8.9 Consider the basic BJT current mirror of Fig. 8.7 for the case in which Q2 has m times the area of Q1. Show that the current transfer ratio is given by Eq. (8.19). If β is specified to be a minimum of 80, what is the largest current transfer ratio possible if the error introduced by the finite β is limited to 10%?

8.9 - 8.9 Consider the basic BJT current mirror of Fig. 8.7 for the case in which Q2 has m times the area of Q1. Show that the current transfer ratio is given by Eq. (8.19). If β is specified to be a minimum of 80, what is the largest current transfer ratio possible if the error introduced by the finite β is limited to 10%?

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images - 8.9 Consider the basic BJT current mirror of Fig. 8.7 for the case in which Q2 has m times the area of Q1. Show that the current transfer ratio is given by Eq. (8.19). If β is specified to be a minimum of 80, what is the largest current transfer ratio possible if the error introduced by the finite β is limited to 10%?

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