如何读懂胆管参数表？

jerrylong

<p>下载了一些电子管的参数表，但其中有些参数的符号不熟悉，请教一下各位（我能读懂的就注明，不知道的还希望大家能帮忙）</p><p>Uh－灯丝电压</p><p>Ih－灯丝电流</p><p>Ua－阳极（屏极、板极）电压</p><p>Ia－阳极（屏极、板极）电流</p><p>Rk－<font color="#ff0000">不知道</font></p><p>Ri－屏极内阻</p><p>Ik－<font color="#ff0000">不知道</font></p><p>Ufk－<font color="#ff0000">不知道</font></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">μ－放大系数</span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">S－跨导</span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">a－最大阳极（屏极、板极）功耗</span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">Ug－栅极电压（<font color="#ff0000">在好多电子管参数表中要么没有，要么为负值，没有时需要这一参数怎么办？</font>）</span></p><p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-bidi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">红字的部分还望大家帮忙？</span></p>