lec10 - ENGR 111 Lecture 10 Reading: Chapters 22 Class...

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ENGR 111 Lecture 10 Reading: Chapters 22 Class notes
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Review of last lecture z Transistors – npn or pnp junctions z Allow many building blocks to be built z Inverter, NAND gate, NOR gate z Most electronic components are built on top of transistors z Transistors allow amplification of signals
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Characteristics of Transistors z Cutoff region, saturation region, linear region z Resistance in linear region can be controlled z Small changes to base current reflected as large changes at collector current { Can be used as amplifiers z Many interesting devices built from transistors
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Simple Transistor Circuit – Inverter z When Input is 1, bottom transistor on, output 0 z When Input is 0, top transistor on, output 1 Input Output 5V Ground
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Nor Gate z Output 0, when either input 1 5V Ground Input 1 Output Input 2
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Nand Gate z Output is 0, when both inputs 1 Input 1 Output Input 2 Ground 5 V
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What is Binary Representation?
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This note was uploaded on 03/26/2008 for the course ENGR 111 taught by Professor Walker during the Fall '07 term at Texas A&M.

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lec10 - ENGR 111 Lecture 10 Reading: Chapters 22 Class...

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