Polytechnic Hub - Page 82 of 92 - for Electronics, Electrical, Mechanical, Automobile & Textiles

Modes of Heat transfer

Heat is defined as the energy transfer without transfer of mass across the boundary of the system due to the temperature difference between the system and surrounding. The Process of…

Technical Editor March 3, 2015

Electronics Articles

Plasma electronics display technology

Dr. S. S. VERMA, Department of Physics, S.L.I.E.T., Longowal, Distt.-Sangrur (Punjab)-148106 Electronics in one or the other form of its applications, at one hand is growing to reach each and…

Ravi Barwad March 1, 2015

Electronics Articles

The characteristics of Comparator

A comparator as name says, it compares a signal on one input of an op-amp with a known voltage called the reference voltage on the other input .comparator is nothing…

Ravi Barwad February 15, 2015

Electronics Articles

What is multivibrator and its different types

A multivibrator is an electronic circuit used to implement a variety of simple two state systems such as oscillators ,timers and flip-flops . It is characterized by two amplifying devices…

Ravi Barwad February 15, 2015

Electronics Articles

Standards to ensure a clean mains supply Courtesy: RECOM Asia Pte. Ltd. LEDs as electronic components weren't originally designed for lighting, but that hasn't stopped them from conquering the market with…

Ravi Barwad February 14, 2015

Figure 1: Thermal Images from Testo Thermal Imager

Electronics Articles

Technology for Thermal Imaging

SuperResolution Technology for Thermal Images The Revolutionary SuperResolution Technology for High-Resolution Thermal Images from Testo Courtesy: Testo India Pvt. Ltd. All objects warmer than minus 273 degrees centigrade (absolute zero)…

Ravi Barwad February 14, 2015

Figure 4: In an RFID, the reader antenna generates an electromagnetic field that energizes a chip inside the tag. Shown is the electromagnetic field in both parts.

Electronics Articles

Simulation and Multiphysics

By Alexandra Foley, Technical Writer, COMSOL The most effective simulation is one that is able to capture and combine all physics in a single simulation environment, where they are coupled…

Ravi Barwad February 14, 2015

Electronics Articles

Embedded Design and Development

The growing features in electronics products adds complexity and challenges for design engineers. The survey states that writing, debugging and verifying consumes largest marker share of embedded development boards. Engineers…

Ravi Barwad February 14, 2015

Electronics Articles

Electronics Sector Jobs in year 2015

Indian Electronics engineers are the most qualified & eligible engineers in the world, but still unemployed. Let's see why? Employment is the most important aspect determining the growth of opportunities…

Ravi Barwad February 14, 2015

Electronics Articles

Wind tree as energy generator

By Dr. S. S. VERMA; Department of Physics, S.L.I.E.T., Longowal; Distt.-Sangrur (Punjab)-148 106 Growing need and desire of present life style for energy has resulted in the depletion of natural…

Ravi Barwad February 14, 2015