derivative voltage
81Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …
82Castor oil — is a vegetable oil obtained from the castor bean (technically castor seed as the castor plant, Ricinus communis , is not a member of the bean family). Castor oil (CAS number 8001 79 4) is a colorless to very pale yellow liquid with mild or no… …
83Butterworth filter — The Butterworth filter is one type of electronic filter design. It is designed to have a frequency response which is as flat as mathematically possible in the passband. Another name for them is maximally flat magnitude filters.The Butterworth… …
84Low-energy electron diffraction — (LEED) is a technique used to characterize the structures of surfaces.History =Davisson and Germer s discovery of electron diffraction= The development of electron diffraction was closely linked to the progress of quantum mechanics and atomic… …
85Programmable logic controller — A programmable logic controller (PLC) or programmable controller is a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. PLCs are used in many different industries and machines… …
86Texas Instruments — Type Public Traded as NYSE: TXN …
87Low-pass filter — A low pass filter is a filter that passes low frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter …
88Chiptune — Chiptunes Stylistic origins Video game music Electronic music Computer music Cultural origins Early 1980s, Japan Typical instruments Sound chips Trackers Synthesizers …
89I²C — (Inter Integrated Circuit) is a multi master serial computer bus invented by Philips that is used to attach low speed peripherals to a motherboard, embedded system, or cellphone. The name is pronounced eye squared see or eye two see . As of… …
90Am5x86 — The Am5x86 processor is an x86 compatible CPU introduced in 1995 by AMD for use in 486 class computer systems. It was one of the fastest, and most universally compatible upgrade paths for users of 486 systems.Introduced in November 1995, the… …
