A pnp transistor with ß = 60 is connected in a common-base configuration as shown in Figure below. (a) The emitter is driven by a constant-current source with Ie = 0.75 mA. Determine IB Ic, a, and Vc (b) Repeat part (a) if IĘ = 1.5 mA. (c) Is the transistor biased in the forward-active mode for both parts (a) and (b)? Why or why not? Vc Rc = 5 kN 10 V Ic IB

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Differential amplifier

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