design exercise 06 excel guide

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  • 7/26/2019 Design Exercise 06 Excel Guide

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    Class Number n VT (volts)

    10 10.5 12

    These are the target values

    IT (mA) IR1 (mA) IR2(mA) IR3 (mA) R1 (ohms)

    30.5 4.3 !.25 1".5 253#

    In$ut %ommer%&all' ava&lable res&stors

    R1 R2 R3

    1100 "10 !#0

    es&gn Values or the %ommer%&al values o the re

    IR1 (mA) IR2 (mA) IR3 (mA) IT (mA)

    10."1 13.1" 1.! 41.

    es&gn or %urrent o the %&r%u&t

    IR1 (*) IR2 (*) IR3 (*) IT (*)

    +130.! +110."0 ".5"5 +3!.#!2

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    R2 (ohms) R3 (ohms)

    1"1" !15

    &stor