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electric circuits 2 sheet 6, Exercises of Electrical Circuit Analysis

German University in Cairo Electrical Circuit Analysis

Op amp circuit analysis method

Typology: Exercises

2018/2019

Uploaded on 05/04/2019

omar-omoor 🇪🇬

1 document

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Problem (1):

a)Find 𝑽𝒐 as function of 𝑽𝒔

𝑁𝑜𝑑𝑎𝑙 @𝑉𝑛

𝑉𝑛

7𝑘+𝑉𝑛−𝑉𝑜

56𝑘= 0

𝑉𝑛(1

7𝑘+1

56𝑘) = 𝑉𝑜

56𝑘

𝑉𝑛=1

9𝑉𝑜

𝑁𝑜𝑑𝑎𝑙 @𝑉𝑝

𝑉𝑝

8𝑘+𝑉𝑝−𝑉𝑠

32𝑘= 0

𝑉𝑝(1

8𝑘+1

32𝑘) = 𝑉𝑠

32𝑘

𝑉𝑝=1

9𝑉𝑠

𝑉𝑛= 𝑉𝑝

1

9𝑉𝑜=1

9𝑉𝑠

𝑉𝑜=9

5𝑉𝑠

b) Find the range of values for 𝑽𝒔 such that not saturate and the op amp remains in its linear

region of operation. −15 ≤ 𝑉𝑜≤12

−15 ≤9

5𝑉𝑠≤12

−25

3≤ 𝑉𝑠≤20

3

Faculty of IET

Dr. Tarek Saad

Dr. Rania Sweif

Spring 2018

Electric circuits II

Sheet Nr. (6)–Solution

Operational Amplifier (Opamp)

𝑉𝑛

𝑉𝑝

Discover Exercises of Electrical Circuit Analysis German University in Cairo

Partial preview of the text

Download electric circuits 2 sheet 6 and more Exercises Electrical Circuit Analysis in PDF only on Docsity!

Problem (1):

a)Find 𝑽

𝒐

as function of 𝑽

𝒔

𝑛

𝑜

𝑛

𝑜

𝑛

𝑜

𝑝

𝑠

𝑝

𝑠

𝑝

𝑠

𝑛

𝑝

𝑜

𝑠

𝑜

𝑠

b) Find the range of values for 𝑽

𝒔

such that not saturate and the op amp remains in its linear

region of operation.

𝑜

𝑠

Faculty of IET

Dr. Tarek Saad

Dr. Rania Sweif

Spring 2018

Electric circuits II

Sheet Nr. ( 6 )–Solution

Operational Amplifier (Opamp)

𝑛

𝑝

C) Find the range of values of 𝒊

𝒂

𝑎

𝑛

𝑜

𝑛

𝑜

𝑛

𝑜

−

9

𝑎

12

9

𝑎

Problem (3):

Show that

0

𝑖

=

2

1

(1 +

2

𝐺

)

Nodal @ 𝑉

𝑁

1

𝑁

3

2

1

2

𝑁

1

2

𝑁

3

1

𝑁

2

𝑁

1

2

3

1

𝑁

1

2

3

1

2

1

Nodal @ 𝑉

𝑝

2

1

𝑝

4

2

1

2

𝑝

2

𝑝

4

1

𝑝

2

𝑝

1

2

4

1

𝑝

2

4

1

2

1

𝑁

𝑝

𝑁

𝑝

1

2

3

1

2

1

2

4

1

2

1

2

3

1

2

4

1

2

3

4

1

2

𝑖𝑛

− 2 𝑅

1

𝑅

2

3

4

Nodal @ 𝑉

3

𝑁

2

3

0

2

3

4

𝐺

2

𝐺

3

𝑁

𝐺

3

0

2

3

4

3

𝐺

2

𝐺

𝑁

𝐺

0

2

4

Nodal @ 𝑉

4

𝑝

2

4

2

4

3

𝐺

2

𝐺

4

𝑝

𝐺

4

2

4

3

4

𝐺

2

𝐺

𝑝

2

3

𝑝

𝑁

1

2

3

4

𝑁

𝑝

Eq.2 – Eq.

3

𝐺

2

𝐺

𝑁

𝐺

0

2

4

𝐺

2

𝐺

𝑝

2

3

4

𝐺

2

3

4

2

𝐺

0

3

4

𝐺

2

𝐺

0

3

4

𝐺

0

𝐺

2

Substitute in eq. 1

𝑖𝑛

1

2

𝐺

0

𝐺

2

𝑖𝑛

0

1

2

𝐺

2

0

𝑖𝑛

2

1

2

𝐺

Problem (5):

Find 𝑉

Nodal @ 𝑉 1

1

− 3

1

𝑁

1

𝑁

− 3

1

𝑁

− 7

Nodal @ 𝑉

1

2

− 3

2

𝑝

2

𝑝

− 3

2

𝑝

− 7

Nodal @ 𝑉 𝑁

𝑁

1

𝑁

0

𝑁

1

0

Nodal @ 𝑉

𝑝

2

𝑝

2

𝑝

2

Subs 4 in 2

2

− 7

2

𝑝

2

𝑝

𝑁

𝑝

Subs. 𝑉

𝑝

in 1

1

− 3

− 7

1

− 3

0

1

2

𝑝

𝑁

electric circuits 2 sheet 6, Exercises of Electrical Circuit Analysis

Related documents

Partial preview of the text

Download electric circuits 2 sheet 6 and more Exercises Electrical Circuit Analysis in PDF only on Docsity!

Problem (1):

a)Find 𝑽

as function of 𝑽

b) Find the range of values for 𝑽

such that not saturate and the op amp remains in its linear

region of operation.

Faculty of IET

Dr. Tarek Saad

Dr. Rania Sweif

Spring 2018

Electric circuits II

Sheet Nr. ( 6 )–Solution

Operational Amplifier (Opamp)

C) Find the range of values of 𝒊