请问什么是电荷放大器
<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;"> 我最近买了滨松的光电二极管</span><span lang="EN-US"><font face="Times New Roman">S3590</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">,进行</span><span lang="EN-US"><font face="Times New Roman">H</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">α线辐射的测量,要做一个放大电路,但实际上我不是学电的,模电也就学了一点皮毛。我看到滨松的产品中有一种</span><span lang="EN-US"><font face="Times New Roman">H4083</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的电荷放大器,说是和</span><span lang="EN-US"><font face="Times New Roman">S3590</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">的结合起来用非常好,我平常就听说过电流放大器和电压放大器,对电荷放大器这个概念没有听说过,请各位高手指教,谢谢!</span></p> <p>呵呵,没有人知道麽?</p> 电荷放大器的主要特点就是输入阻抗高,其他的和普通放大器类似
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