As you probably know if you've been shopping for cables, coax for most video applications is "75 ohm" coax–but what the heck does that mean, anyway? This article is a short, non-technical explanation ...

What is the significance of impedance for PCB manufacturer? Why? This article first introduces what is the type of impedance, and secondly describes why the PCB circuit board is to be impedance.

In the “Say It with Me” series, we’ll take a commonly used concept out of electronics and explain it the best we can. If there’s something that’s been bugging you, or a certain term or concept that ...

When shopping for loudspeakers or headphones, most consumers don’t even look at the impedance of the products they are considering. Do they need to? What is Impedance? Glad you asked. Most consumers ...

Ohms are one of the specs that both speaker and receiver manufacturers use to give you an idea about their performance. Speakers and amplifiers alike are usually rated around 8 ohms, but that's not ...

Electrical engineers apply essential engineering concepts,such as impedance, all the time, whereas mechanicalengineers most likely have not heard of it. Noone, however, questions its utility in ...

Electrochemical impedance spectroscopy (EIS) is an analysis method used the surfaces of various systems, batteries, photovoltaic systems, and some life science applications. It is based on introducing ...

A young teacher went to Temple. Several priests and pharisees asked him questions. They asked trick questions to try to fool him. The teacher very sweetly and correctly answered their many tricky ...