ANALOG ELECTRONICS - 7BPH5C1
III Internal Test
Answer Any Four 4x5 = 20
Time : 1 Hr
1. Discuss current and voltage gain of negative feedback amplifiers.
2. Derive Barkhausen criterion for sustained oscillations.
3. State and explain the golden rules of op-amps.
4. Explain the concept of virtual ground in op-amps.
5. Describe with diagram an op-amp adder circuit.