point-junction diode
71Symboles électroniques — Symbole électronique Les symboles électroniques sont largement utilisés pour représenter les composants des circuits électroniques. Cet article a pour vocation de tous les représenter et de faire office de liste ou « dictionnaire ».… …
72John Bardeen — Infobox Scientist name = John Bardeen imagesize = 110px caption = John Bardeen birth date = birth date|1908|5|23|df=y birth place = Madison, Wisconsin, USA death date = death date and age|1991|1|30|1908|5|23 death place = Boston, Massachusetts… …
73Wired logic connection — A wired logic connection is a logic gate that implements boolean algebra (logic) using only diodes and resistors. It differs from a digital logic integrated circuit which utilizes transistor transistor logic (TTL). A wired logic connection can… …
74Linear regulator — In electronics, a linear regulator is a voltage regulator based on an active device (such as a bipolar junction transistor, field effect transistor or vacuum tube) operating in its linear region (in contrast, a switching regulator is based on a… …
75Differential amplifier — symbol The inverting and non inverting inputs are distinguished by − and + symbols (respectively) placed in the amplifier triangle. Vs+ and Vs− are the power supply voltages; they are often omitted from the diagram for simplicity, but of course… …
76Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
77Widlar current source — A Widlar current source is a modification of the basic two transistor current mirror that incorporates an emitter degeneration resistor for only the output transistor, enabling the current source to generate low currents using only moderate… …
78Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
79Solarzelle — Polykristalline Silizium Solarzellen in einem Solarmodul Eine Solarzelle oder photovoltaische Zelle ist ein elektrisches Bauelement, das kurzwellige Strahlungsenergie, in der Regel Sonnenlicht, direkt in elektrische Energie umwandelt. Die… …
80colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
