741 Op Amp | Linear IC's | Integrators | Differentiators

Question 1

Is a monolithic integrated circuit, comprising of a general
purpose Operational Amplifier.

Answer 1

741 Op Amp IC

Question 2

Manufactured the 741 Op Amp IC in the year 1963

Answer 2

Fairchild semiconductors

Question 3

What does the number 741 mean in 741 Op Amp?

Answer 3

It has 7 functional pins, 4 pins capable of taking input and 1 output pin

Question 4

741 Op Amp comes in these 3 form factors

Answer 4

• 8 Pin DIP Package
• TO5-8 Metal can package
• 8 Pin SOIC

Question 5

In 741 Op Amp, there are 2 Power Supply pins give 1.

Answer 5

• Pin4
• Pin7

Question 6

Is the positive voltage supply terminal of 741 Op Amp

Answer 6

Pin7

Question 7

Is the negative voltage supply terminal of 741 Op Amp

Answer 7

Pin4

Question 8

What is the range of voltage between Pin4 and Pin7

Answer 8

5V and 18V

Question 9

This is the output pin of IC 741. The voltage at this pin depends on the signals at the input pins and the feedback mechanism
used.

Answer 9

Pin6

Question 10

True or False. If the output is said to be low, it means that voltage at the output is
equal to positive supply voltage. Similarly, if the output is said to be high, it
means that voltage at the output is equal to negative supply voltage.

Answer 10

False.

If the output is said to be high, it means that voltage at the output is
equal to positive supply voltage. Similarly, if the output is said to be low, it
means that voltage at the output is equal to negative supply voltage.

Question 11

These are input pins for the IC 741

Answer 11

• Pin2
• Pin3

Question 12

_____ is the inverting
input pin and _____ is the non-inverting input pin.

Answer 12

• Pin2
• Pin3

Question 13

Offset Null pins of IC 741

Answer 13

• Pin1
• Pin5

Question 14

This pin is not connected to any circuit inside 741 IC. It’s just a dummy lead used to fill the void space in standard 8 pin
packages

Answer 14

Pin8 (N/C)

Question 15

Out of 8 IC 741 Op Amp Specifications, give one

Answer 15

• Power Supply: Requires a Minimum voltage of 5V and can withstand up to 18V
• Input Impedance: About 2 MΩ
• Output impedance: About 75 Ω
• Voltage Gain: 200,000 for low frequencies (200 V / mV)
• Maximum Output Current: 20 mA
• Recommended Output Load: Greater than 2 KΩ
• Input Offset: Ranges between 2 mV and 6 mV
• Slew Rate: 0.5V/µS (It is the rate at which an Op-Amp can detect voltage changes)

Question 16

Is an electronic circuit that operates with
linear signal processing.
Are designed to produce an output signal that
is a linear function of the input signal

Answer 16

Linear IC

Question 17

Are an essential component in modern electronic systems. They
provide precise signal processing and amplification, making them an integral part
of many different types of circuits and devices

Answer 17

Linear IC’s

Question 18

What are the 2 Types of Linear IC’s

Answer 18

• Operational Amplifiers
• Voltage Regulators

Question 19

They are used in a wide range of applications, including amplification, filtering,
and signal conditioning.

Answer 19

Operational Amplifiers

Question 20

Are another type of linear ICs that are used to regulate the output voltage of a power supply. They are used in a wide range of applications,
including DC-DC converters, battery chargers, and voltage stabilizers.

Answer 20

Voltage Regulators

Question 21

Are used to compare two input voltages and generate an output signal based on the comparison. They are used in a wide range of applications, including voltage monitoring, level detection, and waveform shaping.

Answer 21

Comparators

Question 22

What are the 4 Applications of Linear ICs

Answer 22

• Audio Amplifiers
• Sensor Signal Conditioning
• Power Management
• Signal Generators

Question 23

Are circuit that compares one signal level with
another level, the signal level in
which the input is compared to, is
called the reference voltage level,
Vref.

Answer 23

Comparators

Question 24

Are comparators that gives an output of +Vsat and -Vsat when the input of the system crosses the zero reference voltage

Answer 24

Zero-Crossing Detectors

Question 25

Zero-crossing detector is also called _____ as it can have an input analog signal converted to a digital signal.

Answer 25

sine to square wave converter

Question 26

What is the reference voltage in the ZCD

Answer 26

zero volts

Question 27

Non-Zero reference comparators are called?

Answer 27

limit detectors.

Question 28

2 types of Comparator with Non-Zero Reference Voltage

Answer 28

- Positive Threshold - Negative Threshold

Question 29

True or False. The problem with comparators is when it contains a considerable amount of noise in the circuit.

Answer 29

True

Question 30

A comparator that uses positive feedback is called the _____. The input voltage is supplied through the inverting side. The feedback is positive since the loop adds to the input voltage.

Answer 30

Schmitt trigger

Question 31

What are the 5 applications of Comparators

Answer 31

- Analog and Digital Circuit Interface - Voltage Detection - Current Detection - Temperature Sensing - Analog to Digital Converter

Question 32

3 practical applications of Comparators

Answer 32

- Monitoring system for humidity using Arduino sensors - Heartbeat Sensor Circuit - Smoke Alarm Circuit

Question 33

Is an electronic circuit that produces an output that is the integration of the applied input (input voltage applied to its inverting terminal)

Answer 33

- Integrators

Question 34

Is an electronic circuit that produces an output equal to the first derivative of its input. (input voltage that is applied to its inverting terminal)

Answer 34

- Differentiator