Analog Electronics (BJT) GATE Previous questions and solutions.

Here are some of Analog Electronics (BJT) GATE Previous questions. The answers can be found in the link at the end of the page.

1)  A Cascade Amplifier Stage is equivalent to
a) A common emitter stage followed by a common base stage
b) A common base stage followed by an Emitter follower
c) An Emitter follower stage followed by a common base stage
d) A common base stage followed by a common emitter stage

2) The cascode amplifier is a configuration of
a) CC-CB b) CE-CB c) CB-CC d) CE-CC

3)  If C3 capacitor is removed from the following circuit. Which of the following statements is true

a) The input resistance Ri increases and the magnitude of voltage gain Av decreases

b) The input resistance Ri decreases and the magnitude of voltage gain Av increases.

c) Both the input resistance Ri and the magnitude of voltage gain Av decreases.

d) Both input resistance Ri and the magnitude of voltage gain Av increase.

4) Identify the type of feedback topology used in the following circuit

a) Voltage-Series

b)Voltage-Shunt

c) Current-Series

d) Current-Shunt

5) If the quiescent collector current Ic, of a transistor increases, then which of the following is true

a) gm will not be affected

b) gm will decrease

c)gm will increase

d) gm will increase or decrease depending upon bias stability.

Solutions :--> Key Answers