TARGET : GATE 2023/24

Analog Electronics
Topic : Diode Family (Clipper Circuit) DPP - 01
Date : 28/05/2022 Daily Practice Problem for Mind Map

Question 1
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
Vi
5V Ideal
20 V    

t Vi 6.8 kΩ V0
0
 20 V  

(A) V0 (B) V0

19.3 V
T
2 T
0 t 0 t
T T
2
19.3 V

(C) V0 (D) V0

15
T T
2 T 2 T
0 t 0 t

15  25 V
Question 2
Consider the circuit shown in below figure, assume diode is practical (V  0.7) . The output waveform of
the circuit is
Vi
Si 2.2 k
10 V Vi V0

t 1.2 k

10 V
TARGET : GATE 2023/24, DPP-01 2 GATE ACADEMY®

(A) V0 (B) V0

T
3.28 2 T
t

t
T T  3.28
2

(C) V0 (D) V0

6.56 T
2 T
t

t
T T
2  6.56

Question 3
Consider the circuit shown in below figure, assume diode is practical (V  0.7) . The output waveform of
the circuit is
Vi
Si 5V
10 V Vi V0
 

t 4.7 k

10 V

(A) V0 (B) V0

14.3
8.5

t t
T T T T
2 2

(C) V0 (D) V0

T
T
2 T
t 2 T
t

14.3  8.5

Question 4
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
Vi
2V Ideal
20V    

Vi 1 k V0
0
t
 
5V
GATE ACADEMY® 3 TARGET : GATE 2023/24, DDP-01

(A) V0 (B) V0

T
3
2 T
t
t
T T
3
2

(C) V0 (D) V0

T
3
2 T
t
t
T T
3
2

Question 5
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
Vi
Ideal
Vi V0
20V

22 k
0
t
5V 5V

(A) V0 (B) V0

20
20

5
t t
0 T T 0 T T
2 2

(C) V0 (D) V0
T T
2 T 2 T
t t
5

 20
20

Question 6
Consider the circuit shown in below figure, assume diode is practical (V  0.7) . The output waveform of
the circuit is
TARGET : GATE 2023/24, DPP-01 4 GATE ACADEMY®
Vi

8V  2.2 kΩ 
Si
Vi V0
t 
0 4V

 
 8V

(A) V0 (B) V0

8
4.7 T
T t 2 t
T T
2  4.7
8

(C) V0 (D) V0

4.7 T 4.7
2 T t t
T T
 4.7  4.7 2

Question 7
Consider the circuit shown in below figure, assume diode is practical (V  0.7) . The output waveform of
the circuit is
Vi
4V
8V Vi   V0
 2.2 kΩ

t Si

 8V

(A) V0 (B) V0

12 V
0.7
t 4

4 t
 0.7
12 V
GATE ACADEMY® 5 TARGET : GATE 2023/24, DDP-01
(C) V0 (D) V0

4.7 T 4.7
2 T t t
T T
 4.7  4.7 2

Question 8
Consider the circuit shown in below figure, assume diode is practical (V  0.7) . The output waveform of
the circuit is
Vi
10 kΩ
10 V
 
Si Si
t Vi V0
0
 
5.3 V 7.3 V
 
10 V  

(A) V0 (B) V0

8 6
T
0 0 2 T
t t
T T
6 2
8

(C) V0 (D) V0

8 8
T
0 2 T 0
t t
T T
6 2
8

Question 9
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is, when input Vi  10sin t V is
1 k
Vi V0

1 k 2 k
15 V
TARGET : GATE 2023/24, DPP-01 6 GATE ACADEMY®
(A) V0

7
5
0 t
–5
–7

– 10

(B) V0

10

7
5
0 t
–5
–7

(C) V0

7
5
0 t
–5
–7

(D) V0

7
5
0 t
–5
–7

Question 10
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
GATE ACADEMY® 7 TARGET : GATE 2023/24, DDP-01
vi R  100 
Vi V0
30 V

t +
0 10 V
–
30 V

(A) V0 (t )

10 V

– 30 V

(B) V0 (t )

30 V

– 10 V

(C) V0 (t )

10 V

– 10 V

(D) V0 (t )

10 V

– 10 V

Question 11
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
TARGET : GATE 2023/24, DPP-01 8 GATE ACADEMY®
Vi 2V
+ –
20 V + +

Vi 10 k V0
0 t
5 V – –

(A) V0 (t ) (B) V0 (t )

7V

t
0 t
0

– 7V

(C) V0 (t ) (D) V0 (t )

4V 4V
t t
0 0
– 4V – 4V

Question 12
Consider the circuit shown in below figure, assume diode is ideal (V  0) . The output waveform of the
circuit is
Vi Vi V0

20 V 2.2 k

+
0 t 5V
–
5 V

(A) V0 (t ) (B) V0 (t )

20 V 20 V

5V
t
0 t
0
(C) V0 (t ) (D) V0 (t )

20 V 20 V

5V
t
t 0
0
GATE ACADEMY® 9 TARGET : GATE 2023/24, DDP-01
Question 13
Consider the circuit shown in in below figure, the value of V1 and V2 are needed (in V) respectively to
produce the output waveform shown in below figure
Vi V0
10 k
10 V
+ +
6V
T D1 D2 T
2 T Vi V0 2 T
t – t
+
V1 V2
– +
– – 8 V
10 V

