GATE 2024 Analog Circuits Rank Booster Quiz 8

In the amplifier circuit shown in figure, the transistor has at a thermal voltage of. The upper cutoff frequency of the amplifier is approximately.

The DC voltage gain in the following circuit is given by

Consider an amplifier circuit shown in the figure below.

The voltage gain of the circuit is equal to ___________ (Assume V_T = 25 mV and V_BE = 0.7 V)

The h_FE values in the specification sheet of a transistor are h_FE(max) = 225 and h_FE(min) = 64 . What value of h_FE is to be adopted in practice?

An open transistor (with c = 1pF) has a unity-gain cut of frequency f₁ 200 MHz at a dc bias current I_C = 10 mA. The value off C_μ (in pF) is _______ (V_T = 2.6 mV)

(upto one decimal point)

Which one of the following gain equations is correct for a MOSFET common source amplifier? ( g_m is mutual conductance and R_D is load resistance at as drain)

Consider an NMOS device with parameters V_TNO = 1V and = 0.37V. Determine the maximum value of r such that the shift in threshold voltage between V_SB = 0 and V_SB = 10 V is not more than 1.2V