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Analog Integrated Circuit Design | ECE 6412, Assignments of Electrical and Electronics Engineering

Georgia Institute of Technology - Main Campus Electrical and Electronics Engineering

Material Type: Assignment; Class: Analog Integ Circuit Dgn; Subject: Electrical & Computer Engr; University: Georgia Institute of Technology-Main Campus; Term: Spring 2006;

Typology: Assignments

Pre 2010

Uploaded on 08/05/2009

koofers-user-jgw 🇺🇸

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ECE 6412 - Spring 2006 Page 1

Homework Assignment No. 11 Solutions

Problem 1 – (10 points)

Discover Assignments of Electrical and Electronics Engineering Georgia Institute of Technology - Main Campus

Partial preview of the text

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ECE 6412 - Spring 2006 Page 1

Homework Assignment No. 11 Solutions

Problem 1 – (10 points)

Problem 2 – (10 points)

Common mode half circuit:

1 2 3

3 '

1 2

1 1 3

' ' 1

'

3

' '

3 3

o o DD GS

D GS TP ov TP

p

o o

dm m o o

m n D n ov

p D ov

p p

V V V V

I

V V V V V

w k L

V V V

a g r r K where

w w g k I k v mS L L

w k I L v w w k k L L

= = = × =

× ⎝

3

'

1

1 3

n

o o

w k L

r K r K

⎪ ⎛^ ⎞

1 1 1 5 3 1 5 3

3

5

m cm o m o o m o m

m

o

g a r g r r g r g m K

g mS

r K

+ + ×

= × =

where

Because of adding the 20Kresistors, the adm becomes smaller but acm becomes much

smaller. The effective impedance of M 3 and M 4 is now 1/gm, which is much smaller than

roÆ adm/acm=1538 which is much higher than 100 in 12.4.

Problem 3 – (10 points)

Without Ccs:

1 1 2

1

1 2

1 1

cs

cms ov ov

cs cs

ov ov oc

cms cs cms oc cs cs cs cs

R

C s v v v

R R

C s

v v v

v R a v R R R C s R^ C s

Problem 5 – (10 points)

3 1

6 2

' '

(^6) '

(^3) '

0

1

2 1

o DD ds gs

n n ox p p ox

ov n

ov p

tn t

gs

v v v v

k C k C

v V k

V V V

v V

w mA w

L

−

⎛ ⎞ ×

⎝ ⎠ ×^ − 4

0

2

2 2 4

tp t

gs

L

V V V

v V

w mA w

Analog Integrated Circuit Design | ECE 6412, Assignments of Electrical and Electronics Engineering

Related documents

Partial preview of the text

Download Analog Integrated Circuit Design | ECE 6412 and more Assignments Electrical and Electronics Engineering in PDF only on Docsity!

V V V V

I

V V V V V

= = = × =

× ⎝

⎪ ⎛^ ⎞

+ + ×

= × =

R

R R

V V V

L

⎛ ⎞ ×

⎝ ⎠ ×^ − 4

L

V V V

L μ L

= × =

⎛ ⎞ × ⎛ ⎞

⇒ ⎜ ⎟ = = ⎜ ⎟ = × =

⎝ ⎠ ×^ − ⎝ ⎠