Question-Sa BJT based current-mirror VBEQIVREQ2 +0.7V & Bor a) Apply KVL at Rref & Q1 branch to calculate the reference-current Irf +Vcc 10v b) Use the main equation to calculate the precise value of load-current I Tref circuit with Vcc=+10V. If the two transistor Q1 & Q2 are matched with Boz -B-40 control Rref 1.2kn Rload 6800 2₂ 177

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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.