DIN 45105-4:1981-06 Quartz crystal units; methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units

标准编号：DIN 45105-4:1981-06

英文标题：Quartz crystal units; methods for the measurement of frequency and equivalent resistance of unwanted resonances of filter crystal units

德文标题：Meßverfahren für Schwingquarze; Messung der Frequenz und des Resonanzwiderstandes der Nebenresonanzen von Filterquarzen

发布日期：1981-06

标准预览图