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Do You DIY?
Have you ever seen little children, who have just learnt to sit up, grabbing a ball-point pen from their dad’s pocket, disassembling it and...
How Important is Calibration
Calibration always seems to be scheduled at the most critical time in a project, but is it really important? This article explains briefly what...
Demo Circuit for Over-Voltage Protection
Over-voltage protection circuits are used to protect voltage-sensitive loads. Voltage transients may occur due to a number of reasons such as transformer switching, load...
Selection of RF Test Instruments
Test instruments are used to make measurements. These are required in production units, R&D laboratories, calibration laboratories, maintenance and service centres, etc. For qualifying...
Dummy Load for Amplifier Testing
If you want to test an audio amplifier, here is a compact fan-cooled dummy load that can be used to provide any of the...
Test and Measurement of Passive Components
From a process point of view, there is always some risk of instruments currently in use being actually out-of-specification. Let’s take a close look...
Electronic Tool Kits for the Pros
Whether you are a professional or a hobbyist, you need specific tools to work on your DIY electronics project. You might have acquired some...
New T&M Devices
JUNE 2009: The need for test and measurement (T&M) is across industries. Whether in automotive or manufacturing plants, engineers and scientists need flexible, cost-effective...
Top 6 Trends in Test & Measurement
The new generation of consumer electronics devices converge Internet connectivity, wireless communications, high-fidelity audio and HD video into a single device. To keep up...
Solar Lamp With Variable Power Supply And Charger
A simple circuit of a solar lamp with variable power supply and charger is described here. It is useful where mains power failure is...