(A) 6, 8 (B) – 6, 8
(C) 6, – 8 (D) – 6, – 8
Question 14
A triangular wave form Vi (t ) shown in figure (a), is applied as input to the circuit shown figure (b).
Assume the diode to be ideal (V  0)
Vi (t )

D1
0.5 k
+ +
12 V
D2 1k
Vi (t) 1.5 k V0 (t )
+ +
7V 5V
– –
0
t (ms) – –
1 2 3 4
Fig. (a) Fig.(b)
The minimum and maximum levels V0min and V0 max in output wave form V0 (t ) are respectively.
(A) 5 V and 7 V (B) 3 V and 5 V
(C) 2 V and 3 V (D) 3 V and 7 V
Question 15
Consider the circuit shown in below figure, output waveform of the circuit is
Vi
2 k
16
+
+
0 t Vi V0
T T –
2 4V +
–
–
– 16
TARGET : GATE 2023/24, DPP-01 10 GATE ACADEMY®
(A) V0 (B) V0

16
12

4 4
t t
T T T T
2 2
(C) V0 (D) V0

16
12
T
2 T 4
t t
–4 T T
2

Question 16
Consider the circuit shown in below figure, assume diode is practical (V  0.7 V) .

+
20 k 10k
+
Vi V0
–
10 V +
– 10V
–

The plot of V0 verses Vi for 10  Vi  10 V is

9.3 9.3

3.33 3.33
Vi Vi
– 10 3.33 10 – 10 4.03 10
V0 V0
(C) (D)
10 10

3.33 3.33
Vi Vi
– 10 3.3 10 – 10 4.03 10
Question 17
Consider the circuit shown in below figure, assume diode is practical (V  0.7 V) .
GATE ACADEMY® 11 TARGET : GATE 2023/24, DDP-01
+

2 k 1k
1k V0
+
15 V + Vi
– –
–

The plot of V0 verses Vi is

(A) V0 (B) V0

19.6 19.6

5.7 4.3
Vi Vi
5.7 15 4.3 15

(C) V0 (D) V0

9.42 9.42
5.7 4.3
Vi Vi
5.7 15 4.3 15

Question 18

Consider the circuit shown in figure (a). If the diode used here has the V-I characteristics as shown in
figure (b), then the output waveform V0 is

(A) (B)

(C) (D)
TARGET : GATE 2023/24, DPP-01 12 GATE ACADEMY®
Question 19
In the circuit shown in below figure Vi is 4 V. Assuming the diodes to be ideal, V0 is

(A) 3 V (B) 4 V
(C) 4.5 V (D) 6 V
Question 20
In the circuit shown, assume that the diodes D1 and D2 are ideal. The average value of voltage Vab (in
Volts), across terminals ‘a’ and ‘b’ is ______. (rounded upto one decimal places)

Question 21
In the circuit shown, Vs is a square wave of period T with maximum and minimum values of 8 V and
– 10 V, respectively. Assume that the diode is ideal and R1  R2  50  . The average value of VL
is_______ volts (rounded off to one decimal place).
R1
Vs
8 

0 t Vs RL VL
T T
2

10

Question 22
In figure the input Vi is a 100 Hz triangular wave having a peak to peak amplifier of 2 V and on average
value of 0 volts. Given that the diode is ideal the average value of the output V0 (in V) is _____. (rounded
upto one decimal place)
GATE ACADEMY® 13 TARGET : GATE 2023/24, DDP-01
Question 23
Draw the transfer characteristics for the given circuit, assume ideal diodes.

(A) (B)

(C) (D)

Question 24
The input voltage Vi to a two level clipper shown below varies from 0 to 150 V. Assume diodes to be
ideal. The transfer characteristics of the circuit is

(A) (B)

(C) (D)

25 V

25 V 100 V 100 V
TARGET : GATE 2023/24, DPP-01 14 GATE ACADEMY®
Question 25
The input voltage Vi varies linearly from 0 to 150 V.

The transfer characteristics for the figure shown below is

(C) (D)

Question 26
The transfer curve for the given below figure :

(A) (B)
2/3

(C) (D)

Question 27
For the circuit in figure the cut-in voltage of diode is V  0.7 V. The plot of v0 verses vi is

2 k 1 k
1 k V0
15V Vi
GATE ACADEMY® 15 TARGET : GATE 2023/24, DDP-01
(A) V0 (B) V0

19.6 19.6

5.7 4.3

Vi Vi
5.7 15 V 4.3 15 V
(C) V0 (D) V0

9.42 9.42

5.7 4.3

Vi Vi
5.7 15 V 4.3 15 V
Question 28
The transfer characteristics for given circuit is

(A) (B)

(C) (D) V0

19.6

4.3

Vi
4.3 15 V
Question 29
Consider the circuit shown in below figure assume diode is ideal ( v  0 ), the output waveform of the
circuit is
vi
+ D1 D4
100 V
T  v0 
2 vi
T t R

100 V D2 D3
–
TARGET : GATE 2023/24, DPP-01 16 GATE ACADEMY®
v0 v0
(A) (B)

100 V 100 V
T
t 2 T
t
T T
2
–100 V

v0 v0
(C) (D)

100 V
T T
2 2 T
t t
T

–100 V –100 V

Question 30
In the circuit shown below, the three signals of fig are impressed on the input terminals. If diode are ideal
( v  0 ). The output waveform of the circuit is
v
v3 D1

+ D2
v2
v1 + D3
t v1 v0
+
v2
v3 10 k
– – –

(A) (B)

(C) (D)

