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Mixed Signals and Sensors > 741 Op Amp | Linear IC's | Integrators | Differentiators > Flashcards

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

1
Q

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

A

741 Op Amp IC

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2
Q

Manufactured the 741 Op Amp IC in the year 1963

A

Fairchild semiconductors

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3
Q

What does the number 741 mean in 741 Op Amp?

A

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

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4
Q

741 Op Amp comes in these 3 form factors

A
  • 8 Pin DIP Package
  • TO5-8 Metal can package
  • 8 Pin SOIC
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5
Q

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

A
  • Pin4
  • Pin7
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6
Q

Is the positive voltage supply terminal of 741 Op Amp

A

Pin7

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7
Q

Is the negative voltage supply terminal of 741 Op Amp

A

Pin4

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8
Q

What is the range of voltage between Pin4 and Pin7

A

5V and 18V

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9
Q

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.

A

Pin6

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10
Q

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.

A

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.

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11
Q

These are input pins for the IC 741

A
  • Pin2
  • Pin3
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12
Q

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

A
  • Pin2
  • Pin3
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13
Q

Offset Null pins of IC 741

A
  • Pin1
  • Pin5
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14
Q

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

A

Pin8 (N/C)

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15
Q

Out of 8 IC 741 Op Amp Specifications, give one

A
  • 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)
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16
Q

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

A

Linear IC

17
Q

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

A

Linear IC’s

18
Q

What are the 2 Types of Linear IC’s

A
  • Operational Amplifiers
  • Voltage Regulators
19
Q

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

A

Operational Amplifiers

20
Q

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.

A

Voltage Regulators

21
Q

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.

A

Comparators

22
Q

What are the 4 Applications of Linear ICs

A
  • Audio Amplifiers
  • Sensor Signal Conditioning
  • Power Management
  • Signal Generators
23
Q

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.

A

Comparators

24
Q

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

A

Zero-Crossing Detectors

25
Q

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

A

sine to square wave converter

26
Q

What is the reference voltage in the ZCD

A

zero volts

27
Q

Non-Zero reference comparators are called?

A

limit detectors.

28
Q

2 types of Comparator with Non-Zero Reference Voltage

A
  • Positive Threshold
  • Negative Threshold
29
Q

True or False.

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

A

True

30
Q

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.

A

Schmitt trigger

31
Q

What are the 5 applications of Comparators

A
  • Analog and Digital Circuit Interface
  • Voltage Detection
  • Current Detection
  • Temperature Sensing
  • Analog to Digital Converter
32
Q

3 practical applications of Comparators

A
  • Monitoring system for humidity using Arduino sensors
  • Heartbeat Sensor Circuit
  • Smoke Alarm Circuit
33
Q

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

A
  • Integrators
34
Q

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)

A
  • Differentiator

Mixed Signals and Sensors (5 decks)

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