Consider the bjt cascode amplifier

Reference no: EM131037743

8.78 Consider the BJT cascode amplifier of Fig. 8.38 for the case all transistors have equal β and ro. Show that the voltage gain Av can be expressed in the form

Evaluate Av for the case /VA /= 5 V and β = 50. Note that except for the fact that β depends on I as a second-order effect, the gain is independent of the bias current I!

Reference no: EM131037743

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