1
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
An operational-amplifier circuit is shown in the figure. GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 60 English

The output of the circuit for a given input $${V_i}$$ is

A
$$ - \left( {{{{R_2}} \over {{R_1}}}} \right){V_i}$$
B
$$ - \left( {1 + {{{R_2}} \over {{R_1}}}} \right){V_i}$$
C
$$\left( {1 + {{{R_2}} \over {{R_1}}}} \right){V_i}$$
D
$$ + {V_{sat}}\,\,$$ or $$ - {V_{sat}}\,\,$$
2
GATE EE 2014 Set 3
Numerical
+2
-0
A hysteresis type $$TTL$$ inverter is used to realize an oscillator in the circuit shown in the figure. GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 23 English

If the lower and upper trigger level voltages are $$0.9$$ $$V$$ and $$1.7$$ $$V,$$ the period (in $$ms$$), for which output is LOW, is ____________.

Your input ____
3
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
The transfer characteristic of the Op-amp circuit shown in figure is GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 24 English
A
GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 24 English Option 1
B
GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 24 English Option 2
C
GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 24 English Option 3
D
GATE EE 2014 Set 3 Analog Electronics - Operational Amplifier Question 24 English Option 4
4
GATE EE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
A single-input single-output feedback system has forward transfer function $$𝐺(𝑠)$$ and feedback transfer function $$𝐻(𝑠).$$ It is given that $$\left| {G\left( s \right)H\left( s \right)} \right| < 1.$$ Which of the following is true about the stability of the system?
A
The system is always stable
B
The system is stable if all zeros of $$𝐺(𝑠)𝐻(𝑠)$$ are in left half of the $$s$$-plane
C
The system is stable if all poles of $$𝐺(𝑠)𝐻(𝑠)$$ are in left half of the s-plane
D
It is not possible to say whether or not the system is stable from the information given
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