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

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

The emitter coupled pair of BJT’s gives a linear transfer relation between the differential output voltage and the differential input voltage V_id only. When the magnitude of V_id is less than '$$\alpha$$' times the thermal voltage, where '$$\alpha$$' is

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