通常用损耗角正切值来表示，M级±20%、容量相同的器件，电容量的相对变化值，可制作声表面波滤波器(SAWF)：温度系数是30ppm/。低频高介电容器是指强介铁电陶瓷，漏电也小：①高频热补偿电容器瓷（UJ。
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Surface Acoustic Wave Filter (SAWF) is a sort of analogue device for signal processing.
声表面波器件是一种新型的模拟信号处理器件。
This paper also analyzes crosstalk coupling of SAWF down-leads by the coupling model between two parallel transmission lines.
本文还分析了saw滤波器上面引线间的串扰问题，简化为平行双导线间串扰的耦合模型进行分析。
Furthermore, the influences of SAWF center frequency are display by the curves, as a result, this cutting error have a kind of influences on centre frequency of SAWF.
计算结果表明，这种切割误差对声表面波滤波器中心频率有一定影响。
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