PCB单端带状线(非对称)阻抗计算器
<div class="d"><!----><div id="diycontenttop" class="area"></div><!---->
<table cellpadding="0" cellspacing="0" class="vwtb"><tbody><tr><td id="article_content"><script type="text/javascript">
//单端带状线阻抗(非对称)
function Asy_stripline_impedance_calc()
{
var w=Number(document.getElementById("input3_w").value*document.getElementById("input3_w_unit").value);
if (w>0)
{
var t=Number(document.getElementById("input3_t").value*document.getElementById("input3_t_unit").value);
var h=Number(document.getElementById("input3_h").value*document.getElementById("input3_h_unit").value);
var h1=Number(document.getElementById("input3_h1").value*document.getElementById("input3_h1_unit").value);
var er=Number(document.getElementById("input3_er").value);
var z=80/Math.sqrt(er)*Math.log(1.9*(2*h+t)/(0.8*w+t))*(1-h/(4*h1));
}
else
{
z=0;
}
document.getElementById("input3_z").value= z.toPrecision(4);
}
</script>
<table class="gridtable">
<tbody><tr>
<th colspan="4" class="apphot">PCB单端带状线(非对称)阻抗计算器</th>
</tr>
<tr>
<td>线宽(w):</td>
<td><input id="input3_w" value="4.5" name="input3_w" type="text"></td>
<td><select name="input3_w_unit" id="input3_w_unit">
<option value="1" selected="selected">mil</option>
<option value="39.37">mm</option>
</select></td>
<td rowspan="6"><div align="center"><p><img src="/template/rtj1009_010/image/jisuan/pcbfdc.jpg" data-bd-imgshare-binded="1"></p></div></td>
</tr>
<tr>
<td>铜厚(t):</td>
<td><input id="input3_t" value="1" name="input3_t" type="text"></td>
<td><select id="input3_t_unit" name="input3_t_unit">
<option value="1.37795" selected="selected">oz/in.^2</option>
<option value="1">mil</option>
<option value="0.03937">um</option>
<option value="39.37">mm</option>
</select></td>
</tr>
<tr>
<td>较小介质厚度(h):</td>
<td><input name="input3_h" id="input3_h" value="5" type="text"></td>
<td><select id="input3_h_unit" name="input3_h_unit">
<option value="1" selected="selected">mil</option>
<option value="0.03937">um</option>
<option value="39.37">mm</option>
</select></td>
</tr>
<tr>
<td>较大介质厚度(h1):</td>
<td><input name="input3_h1" id="input3_h1" value="6.5" type="text"></td>
<td><select id="input3_h1_unit" name="input3_h1_unit">
<option value="1" selected="selected">mil</option>
<option value="0.03937">um</option>
<option value="39.37">mm</option>
</select></td>
</tr>
<tr>
<td>介电常数(er):</td>
<td><input name="input3_er" id="input3_er" value="4.2" type="text"></td>
<td> </td>
</tr>
<tr>
<td><input name="input1_cmd" class="eda_input_btn" id="input1_cmd" onclick="Asy_stripline_impedance_calc()" value="开始计算(Z)" type="button"style="color: red;font-size: 19px;"></td>
<td><input name="input3_z" class="eda_input_res" id="input3_z" value="46.30" type="text"></td>
<td>OHM</td>
</tr>
<tr>
<td colspan="4">说明:以上计算结果仅供参考</td>
</tr>
</tbody></table></td></tr></tbody></table>
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</div> 好
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这个挺不错的,大力支持!! 感谢楼主分享,收藏标记! 较大介质厚度和较小介质厚度有什么区别
谢谢分享。 这个挺不错的,大力支持!! 好好好:loveliness:
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