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变容二极管调相电路如图所示,变容二极管的结电容Cj = 32 / (1 + u)2 pF,载波电流ic = 10cos50 ´ 106t mA,调制信号uW = 0.1cos104t mV,谐振电阻Re = 200 kW。以下分析错误的是()。 ![变容二极管调相电路如图所示,变容二极管的结电容Cj = 32 / (1 + u)2 pF,载波电流i](https://img2.soutiyun.com/shangxueba/ask/19419001-19422000/19420978/fc68aeb-chaoxing2016-260188.png)
A.电感L = 0.1 mH
B.LC并联谐振回路的谐振频率w0 = 50 ´ 106 + 1.25 ´ 103cos104t rad/s
C.相位变化量Dj(t) = 10- 3cos104t rad
D.调相信号uPM = 2cos(50 ´ 106t + 10- 3cos104t) V