EE 330 Lect 28 Fall 2011

EE 330 Lect 28 Fall - EE 330 Lecture 28 Small-Signal Model Extension Applications of the Small-signal Model Review from Last Lecture Small Signal

Info iconThis preview shows pages 1–20. Sign up to view the full content.

View Full Document Right Arrow Icon
EE 330 Lecture 28 Small-Signal Model Extension Applications of the Small-signal Model
Background image of page 1

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

View Full DocumentRight Arrow Icon
Small Signal Model of BJT CQ t I βV g CQ t I V m g CQ AF I V O g 21 22 C BE CE yy  i V V 11 12 B BE CE i V V C m BE O CE gg i V V B BE g iV g O g m V BE V BE g π B E C An equivalent circuit Review from Last Lecture
Background image of page 2
Small Signal BJT Model B E C V be i c g m V be g o V ce i b g π t CQ m V I g t CQ βV I g AF CQ V I g o t CQ βV I g CQ V I g o B E C V be i c g o V ce i b g π b i β Alternate equivalent small signal model Review from Last Lecture
Background image of page 3

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

View Full DocumentRight Arrow Icon
Bi-Linear Relationship between i 1 , i 2 , v 1 , v 2 i 1 Linear Two Port v 1 i 2 v 2 Small-Signal Model Representations The good, the bad, and the unnecessary !! i 1 Linear Two Port v 1 i 2 v 2 y-parameters 1 11 1 12 2 yy  i V V 2 21 1 22 2 i V V i 1 Linear Two Port v 1 i 2 v 2 y-parameters 1 1 2 mr gg i V V 2 1 2 mo i V V i 1 Linear Two Port v 1 i 2 v 2 H-parameters (Hybrid Parameters) 1 11 1 12 2 hh V i v 2 21 1 22 2 i i v i 1 Linear Two Port v 1 i 2 v 2 H-parameters (Hybrid Parameters) 1 1 2 ie re V i v 2 1 2 fe oe i i v what we have developed: The hybrid parameters: Review from Last Lecture
Background image of page 4
Bi-Linear Relationship between i 1 , i 2 , v 1 , v 2 i 1 Linear Two Port v 1 i 2 v 2 Small-Signal Model Representations The good, the bad, and the unnecessary !! i 1 Linear Two Port v 1 i 2 v 2 y-parameters 1 11 1 12 2 yy  i V V 2 21 1 22 2 i V V i 1 Linear Two Port v 1 i 2 v 2 y-parameters 1 1 2 mr gg i V V 2 1 2 mo i V V i 1 Linear Two Port v 1 i 2 v 2 H-parameters (Hybrid Parameters) 1 11 1 12 2 hh V i v 2 21 1 22 2 i i v i 1 Linear Two Port v 1 i 2 v 2 H-parameters (Hybrid Parameters) 1 1 2 ie re V i v 2 1 2 fe oe i i v i 1 Linear Two Port v 1 i 2 v 2 z-parameters 1 11 1 12 2 zz V i i 2 21 1 22 2 V i i i 1 Linear Two Port v 1 i 2 v 2 ABCD-parameters 1 2 2 AB v  Vi 1 2 2 CD i v i i 1 Linear Two Port i 2 v 2 S-parameters v 1 i 1 Linear Two Port i 2 v 2 T-parameters v 1 Equivalent circuits often given for each representation All provide identical characterization Easy to move from any one to another Review from Last Lecture
Background image of page 5

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

View Full DocumentRight Arrow Icon
Active Device Model Summary What are the simplified dc equivalent models? Simplified Simplified Simplified Simplified Simplified 0.6V dc equivalent G D S V GSQ 2 OX GSQ Tn μC W V -V 2L G D S V GSQ   2 OX GSQ Tp μC W V -V 2L B C E BQ βI 0.6V I BQ B C E BQ βI 0.6V I BQ Review from Last Lecture
Background image of page 6
Engineering Trends and Study Abroad Options
Background image of page 7

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

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9

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

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11

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

View Full DocumentRight Arrow Icon
Background image of page 12
Background image of page 13

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

View Full DocumentRight Arrow Icon
Background image of page 14
Background image of page 15

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

View Full DocumentRight Arrow Icon
Background image of page 16
Background image of page 17

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

View Full DocumentRight Arrow Icon
Engineers educated today will be under increasing pressure to be able to communicate with, supervise, work with, and work for Asian engineers that may or may not have good English communication skills and must understand the culture of engineers around the world to be effective This is not something that may happen in the future but rather is something that is already occurring and WILL become increasingly critical in the next decade
Background image of page 18
The increasing role Asia is playing in both the engineering field and the
Background image of page 19

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

View Full DocumentRight Arrow Icon
Image of page 20
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 01/31/2012.

Page1 / 56

EE 330 Lect 28 Fall - EE 330 Lecture 28 Small-Signal Model Extension Applications of the Small-signal Model Review from Last Lecture Small Signal

This preview shows document pages 1 - 20. Sign up to view the full document.

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