Testing Needs Of Automotive Industry

From in-vehicle communication to fuel efficiency and regulatory norms, every automotive innovation is becoming more complex and highly integrated. It implies that test and applications engineers must be innovative and resourceful...

FLASHER FOR DEEPAWALI

Here is the circuit for a portable electric lamp-cum-LED flasher. It uses a 25W, 230V AC bulb and nine LEDs. When the bulb glows all the LEDs remain 'off, 'and when...

T&M Equipment: Why Is Regular Calibration Important?

Calibration defines the accuracy and quality of your measurement. But just buying a certified, calibrated equipment is not the answer; you need to service and maintain the calibration of your equipment...

ELECTRONIC METRONOME

A metronome is used by musicians for practice in maintaining a consistent tempo, or rubato, around a fixed beat. This circuit produces a regular beat at the rate of 40 to...

RFID Testing Challenges For Complex RF Environments

A brief overview of RFID technology and testing challenges for complex operating environments where throughput and communication issues may be caused by multiple readers, dense-mode environments and pre-existing non-RFID signals COURTESY: TEKTRONIX The...

Keep Away NI-CD From Memory Effect

Ni-Cd batteries suffer from an undesirable memory effect due to partial discharge. The remedy is to completely discharge the battery before recharging. A simple resistor will do the discharging job nicely but...

Timer From Old Quartz Clock

You can build an accurate, low-cost timer from the circuit of an old quartz clock. This timer has a time duration of up to two hours, which is sufficient for most...

IR-Controlled Water Supply

This circuit can be used in homes or small restaurants for any type of water supply unit, such as toilet flush or washbasin tap. The circuit can be divided into three sections:...

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 signal outputs. A typical example of using a...

T&M in Mission-Critical Aerospace and Defence

As public-private partnership in aerospace and defence catalyses indigenous design and manufacturing, test and measurement holds great potential from design to delivery in the Indian strategic electronics market. Test and measurement...