GATE ECE 1998 | Bipolar Junction Transistor Question 52 | Analog Circuits

From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier:

gain-bandwidth product

slow rate

upper 3-dB frequency

lower 3-dB frequency

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:

$$A_v\rightarrow\infty$$

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

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

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

GATE ECE 1995

MCQ (Single Correct Answer)

-0.3

A transistor having $$\alpha$$ = 0.99 and V_BE = 0.7 V, is used in the circuit of the figure.What is the value of the collector current?

GATE ECE 1995 Analog Circuits - Bipolar Junction Transistor Question 69 English

5.32 mA

6.0 mA

6.5 mA

7.0 mA

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Signals and Systems

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

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Electromagnetics