cascade en push-pull

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• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

• Comparator — For other uses, see Comparator (disambiguation). In electronics, a comparator is a device that compares two voltages or currents and switches its output to indicate which is larger. They are commonly used in devices such as Analog to digital… …   Wikipedia

• SNCF Class BB 15000 — Infobox Locomotive name=SNCF BB15000 powertype=Electric electricsystem=25 kV AC tractionmotors=1.5kV DC traction motors controlled by thyristors caption=BB 15014 TEE Arzens livery at the Gare de l Est builddate=1971 ndash; 1978 builder=Alsthom… …   Wikipedia

• Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia

• Amtrak Cascades — Overview …   Wikipedia

• Forklift truck — A forklift (also called a lift truck, a high/low, a stacker truck, or a sideloader) is a powered industrial truck used to lift and transport materials. The modern forklift was developed in the 1920s by various companies including the transmission …   Wikipedia

• Zig zag (railway) — A railway zig zag, also called a switchback, is a way of climbing hills in difficult country with a minimal need for tunnels and heavy earthworks. For a short distance (corresponding to the middle leg of the letter Z ), the direction of travel is …   Wikipedia

• British Rail Class 322 — 322481 at Drem on a North Berwick to Edinburgh service In service 1990 Current Manufacturer BREL York …   Wikipedia

• Distributed amplifier — Distributed amplifiers are circuit designs that incorporate transmission line theory into traditional amplifier design to obtain a larger gain bandwidth product than is realizable by conventional circuits. N stage traveling wave amplifier …   Wikipedia

• Two-photon absorption — (TPA) is the simultaneous absorption of two photons of identical or different frequencies in order to excite a molecule from one state (usually the ground state) to a higher energy electronic state. The energy difference between the involved… …   Wikipedia

• AMPLIFICATEURS — Un amplificateur est un dispositif électronique qui réalise sur une grandeur électrique – tension ou intensité – porteuse d’information l’opération mathématique élémentaire: multiplication par une constante, et qui accroît l’énergie véhiculée par …   Encyclopédie Universelle