Op-Amp Basics
Ideal vs Practical Op-Amp
Op-Amp Applications
Op-Amp Circuits
100

What does Op-Amp stand for?

Operational Amplifier

100

What is the ideal input impedance of an Op-Amp?

Infinite

100

What type of amplifier configuration produces a phase-inverted output?

Inverting Amplifier


100

In an inverting amplifier, where is the input signal applied?

To the inverting (-) terminal through a resistor

200

What are the two input terminals of an Op-Amp called?

Inverting (-) and Non-inverting (+) terminals

200

What is the ideal output impedance of an Op-Amp?

Zero

200

Which Op-Amp circuit adds multiple input voltages?

Summing Amplifier

200

What is the voltage gain formula for a non-inverting amplifier?

Av=1+(R1/Rf)

300

What is the typical symbol used for an Op-Amp?

A triangle with two inputs and one output

300

In practical Op-Amps, is the Gain finite or infinite?

Finite but very large

300

Name a circuit that converts a triangular wave to a square wave using an Op-Amp.

Comparator

300

In a summing amplifier, the output is the ______ of the inputs.

Weighted sum

400

What is the function of an Op-Amp in an analog circuit?

To amplify the difference between the two input voltages

400

What parameter defines the difference between the output voltage and actual amplified input difference?

Offset Voltage

400

Which Op-Amp circuit produces a ramp signal from a square wave?

Integrator

400

What is the typical output voltage range of a 741 Op-Amp powered with ±15V?

Approximately ±13V

500

Name one common Op-Amp IC.

741 Op-Amp

500

What causes input bias currents in a practical Op-Amp?

Base currents of the input transistors

500

What Op-Amp circuit produces a derivative of the input signal?

Differentiator

500

What type of Op-Amp configuration is used for buffering signals?

Voltage Follower (Unity Gain Buffer)