英晶体的谐振频率、谐振电阻和电气等效电路常数。 [外文原描述]： Describes the test-fixture that allows the accurate measurement of resonance frequency, resonance resistance, and electrical-equivalent-circuit constants of a leadless surface mounting quartz crystal using the zero phase technique as specified in IEC 60444.
英文名称Test-fixture of surface mounting quartz crystal units