Home Tutorials


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

Digital Multimeter images

Digital Multimeter working principle

What is a Digital Multimeter? A Digital multimeter or DMM is a test equipment used for resistance, voltage, current measurement and other electrical parameters as per requirement and displaying the results in the mathematical digits form...
Transistor amplifier diagram

Transistor as an amplifier: Common emitter amplifier circuit

More topics on transistor: Transistors basics Transistor operation  Transistor characteristics   Transistor configurations  Transistor as a switch Transistor oscillator circuit Darlington Transistor Amplifier is an electronic device which basically boost up the strength of the weak signal and converts...
Push pull amplifier image

Push Pull Amplifier Circuit, Operation, Advantages and Disadvantages

In our previous article, we have introduced you to amplifiers and its types. To recall it, An amplifier is an electronic device used to boost up the strength of the weak signal. Go through...