A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545099194284042b9a415e824321b95056d923d95a36image3.png">抑制电路
B、抗饱和电路
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545099194374c4118d554c4e49c7a8859b5d730e4b2fimage4.png">抑制电路
D、吸收电路