Electrical Engineering Guides

Circuit Theory

RC Circuit Analysis: Series, Parallel, Equations & Transfer Function

What is an RC Circuit? An RC circuit (also known as an RC filter or RC network) stands for a resistor-capacitor circuit. An RC circuit is defined as an electrical circuit composed of the passive circuit components of a resistor (R) and capacitor (C), driven by a voltage source or current source . Du

By Electrical4u 03/13, 2024
Circuit Theory

LC Circuit Analysis: Series And Parallel Circuits, Equations And Transfer Function

What is an LC Circuit? An LC circuit (also known as an LC filter or LC network) is defined as an electrical circuit consisting of the passive circuit elements an inductor (L) and a capacitor (C) connected together. It is also called a resonant circuit, tank circuit, or tuned circuit. An LC – Circuit

By Electrical4u 03/13, 2024
Circuit Theory

Inverting Operational Amplifier | Inverting Op Amp

What is an Inverting Amplifier? An inverting amplifier (also known as an inverting operational amplifier or an inverting op-amp) is a type of operational amplifier circuit which produces an output which is out of phase with respect to its input by 180 o . This means that if the input pulse is positi

By Electrical4u 03/13, 2024
Circuit Theory

Op Amp Characteristics

Operational amplifier or op amps as they are usually referred are linear devices that can give ideal DC amplification. They are fundamentally voltage amplifying devices used with external feedback components like resistors or capacitors . An op amp is a three terminal device, with one terminal calle

By Electrical4u 03/13, 2024
Circuit Theory

Op Amp Differentiator

Differentiator is an op amp based circuit, whose output signal is proportional to differentiation of input signal. An op amp differentiator is basically an inverting amplifier with a capacitor of suitable value at its input terminal. The figure below shows the basic circuit diagram of an op amp diff

By Electrical4u 03/13, 2024
Circuit Theory

Summing Amplifier or Op Amp Adder

An op amp is an amplifier. But an op amp can also perform summing operation. We can design an op amp circuit to combine number of input signals and to produce single output as a weighted sum of input signals. Summing amplifier is basically an op amp circuit that can combine numbers of input signal t

By Electrical4u 03/13, 2024
Circuit Theory

Non Inverting Operational Amplifier (OP Amp): Formula & Gain

Non-inverting amplifier is an op-amp-based amplifier with positive voltage gain. A non-inverting operational amplifier or non-inverting op-amp uses an op-amp as the main element. The op amp has two input terminals (pins). One is inverting denoted with a minus sign (-), and other is non-inverting den

By Electrical4u 03/13, 2024
Circuit Theory

Ideal Operational Amplifier or Ideal O Amp

What is an Ideal OP Amp? An operational amplifier (OP Amp) is a direct current coupled voltage amplifier. That is, it increases the input voltage that passes through it. The input resistance of an OP amp should be high whereas the output resistance should be low. An OP amp should also have very high

By Electrical4u 03/13, 2024
Circuit Theory

Negative Feedback in Op amp and Closed Loop Gain of Op amp

Negative Feedback in Op Amp We obtain Negative feedback in an op amp by connecting output terminal of an op amp to its inverting input terminal through a suitable resistance as shown below. The gain of an op amp with negative feedback is called closed loop gain . Closed Loop Gain of Op Amp When we c

By Electrical4u 03/13, 2024
Circuit Theory

Op amp or Operational Amplifier

An operational amplifier or op amp is a DC coupled voltage amplifier with a very high voltage gain. Op amp is basically a multistage amplifier in which a number of amplifier stages are interconnected to each other in a very complicated manner. Its internal circuit consists of many transistors, FETs

By Electrical4u 03/13, 2024
Circuit Theory

Applications of Op Amp

A linear amplifier like an op amp has many different applications. It has a high open loop gain, high input impedance and low output impedance. It has high common mode rejection ratio. Due to these favourable characteristics, it is used for different application. In this article, we are discussing s

By Electrical4u 03/13, 2024
Circuit Theory

Op-Amp Integrator: A Circuit that Performs Mathematical Integration

What is an Op-Amp Integrator? An op-amp integrator is a circuit that uses an operational amplifier (op-amp) and a capacitor to perform the mathematical operation of integration. Integration is the process of finding the area under a curve or function over time. An op-amp integrator produces an outpu

By Electrical4u 03/13, 2024

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RC Circuit Analysis: Series, Parallel, Equations & Transfer Function

LC Circuit Analysis: Series And Parallel Circuits, Equations And Transfer Function

Inverting Operational Amplifier | Inverting Op Amp

Op Amp Characteristics

Op Amp Differentiator

Summing Amplifier or Op Amp Adder

Non Inverting Operational Amplifier (OP Amp): Formula & Gain

Ideal Operational Amplifier or Ideal O Amp

Negative Feedback in Op amp and Closed Loop Gain of Op amp

Op amp or Operational Amplifier

Applications of Op Amp

Op-Amp Integrator: A Circuit that Performs Mathematical Integration

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