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The design of a temperature-stable stepped-impedance resonator using composite ceramic materials

机译:使用复合陶瓷材料的温度稳定型步进阻抗谐振器的设计

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The authors present a method to design a coaxial ceramic resonator, whose resonance frequency is unchanged with temperature, using a material with a positive temperature coefficient of resonant frequency (/spl tau//sub f/) and a negative /spl tau//sub f/ material. From the resonance conditions according to temperature variation, the length to be filled with each material is calculated to minimize the resonance frequency shift with temperature change. As an example, Ba(Zn/sub 1/3/Nb/sub 2/3/)O/sub 3/ and CaZrO/sub 3/ are selected in this work, and their lengths are obtained at various resonant frequencies. The temperature dependence of the resonant frequency of this resonator is simulated.
机译:作者提出了一种使用谐振频率为正温度系数(/ spl tau // sub f /)和负/ spl tau // sub的材料设计谐振频率随温度不变的同轴陶瓷谐振器的方法。 f /材料。从根据温度变化的共振条件,计算每种材料填充的长度,以使随温度变化的共振频率偏移最小。例如,在这项工作中选择了Ba(Zn / sub 1/3 / Nb / sub 2/3 /)O / sub 3 /和CaZrO / sub 3 /,并在各种谐振频率下获得了它们的长度。模拟该谐振器的谐振频率的温度依赖性。

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