A、在下图所示的电路中,L=0.8uH,C<sub>1sub>=C<sub>2sub>=20pF,R<sub>ssub>=10kΩ,R<sub>Lsub>=5kΩ,Q<sub>0sub>=100。试求回路在有载情况下的谐振频率f<sub>0sub>,谐振电阻R<sub>Σsub>,回路有载Q值和通频带BW<sub>0.7sub>。r /> mg src="https://img.ppkao.com/2019-05/wuacheng/2019051316592798223.jpg" />
A、Δ<sub>rsub>H<sub>msub> B、TΔ<sub>rsub>S<sub>msub> C、Δ<sub>rsub>H<sub>msub>-TΔ<sub>rsub>S<sub>msub> D、0
A、Δ<sub>rsub>H<sub>msub>=Δ<sub>rsub>G<sub>msub> B、Δ<sub>rsub>H<sub>msub>〉Δ<sub>rsub>G<sub>msub> C、Δ<sub>rsub>H<sub>msub>〈Δ<sub>rsub>G<sub>msub> D、三种均可能
A、Δ<sub>rsub>H<sub>msub>=Δ<sub>rsub>G<sub>msub> B、Δ<sub>rsub>H<sub>msub>>Δ<sub>rsub>G<sub>msub> C、Δ<sub>rsub>H<sub>msub><Δ<sub>rsub>G<sub>msub> D、三种均可能