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Saturday, December 6, 2008

Basic Equations For The BJT

For npn: VB > VE + 0.6 V

For pnp: VBE – 0.6 V

For both npn and pnp anytime

IE = IC + IB

For both npn and pnp only in the active region

IC = h FE IB = ß IB

IE = IC+ IB = (ß+1) IB ~ ß IB

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