6.99 Figure P6.99 shows a particular configuration of BJT amplifiers, known as "emitter follower." The bias arrange- ment is not shown. Replace the BJT with its T equivalent- circuit model of Fig....

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Extracted text: 6.99 Figure P6.99 shows a particular configuration of BJT amplifiers, known as "emitter follower." The bias arrange- ment is not shown. Replace the BJT with its T equivalent- circuit model of Fig. 6.41(b). Show that Rin = = (B+ 1)(r, + R) R. R + re %3D R. = Rin 오+