EE 332 Lesson 0709 - 7/9/2010 DESIGN FOR -INDEPENDENT...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
7/9/2010 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 DESIGN FOR -INDEPENDENT BIASING 4-RESISTOR SYSTEM V CC =9 V Q1 R 1 R 2 R C R E Assuming doing a 5% level design, in general, F is large, and if F =100 or more, then I B <1% of i C I B can be ignored since it generates 1% error with 5% level design. I C I B 3 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock DESIGN FOR -INDEPENDENT BIASING 4-RESISTOR SYSTEM V CC =9 V Q1 R 1 R 2 R C R E If I BB >>I B , then i B does not disturb the base voltage. RC RE CC CE ON BE CC E C RE E C RC C RC E RE C E ON BE CC ON BE B RE B CC B V V V V and V R R R V R R V R R V R V R V I I V R R R V V V V I R R R V V , ) ( ) 0 if (true , 2 1 1 , 2 1 1 , 2 1 1 I C I B I BB V B V BE,ON V RE Not a function of 4 ©UW EE TC Chen Microelectronic Circuit Design Jaeger/Blalock
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

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.

Page1 / 2

EE 332 Lesson 0709 - 7/9/2010 DESIGN FOR -INDEPENDENT...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online