When you develop the prototype of a circuit using capacitors or when you replace an old, defective capacitor with a new one, you often need to know the value of the capacitor you use or replace. At ...

While LCR meters are readily available at reasonable cost, they do not measure the Q of an inductor. This circuit enables you to measure the Q of inductors with the aid of an RF signal generator. A ...

The analog DC ammeter with an actual full-scale value of 10 milliamperes in your transmitter that measures 1 ampere of plate current has failed and the only linear meter that fits in the same space ...

Applications such as amplifiers, audio systems and ultrasound require precise phase measurements. This application note shows how to create a simple, low-cost phase meter that provides close to 1% ...

Now there is a simple, inexpensive yet accurate coffee moisture meter for green coffee beans and coffee parchment. Thanks to the project funded by the Philippine Council for Agriculture, Aquatic and ...

The National Taxi Association is suggesting Electronic Road Pricing (ERP) concessions for cabbies to encourage more to drive into the Central Business District. (“Niche cabs may not need to meet LTA’s ...

One woman has revealed her frustrating struggle with now defunct energy company, Spark, after a simple mix-up with meter readings resulted in her being in debt. This is Money reader, Gill, was told ...

Energy firms are routinely bungling simple meter readings and overcharging customers thousands of pounds as a result, Money Mail has found. What should be the most basic of tasks for trained utility ...