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Silicon die of the first 555 chip (1971) Die of a CMOS NXP ICM7555 chip The timer IC was designed in 1971 by Hans Camenzind under contract to Signetics. [3] In 1968, he was hired by Signetics to develop a phase-locked loop (PLL) IC.
Schematic capture or schematic entry is a step in the design cycle of electronic design automation (EDA) at which the electronic diagram, or electronic schematic of the designed electronic circuit, is created by a designer.
1959 Fender Harvard 5F10. The Fender Harvard is a vacuum tube (valve) guitar amplifier made by Fender from 1955 to 1963. The Harvard appeared only in a tweed covered "narrow-panel" cabinet, but in two very different circuit designs, namely 5F10 (1955–61) and 6G10 (1962–63).
Italiano: Rappresentazione schematica di un sistema per HPLC. (1) Contenitori dei solventi (fase mobile), (2) Degasatore dell'eluente, (3) Valvola per il gradiente, (4) Contenitore per il mescolamento e dosaggio della fase mobile, (5) Pompa ad alta pressione, (6) Valvola di iniezione in posizione "inject", (6') Valvola di iniezione in posizione "load", (7) "Loop" di iniezione del campione, (8 ...
A semi-schematic diagram combines some of the abstraction of a purely schematic diagram with other elements displayed as realistically as possible, for various reasons. It is a compromise between a purely abstract diagram (e.g. the schematic of the Washington Metro) and an exclusively realistic representation (e.g. the corresponding aerial view of Washington).
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This produces a low level rotating magnetic field which is large enough to turn both the rotor and its attached load. As the rotor picks up speed the torque builds up to its full level as the principal magnetic field is rotating relative to the rotating rotor. A reversible shaded-pole motor was made by Barber-Colman several decades ago. It had ...
An axiom schema is a formula in the metalanguage of an axiomatic system, in which one or more schematic variables appear. These variables, which are metalinguistic constructs, stand for any term or subformula of the system, which may or may not be required to satisfy certain conditions.