PCB差分阻抗與特性阻抗
<p><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 新細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA;">在PCB規格書中注明：Impedance Test : <u><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><span style="mso-spacerun: yes;"> </span><chmetcnv wst="on" unitname="m" sourcevalue="8" hasspace="False" negative="False" numbertype="1" tcsc="0">8m</chmetcnv>il, 90</u></span><u><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 細明體; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA; mso-ascii-font-family: 新細明體; mso-fareast-font-family: 新細明體;">Ω±</span><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 新細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA;">10%<span style="mso-spacerun: yes;"> 是什麼意思。</span></span></u></p><p><u><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 新細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA;"><span style="mso-spacerun: yes;">另差分阻抗與特性阻抗有何區別，如要控制以上阻抗要知道哪些參數。</span></span></u></p><p><u><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 新細明體; mso-hansi-font-family: 細明體; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA;"><span style="mso-spacerun: yes;">請各位仁兄多協助。</span></span></u></p> <p>各路好漢，請拔刀相助呀</p> 90欧姆阻抗，要求8MIL线宽，只有调PP
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