• 2022-10-30
    某放大电路中的幅频响应波特图如图所示。那么该电路的中频电压增益=______,上限频率fH=______,下限频率fL=______。 [img=354x131]1803e2ad9fe50d5.png[/img]
    A: 60dB,100Hz,100MHz
    B: 1000,100MHz,100Hz
    C: 60,1Hz,10GHz
    D: 60,10GHz,1Hz
  • B

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      某放大电路中[img=21x22]1802d7d23f41d0e.jpg[/img]的幅频响应波特图如图示。那么该电路的中频电压增益[img=35x32]1802d7d248c4c72.jpg[/img]=______,上限频率fH =______,下限频率fL =______。[img=354x130]1802d7d253aee46.jpg[/img] A: 1000,100MHz,100Hz B: 60dB,100Hz,100MHz C: 60,1Hz,10GHz D: 60,10GHz,1Hz

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      某放大电路中[img=21x22]1803a8906f52e5c.jpg[/img]的幅频响应波特图如图示。那么该电路的中频电压增益[img=35x32]1803a8907969aa3.jpg[/img]=______,上限频率fH =______,下限频率fL =______。[img=354x130]1803a890843bfef.jpg[/img] A: 1000,100MHz,100Hz B: 60dB,100Hz,100MHz C: 60,1Hz,10GHz D: 60,10GHz,1Hz

    • 2

      某放大电路中[img=21x22]18032ed772817b9.jpg[/img]的幅频响应波特图如图示。那么该电路的中频电压增益[img=35x32]18032ed77daf80b.jpg[/img]=______,上限频率fH =______,下限频率fL =______。[img=354x130]18032ed788a1b29.jpg[/img] A: 1000,100MHz,100Hz B: 60dB,100Hz,100MHz C: 60,1Hz,10GHz D: 60,10GHz,1Hz

    • 3

      ‎某放大电路中[img=21x22]1803e2af0dc1884.jpg[/img]的幅频响应波特图如图示。那么该电路的中频电压增益[img=35x32]1803e2af19c731b.jpg[/img]=______,上限频率fH =______,下限频率fL =______。‍‎[img=354x130]1803e2af24c06f4.jpg[/img]‍ A: 1000,100MHz,100Hz B: 60dB,100Hz,100MHz C: 60,1Hz,10GHz D: 60,10GHz,1Hz

    • 4

      ‏某放大电路中[img=21x22]1802d7d2b0dbb6a.jpg[/img]的幅频响应波特图如图示。那么该电路的中频电压增益[img=35x32]1802d7d2bc2b101.jpg[/img]=______,上限频率fH =______,下限频率fL =______。​‏[img=354x130]1802d7d2c5ce29d.jpg[/img]​ A: 1000,100MHz,100Hz B: 60dB,100Hz,100MHz C: 60,1Hz,10GHz D: 60,10GHz,1Hz