Varactor Diode

Definition: The Varactor diode is a type of diode whose internal capacitance varies with the reverse voltage. The varactor diode operates in reverse bias and it … Read more


Diode Testing

This article explains how to test a diode using a digital multimeter in two test modes. The two test modes are as follows. In order … Read more


Zener Diode

Explore the versatile functionality of Zener diode, which allow current to flow in both directions, making them a crucial component of electronic circuits. This article … Read more


Difference between BJT and FET

The key difference between BJT and FET is that BJT is a current-controlled device, while FET is a voltage-controlled device. This article describes the differences … Read more