An amplifier is an electronic device or circuit that is [...]

A Butterworth filter is a type of electronic filter characterized [...]

The Colpitts oscillator is a type of LC oscillator circuit [...]

A Darlington pair is a configuration of two bipolar transistors [...]

A differential amplifier is a fundamental building block in analog [...]

A gyrator is an electronic circuit element that mimics some [...]

The inverting amplifier is one of the most basic and [...]

A Joule thief is a type of minimalistic and energy-efficient [...]

The term "long-tailed pair" typically refers to a specific configuration [...]