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GATE 2023 Analog Circuits Quiz 55

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Question 1

The two transistor are identical and VA=∞ (collection current IC = 1mA, VT = 25mV, RB = 25kΩ, β=99).  The impedance seen from the emitter of Q is _____Ω

Question 2

In the circuit shown in figure, the output voltage V0 is __________, if the NMOS transistor have Vth = 1V of

Question 3

Fig. shows a two-stage direct coupled amplifier using silicon transistors, what is the potential of collector of w.r.t. ground?

Question 4

Consider BJT with emitter and collector currents equal and. The small signal voltage gain of the BJT differential amplifier circuit shown below is _____. (Assume)

Question 5

For β → ∝  & |VBE| = 0.7V,  IC1=1mA,Vcc=12V ,V0= ?

Question 6

Find VCE2 (in Volts) if β is large.

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Jul 1ESE & GATE EC