1
GATE EE 2024
Numerical
+2
-0

A difference amplifier is shown in the figure. Assume the op-amp to be ideal. The CMRR (in dB) of the difference amplifier is ________ (rounded off to 2 decimal places).

GATE EE 2024 Analog Electronics - Operational Amplifier Question 1 English
Your input ____
2
GATE EE 2023
MCQ (Single Correct Answer)
+2
-0.67

Consider the OP AMP based circuit shown in the figure. Ignore the conduction drops of diodes $$D_1$$ and $$D_2$$. All the components are ideal and the breakdown voltage of the Zener is 5 V. Which of the following statements is true?

GATE EE 2023 Analog Electronics - Operational Amplifier Question 2 English

A
The maximum and minimum values of the output voltage $$V_0$$ are +15 V and $$-$$10 V, respectively.
B
The maximum and minimum values of the output voltage $$V_0$$ are +5 V and $$-$$15 V, respectively.
C
The maximum and minimum values of the output voltage $$V_0$$ are +10 V and $$-$$5 V, respectively.
D
The maximum and minimum values of the output voltage $$V_0$$ are +5 V and $$-$$10 V, respectively.
3
GATE EE 2022
MCQ (Single Correct Answer)
+2
-0.67

The output impedance of a non-ideal operational amplifier is denoted by Zout. The variation in the magnitude of Zout with increasing frequency, f, in the circuit shown below, is best represented by

GATE EE 2022 Analog Electronics - Operational Amplifier Question 4 English

A
GATE EE 2022 Analog Electronics - Operational Amplifier Question 4 English Option 1
B
GATE EE 2022 Analog Electronics - Operational Amplifier Question 4 English Option 2
C
GATE EE 2022 Analog Electronics - Operational Amplifier Question 4 English Option 3
D
GATE EE 2022 Analog Electronics - Operational Amplifier Question 4 English Option 4
4
GATE EE 2022
MCQ (Single Correct Answer)
+2
-0.67

The current gain (Iout/Iin) in the circuit with an ideal current amplifier given below is

GATE EE 2022 Analog Electronics - Operational Amplifier Question 3 English

A
$${{{C_f}} \over {{C_c}}}$$
B
$${{ - {C_f}} \over {{C_c}}}$$
C
$${{{C_c}} \over {{C_f}}}$$
D
$${{ - {C_c}} \over {{C_f}}}$$
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