Design formula for a printed disc capacitor

被引：0
|
作者：
Jaisson, Denis
机构：
来源：
JOURNAL OF ELECTROSTATICS | 2024年 / 130卷
关键词：
Printed capacitor; Static capacitance; Polylogarithm; Riemann zeta -function; Analytic continuation; Lambert W-Function;
D O I：
10.1016/j.elstat.2024.103954
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An established formula for capacitance C of a thin metal disc printed on a dielectric substrate with height h and relative permittivity er >= 2.2, backed by a conducting ground plane, is inverted into a closed formula. The latter yields disc's radius r for a given C and a given substrate, with an accuracy of 5 % of C or better if r >= h/2. It will save the design engineer time, whose alternative is to resort to a numerical field solver and go by trial and error. O 2017 Elsevier Inc. All rights reserved.
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