GATE Electronics: oscillators, operational amplifiers and their applications, active filters – Previous Year Questions
5 GATE previous year questions on oscillators, operational amplifiers and their applications, active filters (Electronics, Physics) with answers and explanations, from every paper.
- GATE 2023 PH Q37 – An input voltage in the form of a square wave of frequency 1 kHz is given to a circuit, which results in the output shown schematically below. Which…
- GATE 2026 PH Q43 – In the circuit shown, V(t) = 2 sin(2000πt) Volts, where t is in seconds, which of the following options is correct? (take the opamp to be ideal)
- GATE 2026 PH Q60 – The output signal (current Id) of a reversed biased (with a voltage Vb) photodiode, on which light is incident, is fed to an amplifier (see figure).…
- GATE 2025 PH Q65 – The figure shows an opamp circuit with a 5.1 V Zener diode in the feedback loop. The opamp runs from ±15 V supplies. If a +1V signal is applied at the…
- GATE 2024 PH Q63 – Consider the operational amplifier circuit shown in figure. The output voltage V0 is V (in integer).