Varactor Diode Explained (Working, Specifications and Applications of Varactor Diode)
In this video, what is varactor diode, it’s working, the applications and some important specifications are explained.
By watching this video, you will learn the following topics:
0:00 Introduction
0:21 What is Varactor Diode
1:23 Working of the Varactor Diode
5:19 Equivalent Circuit of the Varactor Diode
6:28 Important Specifications of the Varactor Diode
9:01 Applications of the Varactor Diode
What is Varactor Diode :
The varactor diode is one type of PN junction diodes whose internal capacitance changes with the applied reverse bias voltage.
It is also known as Varicap diode (Variable Capacitance).
Applications of the Varactor Diode
1) Voltage Controlled Oscillator
2) Phase and Frequency Modulators
3) RF Filters
4) FM Receivers and other telecommunication receivers (For tuning)
Important Specifications of the Varactor Diode:
1) Capacitance Range
2) Capacitance Ratio
3) Reverse Current (Leakage cur