This post describes a circuit that has a capacitive input sensor and a switching transistor at the output PNP. When…

While driving on highways, motorists should not exceed the maximum speed limitpermitted for their vehicles. However, accidents keep occurring due…

A band Stop Filter known also as a Notch Filter, blocks and rejects frequencies that lie between its two cut-off…

The state variable filter is a type of multiple-feedback filter circuit that can produce all three filter responses, Low Pass,…

Second Order (or two-pole) Filters consist of two RC filter sections connected together to provide a -40dB/decade roll-off rate. Second…

In the previous filter tutorials we looked at simple first-order type low and high pass filters that contain only one…

The principal characteristic of a Band Pass Filter or any filter for that matter is its ability to pass frequencies…

An Active High Pass Filter can be created by combining a passive RC filter network with an operational amplifier to…

By combining a basic RC Low Pass Filter circuit with an operational amplifier we can create an Active Low Pass…

A Low Pass Filter is a circuit that can be designed to modify, reshape or reject all unwanted high frequencies…

The Difference Between MCB & MCCB? 1- Miniature Circuit Breaker (MCB)  :                    …

Air Circuit Breaker This circuit breaker will work noticeably all around; the extinguishing medium is an Arc at the climatic…

A phase splitter circuit produces two output signals that are equal in amplitude but opposite in phase from each other…

The amplifier features delay, dc protection, and temperature monitoring across the speaker protection circuits. Since the application of short circuit…

Push-button bathroom fan switch design supports timed operation. This design switches a 120VAC load, and includes several much-needed details on…

A universal problem in battery-operated devices is the threat of damage when an end user (never an engineer) inserts the…

Polarity-correcting circuit protects battery-powered devices. previously-published Design Idea outlined a polarity protection circuit that provides the correct connection of the…

Thevenin theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a…

Nodal Voltage Analysis finds the unknown voltage drops around a circuit between different nodes that provide a common connection for…

The fundamental relationship between voltage, current, and resistance in an electrical or electronic circuit is called Ohm’s Law. All materials…

To determine the amount or magnitude of the electrical current flowing around an electrical or electronic circuit, we need to…

Kirchhoffs Circuit Laws allow us to solve complex circuit problems by defining a set of basic network laws and theorems…