This invention relates to an active quench circuit for an avalanche current device, and more particularly to such a quench circuit which utilizes the slow turn-off speed of a current amplifier to generate a quenching voltage after the avalanche current has subsided.
The shortest era in geological time is the Cenozoic Era, the current era.It started 65.5 million years ago with the K-T extinction event. List from longest to shortest. Paleoproterzoic (2,500 - 1,600 ma) - 900 million years. Mesoproterzoic (1,600 - 1,000 ma) - 600 million years.he shortest era in geological time is the Cenozoic Era, the current era.
Hypernyms (geological era is a kind of...): geologic time; geological time (the time of the physical formation and development of the earth (especially prior to human history)). Meronyms (parts of geological era): geological period; period (a unit of geological time during which a system of rocks formed).ge of Reptiles; Mesozoic; Mesozoic era (from 230 million to 63 million years ago). Paleozoic; Paleozoic era (from 544 million to about 230 million years ago). Holonyms (geological era is a part of...): aeon; eon (the longest division of geological time).