摘要
本文介绍了用PLCN四元系压电陶瓷基片,采用积木式方法设计,制作压电陶瓷声表面波电视中频滤波器的方法。并测试了其幅频特性和群延迟特性。这些特性完全达到电视机所需要的质量要求。
This paper reports the process of designing in building block way, and fabricating surface acoustic wave television intermediate frequency filters which are made up of piezoelectric ceramic substrates of PLCN quaternary system. The amplitude frequency response and group delay response of SAW TVIF filters have been measured. These responses have fulfilled quality requirements for TV sets entirely.
