The semiconductor tester circuit explained below performs continuity tests on SCRs, bipolar transistors, and diodes. How the Circuit Works A squarewave oscillator with a frequency of about 350 Hz is produced […]
Search Results for: devices
22 Watt Stereo Amplifier Circuit using TDA1554
The IC TDA1554 based Amplifier circuit discussed in this article can provide up to 22 watts per channel into a couple of four-ohm loudspeakers. The main attraction is that you […]
How to Calculate Zener Diode Resistor
In this article we learn how to calculate and the find the value of the zener diode resistor using simple formulas. What is a Zener Diode Zener diodes are semiconductor […]
Point Contact Diodes [History, Construction, Application Circuit]
In this article we will comprehensively learn about the early point contact diodes, and their modern versions which are Germanium diodes. Here we will learn the following facts: Brief history […]
Ion Detector Circuit [Static Discharge Detector]
The following post discusses a simple ion detector circuit which can be used for detecting positive and negative ions generated by high voltage circuits. This device can be also used […]
Light Emitting Diodes (LED) Explained
The full form of LED is Light Emitting Diode. LEDs are special type of semiconductor diodes which emit light in response to a potential difference applied across their terminals, hence […]