ESPNâs latest attempt at a shake-up is more about a breakup. The Worldwide Leader in Sports is expected to assign longtime radio host Mike Greenberg to a new morning television show, according to Sports Illustrated, thus removing one âMikeâ from the popular ESPN Radio show âMike & Mikeâ that has run for over 18 years.
The first high-frequency transistor was the surface-barrier germanium transistor developed by Philco in 1953, capable of operating up to 60 MHz. These were made by etching depressions into an N-type germanium base from both sides with jets of Indium(III) sulfate until it was a few ten-thousandths of an inch thick.he transistor provides current gain, allowing a relatively large current in the collector to be switched by a much smaller current into the base terminal. The ratio of these currents varies depending on the type of transistor, and even for a particular type, varies depending on the collector current.
It was a bust. 1963: First All-Transistor Radio. A number of manufacturers introduced transistors to their aftermarket car radios in the early 1960s, but Beckerâs Monte Carlo was the first to be fully âsolid stateââno vacuum tubes.