GATE ECE 1990 | GATE ECE Year Wise Previous Years Questions

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

The CMRR of the differential Amplifier of the fig is equal to GATE ECE 1990 Analog Circuits - Operational Amplifier Question 58 English

1000

900

1800

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

The Op-Amp of fig has a very poor open loop voltage gain of 45 but is otherwise ideal. The gain of the Amplifier equals: GATE ECE 1990 Analog Circuits - Operational Amplifier Question 57 English

4.5

GATE ECE 1990

MCQ (More than One Correct Answer)

-0

Which of the following statements are correct for basic transistor Amplifier configurations?

CB Amplifiers has low input impendence and low current gain.

CC Amplifiers has low output impedence and a high current gain.

CE Amplifier has very poor voltage gain but very high input impedance.

The current gain of CB Amplifier is higher than the current gain of CC Amplifiers.

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

For good stabilized biasing of the transistor of the CE Amplifier of fig, we should have GATE ECE 1990 Analog Circuits - Bipolar Junction Transistor Question 25 English

GATE ECE 1990 Analog Circuits - Bipolar Junction Transistor Question 25 English

$${{{R_E}} \over {{R_B}}} < < 1$$

$${{{R_E}} \over {{R_B}}} > > 1$$

$${{{R_e}} \over {{R_B}}} < < {h_{FE}}$$

$${{{R_E}} \over {{R_B}}} > > {h_{FE}}$$

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