Solved Examples of Inverting Operational Amplifier
Q1. Determine the gain for the given circuit.
The above circuit is of inverting operational amplifier
Hence the gain will be
gain= -Rf/Rin
On putting values
gain=-R2/R1
Q2. Derive the value of output voltage from previously derived results if R2 is 10 ohm R1 is 2 ohms and input voltage is 0.2V.
Calculating the gain from previously derived result
gain=-(10)/2= -5
Hence gain is -5
Now we define gain as the factor by which input signals gets amplified
Hence
gain=Vout/Vin
Hence Vout= gain* Vin
On putting the values
Vout= -5 * 0.2 V= -1V
Hence output voltage is -1V
Inverting Operational Amplifier
Operational amplifiers are an important category of instruments used in electronics engineering. Often they are used for the task of amplifying the output. In this category of instruments, there is a subcategory known as Inverting Operational Amplifiers. They are typically used when we need an opposite phase for the input waveform. In this article, we will discuss what is Inverting Operational Amplifier. We will discuss their work and the equation used for calculating the gain of an Inverting Operational Amplifier. We will also discuss the advantages and disadvantages of Inverting Operational Amplifier. To understand the real-life usage of these, we will also discuss some applications of Inverting Operational Amplifiers. The article will also aim to provide a comparative analysis between an Inverting operational Amplifier and a Non-Inverting Operational Amplifier. We will conclude the article with some frequently asked questions.
Table of Content
- Inverting Operational Amplifier
- Working
- Inverting Amplifier Equation and Gain
- Advantages
- Disadvantages
- Application
- Inverting Vs Non-Inverting Op-Amp
- Solved Examples