应用于双边带调制信号的叠加型同步检波电路如图所示,双边带调制信号uDSB = 10cos2p ´ 103tcos2p ´ 106t mV,本振信号ul = 100cos2p ´ 106t mV,检波增益kd = 1。该电路的输出电压为()。
A.uo = 100(1 + 0.1cos2p ´ 103t) mV
B.uo = 100cos2p ´ 106t + 10cos2p ´ 103tcos2p ´ 106t mV
C.uo = 100 mV
D.uo = 10cos2p ´ 103t mV
- · 有6位网友选择 D,占比60%
- · 有3位网友选择 C,占比30%
- · 有1位网友选择 A,占比10%