D 8.1 The amplifier in Fig. P8.1 is biased to operate at ID = 1 mA and gm = 1 mA/V. Neglecting ro find the midband gain. Find the value of CS that places fL at 10 Hz.
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![The MOSFET in the common-source amplifier in the figure below is operating at gm = 5 mA/V and has Cgs = 1 pF and Cgd = 0.2 pF. Channel-length modulation is negligibly small. (a) Find the midband voltage gain in dB. [5 marks] (b) Find the upper 3-dB frequency fH. [7 marks] (c) Find the value of CG that places the pole it introduces at 1 Hz. [4 marks] (d) Find the value of Cs that places the pole it introduces at 100 Hz. [4 marks] (e) Find the value of CD that places the pole it introduces at 10 Hz. [4 marks] (f) Sketch and carefully label the Bode plot for the gain magnitude in the STC form. Specify the lower 3-dB frequency fL. [8 marks]](https://www.doubtrix.com/uploads/editor/1023488269iYbdAyJQgX.png)