Electronic Devices-Basic Op-Amp Circuits
Electronic Devices-Basic Op-Amp Circuits
11. A differentiator is used to measure
- the sum of the input voltages.
- the difference between two voltages.
- the area under a curve.
- the rate of change of the input voltage.
12. A(n) ________ amplifier is a summing amplifier with a closed-loop gain equal to the reciprocal of the number of inputs.
- averaging
- scaling
- none of the above
13. ________ is a mathematical process for determining the rate of change of a function.
- Integration
- Differentiation
- Summing
- Comparatoring
14. An integrator circuit
- uses a resistor in its feedback circuit.
- uses an inductor in its feedback circuit.
- uses a capacitor in its feedback circuit.
- uses a resistor in its feedback circuit or uses a capacitor in its feedback circuit
15. In a comparator with output bounding, what type of diode is used in the feedback loop?
- Schottky
- junction
- zener
- varactor Answer & Explanation
16. A comparator with hysteresis is sometimes known as a(n)
- integrator.
- differentiator.
- Schmitt trigger.
- none of the above
17. Which of the following are variations of the basic summing amplifier?
- averaging amplifier
- scaling amplifier
- both of the above
19. An op-amp can be used as a comparator to determine when an input voltage exceeds a certain level.
- TRUE
- FALSE
20. The output voltage of a summing amplifier is proportional to the sum of the input voltages.
- TRUE
- FALSE