Recent content by phelp

Solid-state electronics are those circuits or devices built entirely from solid materials and in which the electrons, or other charge carriers, are confined entirely within the solid material.[1] The term is often used to contrast with the earlier technologies of vacuum and gas-discharge tube...

is a concept in which excess electric charge is treated as being a continuum of charge distributed over a region of space (either a volume or an area) rather than distinct point-like charges. This model typically applies when charge carriers have been emitted from some region of a solid—the...

A common feature of modern car radios is the Seek function which allows tuning from one station to the next at the push of a button. It may be a surprise to some that this facility was a popular option on some Ford products in the 1950s. It was known as the "Town & Country" radio since it...