放大电路如图所示。分析下列情况下电路参数的变化 (1) R L 变成10 k Ω ,则电压放大倍数 ____; (2) R c 变成10 k Ω ,则电压放大倍数 ____; (3) R e1 变成2 k Ω , R e2 变成300 k Ω ,则静态电流 I CQ ____,晶体管的 r be ____,电路的输入电阻 R i ____,电压放大倍数 ____。
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举一反三
【单选题】You need to design a configuration for the Microsoft Outlook Web Access servers. What should you do?()
A.
Create a Network Load Balancing cluster that contains the Outlook Web Access servers
B.
Create a Microsoft Cluster Server cluster that contains the Outlook Web Access servers
C.
Create public DNS host (A) resource records for each Outlook Web Access server. Instruct each user to connect to the server that contains his or her mailbox
D.
Install Microsoft Application Center 2000 on the Outlook Web Access servers. Create a Web cluster that contains all of the Outlook Web Access servers