Comb-Line Filter with Coupling Capacitor in Ground Plane

<table>Coupling coefficients as a function of <svg height="7.1750002" id="M42" style="vertical-align:-0.1254pt" version="1.1" viewbox="0 0 7.9749999 7.1750002" width="7.9749999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.175)">
<g transform="translate(72,-66.26)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑎</tspan>
</text>
</g>
</g>
</svg> (<svg height="10.9125" id="M43" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.637501 10.9125" width="35.637501" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑑</tspan>
<tspan style="font-size: 12.50px; " x="10.114927" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="22.155315" y="0">0</tspan>
</text>
</g>
</g>
</svg> mm).</table>

Active and Passive Electronic Components

Comb-Line Filter with Coupling Capacitor in Ground Plane

Figure 10