8.77 Use Eq. (8.88) to show that for a BJT cascode current source utilizing identical pnp transistors and supplying a current I, IR o =  VA  VT  VA  +(1/β) Evaluate the figure-of-merit IRo for the case  VA  = 5 V and β = 50. Now find Ro for the cases of I = 0.1, 0.5, and 1.0 mA

8.77 - 8.77 Use Eq. (8.88) to show that for a BJT cascode current source utilizing identical pnp transistors and supplying a current I, IR o =  VA  VT  VA  +(1/β) Evaluate the figure-of-merit IRo for the case  VA  = 5 V and β = 50. Now find Ro for the cases of I = 0.1, 0.5, and 1.0 mA

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images - 8.77 Use Eq. (8.88) to show that for a BJT cascode current source utilizing identical pnp transistors and supplying a current I, IR o =  VA  VT  VA  +(1/β) Evaluate the figure-of-merit IRo for the case  VA  = 5 V and β = 50. Now find Ro for the cases of I = 0.1, 0.5, and 1.0 mA

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