【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
有一耦合回路如题图所示。已知f01=f02=1MHz;ρ1=ρ2=1kΩ;R1=R2=20Ω,η=1。
试求:
1)回路参数L1、L2,C1,C2和M;
2)图中a、b两端的等效谐振阻抗Zp;
3)初级回路的等效品质因数Q1;
4)回路的通频带B;
5)如果调节C2使f02=950kHz(信号源频率为1MHz)。
求反射到初级回路的串联阻抗。它呈感性还是容性?
![](https://cdn.shuashuati.com/imgs/b50970be6d1c6dd6fd49c7e61f34de51.jpg)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
参考解析:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)