Understanding the core principles of radio communication is essential for electronics enthusiasts, and at its heart lies the concept of modulation. This article delves into the intricacies of a frequency modulation circuit , exploring how it dynamic…
A current mirror is a fundamental building block in analog integrated circuit design. It is an active circuit designed to copy or "mirror" a current flowing through one device by controlling the current in another active device of the sam…
Audio signals can be used to achieve frequency modulation in a simple manner by connecting a capacitor microphone to a tuned oscillating circuit. However, for practical purposes, a better level of linearity and control over the center frequency is r…
Here it is illustrated how to design DC power supply with half-wave rectifier, capacitor input filter and Zener diode based voltage regulator. This is a detailed power supply design calculation with Zener diode regulator. Almost all electronics de…
In this educational electronics tutorial, it is explained what choke input filter is, what it does, where it is used. Also it is explained how to calculate the inductor and capacitor values of an choke input filter. The choke input filter is an L s…
In this educational electronics tutorial, it is explained what choke input filter is, what it does, where it is used. Also it is explained how to calculate the inductor and capacitor values of an choke input filter. The choke input filter is an L s…
An AC signal is converted to DC signal using an electronics circuit which is called a rectifier. There are mainly three types of rectifiers called half wave rectifier, full wave rectifier and bridge rectifier. These are build using diodes. The DC v…
Here it is show how to build voltage regulator design with Zener diode. A voltage regulator produces regulated power supply of particular voltage and current from unregulated power supply. The 7805 IC(Integrated Circuit), LM7806, LM7809, LM7812, LM3…
Trans istor based LED fl asher circuits are commonly used in a variety of applications , including automotive lighting systems , alarms and security systems , medical equipment , and entertainment systems . Here it is show…
This tutorial teaches how you can build DIY PC based LCR meter to measure resistance, capacitance and inductance. Using PC as LCR meter is useful and if you don't have LCR meter or oscilloscope. LCR meter are quite expensive so here an alternat…
