Integrated Circuits Quiz

What is an Integrated Circuit (IC)?

• A discrete transistor

• A set of passive components

• A circuit fabricated on a single chip

• A transformer

Which of the following is a linear IC?

• Timer IC 555

• Microprocessor

• Operational amplifier

• Shift register

An opamp is basically a

• Voltage controlled resistor

• Voltage controlled voltage source

• Current controlled current source

• Transformer based amplifier

How many terminals does a typical opamp have?

• 2

• 3

• 5

• 8

The ideal open loop gain of an opamp is:

• 1

• 10

• Infinite

• Zero

The ideal input impedance of an opamp is:

• Zero

• 10 ohms

• Very low

• Infinite

The ideal output impedance of an opamp is:

• Very high

• Infinite

• Zero

• 10 kΩ

The Common Mode Rejection Ratio (CMRR) of an ideal opamp is:

• Zero

• One

• Infinite

• Negative

Which of the following is not an ideal opamp characteristic?

• Infinite bandwidth

• Infinite slew rate

• Infinite noise

• Zero offset voltage

The purpose of the power supply pins in an opamp is to:

• Bias the input

• Provide reference voltage

• Power the internal circuitry

• Control gain