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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...
Build a Flashing UFO Toy with Lights and Sound Effects
This unidentified flying object (UFO) is nothing but an electronic toy depicting the fantacy. It comprises three separate sections, viz, rim flasher, dome flasher...
DIY Doorbell That Sounds Like a Parrot—No IC Required!
Here is a mains-operated door-bell that produces parrot-like sweet voice without requiring any musical IC. The circuit is cheap and easy to construct. The...
Protect Your Appliances with This Over/Under Voltage Cut-Out Circuit
This over/under voltage cut-out will save your costly electrical and electronic appliances from the adverse effects of very high and very low mains voltages.
The...
