Home> Schools> University of California, Berkeley> Electrical Engineering (ELENG)> ELENG 105> Lecture 23

Berkeley ELENG 105 - Lecture 23 (11 pages)

Previewing pages 1, 2, 3, 4 of 11 page document View the full content.
View Full Document

Lecture 23



Previewing pages 1, 2, 3, 4 of actual document.

View the full content.
View Full Document
View Full Document

Lecture 23

45 views


Pages:
11
School:
University of California, Berkeley
Course:
Eleng 105 - Microelectronic Devices and Circuits
Microelectronic Devices and Circuits Documents

Unformatted text preview:

EECS 105 Spring 2002 Lecture 23 R T Howe Lecture 23 Last time Frequency response of voltage and current buffers Today Start multi stage amplifiers Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Multistage Amplifiers Necessary to meet typical specifications for any of the 4 types We have 2 flavors NMOS PMOS of CS CG and CD What are the constraints 1 Input output resistance matching 2 DC coupling no passive elements to block the signal why not Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Start Two Stage Voltage Amplifier Use two port models to explore whether the combination works CS1 CS2 Results Rin Rin1 Rout Rout2 Av Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Using CMOS Stages CS1 CS2 CD3 Input resistance Voltage gain 2 port parameter Output resistance Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Multistage Current Buffers Are two cascaded common base stages better than one CG1 CG2 Input resistance Rin Rin1 Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Common Gate 2nd Stage Rout Rout 2 r02 1 g m 2 RS 2 roc 2 Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Summary of Cascaded Amplifiers General goals 1 Boost the gain parameter except for buffers 2 Optimize the input and output resistances Voltage Current Transconductance Transresistance Dept of EECS Rin Rout University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Second Design Issue DC Coupling Constraint large inductors and capacitors are not available Output of one stage is directly connected to the input of the next stage must consider DC levels why Dept of EECS University of California Berkeley EECS 105 Spring 2002 Lecture 23 R T Howe Alternative CG CC Cascade Use a PMOS CD Stage DC level shifts upward Dept of EECS University of California


View Full Document

Popular Documents 

Bipolar Amplifiers

Bipolar Amplifiers

ELENG 105 (Berkeley)

EE 105 Discussion Section 101

EE 105 Discussion Section 101

ELENG 105 (Berkeley)

Lecture 4: Resonance

Lecture 4: Resonance

ELENG 105 (Berkeley)

Lecture 8: Electrons and hole currents, IC Resistors

Lecture 8: Electrons and hole currents, ...

ELENG 105 (Berkeley)

Bode Plots

Bode Plots

ELENG 105 (Berkeley)

Popular Course Packets 

Popular Flashcards 

Reviews

I found the perfect study guide and several practice exams to help me focus on what's important for the midterm.

-- Jessica S., UCLA

The best part of GradeBuddy is having the ability to understand coursework and study for exams based off other students' experiences.

-- Valerie A., USC

Through GradeBuddy Premium I discovered the best study resources I needed to do well on my exams.

-- Tim M., Texas A&M

Access the best Study Guides, Lecture Notes and Practice Exams

Please select your school

Login

Join to view Lecture 23 and access 3M+ class-specific study document.

Continue Continue
or
We will never post anything without your permission.
Don't have an account?

We couldn't create a GradeBuddy account using Facebook because there is no email address associated with your Facebook account.

Link an email address with your Facebook below or create a new account.

Sign Up

Join to view Lecture 23 and access 3M+ class-specific study document.

Continue Continue
or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?

We couldn't create a GradeBuddy account using Facebook because there is no email address associated with your Facebook account.

Link an email address with your Facebook below or create a new account.