timing reference
41TDMoIP — In computer networking and telecommunications, TDM over IP (TDMoIP) is the emulation of time division multiplexing (TDM) over a packet switched network (PSN). By TDM we mean a T1, E1, T3, or E3 signal, while the PSN is based either on IP or MPLS… …
42Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
43Phase-shift keying — Passband modulation v · d · e Analog modulation AM · …
44Crystal oscillator frequencies — Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz. Many applications call for a crystal oscillator frequency conveniently related to some other desired… …
45List of Volkswagen Group petrol engines — These petrol engines listed below are currently in use today, by various marques of automobiles, and commercial vehicles, of the Volkswagen Group (Volkswagen Aktiengesellschaft) (VWAG).Since the Volkswagen Group is European, the engine… …
46radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… …
47Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) …
48TRS-80 Color Computer — 16k TRS 80 Color Computer 1 Developer Tandy Corporation Manufacturer Motorola Release date 1980 …
49United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
50Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
