LONDON, England—Patients with stable coronary artery disease and severe aortic stenosis fare significantly better over the long term if revascularized with PCI before TAVI than if they are treated ...

If you ever work with a circuit that controls a decent amount of current, you will often encounter a FET – a Field-Effect Transistor. Whether you want to control a couple of powerful LEDs, switch a ...

Looking for a new TV? Then there’s no doubt you’re considering and OLED TV. The class-leading television technology, which stands for Organic Light Emitting Diode, has captured the imaginations of ...

Some groups have coaxed modest numbers of electrons through plastics using quantum mechanical effects, but only by painstakingly manipulating individual molecules at cryogenic temperatures. But a ...

Download this article in PDF format. When you connect the gate to the source of a JFET (junction field-effect transistor), it becomes a two-terminal current source. The current that will flow is ...

There are times when you need to bias a low-current load and simply didn’t want to add another voltage regulator, or where you need a reasonable level of voltage accuracy, so a simple voltage divider ...

Semiconductors exhibit different types of temperature coefficients. In order to valuable parameters such as resistance or forward voltage drop and the associated change in temperature, one must ...

If you catch a grizzled old radio amateur propping up the bar in the small hours, you will probably receive the gravelly-voiced Wisdom of the Ancients on impedance matching, antenna tuners, and LC ...

There are a variety of reasons why a system designer may want to consider paralleling of DC power supplies. Some of these are related to the bill of materials and logistics issues, others are focused ...