DIN EN 60368-2-2:1999 压电滤波器.第2部分:压电滤波器的使用指南.第2节:压电陶瓷滤波器
Piezoelectric filters - Part 2: Guide to the use of piezoelectric filters - Section 2: Piezoelectric ceramic filters (IEC 60368-2-2:1996); German version EN 60368-2-2:1999
The document describes passive band-pass filters operating over the frequency range of a few kHz to more than 10 MHz which are commerically available as separate and independent units.