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This category contains tutorials to "how to use" a gadget in a friendly way.

Transistor as a switch

Transistor as a switch: Description

More topics on Transistors: Transistor basics Transistor operation Transistor characteristics Transistor configurations Transistor oscillator circuit common emitter amplifier Darlington transistor Transistor is a semiconductor device used to switch or amplify electrical power and electronic signal. In our previous...
Oscillator image

Oscillator: Introduction and Types

Oscillator is an electronic device provides a source of the repetitive alternating current signal across its output terminal without needing any input because signal generated is usually of constant amplitude. Common signals generated by...
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Crystal Oscillator: Circuit and Design [Description]

Crystal oscillator is an electronic oscillator used to create an electrical signal of precise frequency by using the vibrating crystal mechanical resonance made of piezoelectric material. In our previous articles, we explain Hartley oscillators...