GATE ECE 2004 | Bipolar Junction Transistor Question 41 | Analog Circuits

GATE ECE 2004

MCQ (Single Correct Answer)

-0.3

Assuming V_Cesat=0.2V and β = 50, the minimum base current (I_B) required to drive the transistor in the figure to saturation is GATE ECE 2004 Analog Circuits - Bipolar Junction Transistor Question 62 English

GATE ECE 2004 Analog Circuits - Bipolar Junction Transistor Question 62 English

56 µA

140 mA

60 µA

3 mA

GATE ECE 2001

MCQ (Single Correct Answer)

-0.3

The current gain of a BJT is

$$g_mr_o$$

$$\frac{g_m}{r_o}$$

$$g_mr_\mathrm\pi$$

$$\frac{g_m}{r_\mathrm\pi}$$

GATE ECE 2000

MCQ (Single Correct Answer)

-0.3

Introducing a resistor in the emitter of a common amplifier, stabilizes the dc operating point against variations in

only the temperature

only the β of the transistor

both temperature and β

none of the above

GATE ECE 1998

MCQ (Single Correct Answer)

-0.3

In a series regulated power supply circuit, the voltage gain A_v of the ‘pass’ transistor satisfies the condition:

$$A_v\rightarrow\infty$$

$$1\;\ll\;A_v\;\ll\;\infty$$

$$A_v\;\approx\;1$$

$$A_v\;\ll\;1$$

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Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous

Network Theory

Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks Miscellaneous

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Electronic Devices and VLSI

Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET

Analog Circuits

Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer

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Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise

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Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves