• 2022-11-03
    电压串联负反馈电路[tex=1.143x1.214]xz5TbLTtukR6CZleYEMrfQ==[/tex]的波特图如图[tex=2.643x1.286]Gz6bD7HN4zCCDOmr0RpT9Q==[/tex] 所示。 [img=367x380]17d2e643af441d4.png[/img]如果自激, 在要求[tex=4.786x1.286]4I+5iSV9N5JjQyyAmRwhhnKx980VmsHjOL8inS0qCLg=[/tex] 时, [tex=0.643x1.0]0WA5oCO54gKWR/jKi5M2Zw==[/tex]应为多少?