GATE ECE gateece_analog — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice GATE ECE gateece_analog in the app →An ideal op-amp in negative feedback obeys which two 'golden rules' due to Sedra-Smith?For an inverting amplifier with input resistor R1 and feedback resistor Rf, the closed-loop voltage gain is whIn a common-emitter BJT amp with emitter degeneration RE, the voltage gain magnitude (ignoring ro) approximateThe slew rate of an op-amp limits which signal characteristic?For a single-pole op-amp with open-loop DC gain A_OL and unity-gain bandwidth f_T, the gain-bandwidth product A class-A power amplifier biased for sinusoidal output has maximum theoretical efficiency η_max equal to whichA Wien-bridge oscillator using identical R and C in the frequency-selective branch oscillates at frequency f₀ In a CMOS differential pair with bias current IB, the small-signal differential transconductance Gm_diff equalThe common-mode rejection ratio (CMRR) of an op-amp is defined as which?For a single-stage common-source MOSFET amplifier with output resistance r_o, the small-signal voltage gain inIn a bandgap voltage reference (Widlar topology), the output voltage equals which expression?For an ideal integrator built with an op-amp (input R, feedback C), the output is which transformation of inpu