Popular Electronics Articles
Introduction The most commonly used method to circularize the elliptical beam is to use a pair of anamorphic correcting prisms, as shown in Fig.1. The prisms can enlarge or reduce the beam size in one direction while keeping the beam size in ...
Block Diagram of 8051 Microcontroller Block diagram of 89C51 Pin Diagram of 89C51 Microcontroller <i ...
LED Interfacing Making a LED Blink The first step is to build a simple circuit. At this point you should be familiar with the parts used. This design is intended for use with an Atmel 89s51 but also possible for others family 8051.< ...
Near Field Communication Interface and Protocol-2 (NFCIP-2) Brief history In 2002, Ecma International formed Task Group 19 of Technical Committee 32 to specify Near Field Communication (NFC) signal interfaces and protocols. The NFC devi ...
There were some historic crude, but useable semiconductor rectifiers before high purity materials were available. Ferdinand Braun invented a lead sulfide, PbS, based point contact rectifier in 1874. Cuprous oxide rectifiers were used as power rectifier ...
Introduction It is simple water level indicator which indicates the level of water. That alerts you, if level of water is overflowed. Circuit Diagram <h ...
Microprocessor and Microcontroller Microcontroller was a by-product of the microprocessor development. The same fabrication techniques and programming concepts that make possible the general purpose microprocessor also yielded the micro ...
TETRA - Terrestrial Trunked Radio for Professional Cellular System TETRA, the European standard for Trunked Radio Systems, is primarily intended for users in the public security sphere, transport, utilities and operators of public Trunked Radio ...
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri-state logic has a third line called enable line. ...
Abstract Maritime safety is of paramount concern to the scores of people who make a living from the sea. To ensure their safety and to provide safe navigation for ships, the most popularly used instrument worldwide is the Echo Sounder. The Ec ...
