The parameters of the circuit in Figure 1 are R, = 500n, Ci = 20µF, R; = 1kN, RL = 10AN, C2 = 10PF, and gm 15mA/V. Use s-domain analysis to find the low 3-dB frequency fL. the high 3-dB frequency fH and the midband gain Au(nid) ApB. %3D Vị RL Vo C2

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Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.