GATE ECE 2006 | Bipolar Junction Transistor Question 30 | Analog Circuits

GATE ECE 2006

MCQ (Single Correct Answer)

-0.3

The input impedance (Z_i) and the output impedance (Z_o) of an ideal transconductance (voltage controlled current source) amplifier are

Z_i = 0, Z_o = 0

Z_i = 0, Z_o = $$\infty$$

Z_i = $$\infty$$, Z_o = 0

Z_i = $$\infty$$, Z_o = $$\infty$$

GATE ECE 2005

MCQ (Single Correct Answer)

-0.3

The cascode amplifier is a multistage configuration of

CC-CB

CE-CB

CB-CC

CE-CC

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 58 English

GATE ECE 2004 Analog Circuits - Bipolar Junction Transistor Question 58 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

$$g_mr_o$$

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

$$g_mr_\mathrm\pi$$

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

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