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Basic Op Amp Circuits and Projects

Last Updated on June 23, 2026 by Swagatam 20 Comments

op amp integrator equation relationship

In the following article I have explained op amp basic application circuits and projects, with equations, for solving their specific component values. Op-amps (operational amplifiers) are a specialized type of integrated circuit that include a directly-coupled, high-gain amplifier with an overall response characteristics adjusted by a feedback. The op-amp derives its name from the fact […]

Filed Under: Mini Projects Tagged With: Basic, Circuits, Projects

12 Simple IC 4093 Circuits and Projects Explained

Last Updated on June 23, 2026 by Swagatam 10 Comments

4093 piezo driver circuit

The 4093 is a 14-pin package containing four positive-logic, 2-input NAND Schmitt trigger gates as shown in the following figure. It is possible to operate the four NAND gates separately or collectively. The individual logic gates of the IC 4093 works in the following manner. As you can see each gate has two inputs (A […]

Filed Under: Mini Projects Tagged With: 4093, Circuits, Explained, Projects, Simple

Basic Electronic Circuits Explained

Last Updated on June 23, 2026 by Swagatam 40 Comments

circuit symbols

The article below comprehensively discusses all the basic facts, theories and information regarding the working and use of common electronic components such as resistors, capacitors, transistors, MOSFETs, UJTs, triacs, SCRs. The various small basic electronic circuits explained here can be effectively applied as building blocks or modules for creating multistage circuits, by integrating the designs […]

Filed Under: Mini Projects Tagged With: Basic, Circuits, Electronic, Explained

Best IC 555 Circuits and Projects

Last Updated on June 23, 2026 by Swagatam 3 Comments

image

The IC 555 timer is a popular and adaptable integrated circuit that has established itself as a standard in the electronics industry. It is a well-liked option for DIY and educational projects thanks to its straightforward design, inexpensive price, and simplicity of accessibility. The IC 555 timer, which can produce a variety of waveforms including […]

Filed Under: Mini Projects Tagged With: 555, Best, Circuits, Projects

Comparator Circuits using IC 741, IC 311, IC 339

Last Updated on June 23, 2026 by Swagatam 17 Comments

comparator 1

The basic function of a comparator circuit to compare two voltage levels at its input pins and produce an output to show which input voltage has higher potential than the other. In this article we will elaborately learn how to correctly design comparator circuits using popular ICs like IC 741, IC 311 and IC LM339 […]

Filed Under: Mini Projects Tagged With: 311, 339, 741, Circuits, Comparator

SCR Applications Circuits

Last Updated on June 23, 2026 by Swagatam 32 Comments

Half wave series static switch.

In this article I have explained many interesting SCR application circuits and also learn the main features and properties of an SCR also called a thyristor device. What’s an SCR or Thyristor SCR is the acronym of Silicon Controlled Rectifier, as the name suggests it’s a kind of diode or a rectifying agent whose conduction […]

Filed Under: Mini Projects Tagged With: Applications, Circuits, SCR

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