发明授权
US08941451B2 Broadband SAW filter 有权
宽带SAW滤波器

Broadband SAW filter
摘要:
A new type of very broad bandwidth filters with small insertion loss and high return loss are given. The new filter uses a substrate that can propagate a PSAW and fan shaped transducers of low metallisation height, high metallisation ratio, low reflectivity and high coupling coefficient.
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