DIN EN IEC 62604-1 E:2021 文件草案 表面声波 (SAW) 和体声波 (BAW) 双工器的质量评估 第1部分:通用规范 (IEC 49/1352/CD:2020) 英文文本
Draft Document - Surface acoustic wave (SAW) and bulk acoustic wave (BAW) duplexers of assessed quality - Part 1: Generic specification (IEC 49/1352/CD:2020); Text in English