EE 332 Lesson 0707 - 7/7/2010 BJT CIRCUIT ANALYSIS/LOAD...

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7/7/2010 1 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock EE 332 DEVICES AND CIRCUITS II WEEK 3 BIPOLAR JUNCTION TRANSISTORS ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT CIRCUIT ANALYSIS/ LOAD LINE Input : V BE , I B KVL on input loop: V CC = V BE + I B R B (input load line) Output: V CE , I C KVL output loop: V CC = V CE + I C R C Use this simple BJT circuit as an example V CC R C R B I C I B V BE v CE 3 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT CIRCUIT ANALYSIS/ LOAD LINE V CC = V BE + I B R B (input load line) V CC R C R B I C I B V BE V CE Input Characteristics: I B V BE ) 1 ( T BE V V F S B e I I V CC /R B V CC 4 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT CIRCUIT ANALYSIS/ LOAD LINE Output Characteristics: V CC /R C V CC I C V CE Load line: V CC = V CE + I C R C I B from analysis of input side I B I C and V CE are the Q-point of the BJT V CC R C R B I C I B V BE V CE 5 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock BJT CIRCUIT ANALYSIS / 4-RESISTOR BIASING CIRCUIT Problem : Find operation point (I C , V CE
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This note was uploaded on 10/12/2010 for the course IT 23211 taught by Professor Tai during the Summer '10 term at Punjab Engineering College.

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EE 332 Lesson 0707 - 7/7/2010 BJT CIRCUIT ANALYSIS/LOAD...

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