![](https://lstatic.shangxueba.com/jiandati/h5/images/m_q_title.png)
[单选题]
变容二极管直接调频电路如图所示,变容二极管的结电容Cj = 100 / (1 + u)2 pF,电感L1 = L2 = 50 mH,之间无互感,调制信号uW = 10cos2p ´ 103t mV。调频信号uFM的表达式为()。
变容二极管直接调频电路如图所示,变容二极管的结电容Cj = 100 / (1 + u)2 pF,电感L1 = L2 = 50 mH,之间无互感,调制信号uW = 10cos2p ´ 103t mV。调频信号uFM的表达式为()。![变容二极管直接调频电路如图所示,变容二极管的结电容Cj = 100 / (1 + u)2 pF,电感](https://img2.soutiyun.com/shangxueba/ask/19422001-19425000/19423646/9f166d4-chaoxing2016-260175.png)
A.
B.
C.
D.
提问人:网友zxgboss
发布时间:2022-01-07