2. For the cascode amplifier below, determine (a) the base and collector currents of each transistor (b) the voltages VB1, VB2, VE1, Vc1, Ve2 and Vc2 - Vcc = 22 V RC 2.2 k2 RB, 8.2 k2, C=5µF Q2 B2=120 10 µF RB2 4.7 k2. Q1 B1=60 C,= 5 µF RB3 Cg= 20 µF Rg 1.1 k2 3.3 k2.

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Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.