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Photovoltaic Battery Charge Controller

A charge controller is one of the main components of a solar battery charging system (Fig. 1). Its main function is to fully charge...

“For anything to have wide adoption, Open standards are must”

Electronic design automation (EDA) plays the most important role in design and development of any product. Pravin Madhani, general manager, place and route division...

Post-Silicon Testing

Considering that every chip in the world and every transistor on the chip are tested, just imagine the amount of time and cost involved...

ELECTRIC GUITAR PREAMPLIFIER

Here is the circuit of a guitar preamplifier that would accept any standard guitar pickup. It is also versatile in that it has two...

Standby Power-Loss Preventer

Electronic devices consume some power even in the standby mode, i.e., when they have been switched off using a remote handset but not the...

WiMAX Testing, Step by Step

Based on orthogonal frequency-division multiple-access (OFDMA) and multiple-input multiple-output (MIMO) technologies, WiMAX systems require specialised test equipment from design to deployment stage SHWETA DHADIWAL BAID Worldwide...

Industry-Grade Equipment For Academia

Engineers are created in labs. Hence it is essential to keep the lab equipment current and close to the real world to create engineers...

Stereo Headphone Amplifier

Here is an inexpensive circuit for a stereo amplifier to drive a low-impedance headphone set. The circuit uses a few cheap transistors (BC547 and...

MOBILE BUG

This handy, pocket-size mobile transmission detector (Mobile Bug) can sense the presence of an activated mobile phone from a distance of one and a-half...

FLYING SAUCER

This unidentified flying object (UFO) is nothing but an electronic toy depicting the fantacy. It comprises three separate sections, viz, rim flasher, dome flasher...
 
 

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