linear amplification
121Gravitational wave — In physics, a gravitational wave is a fluctuation in the curvature of spacetime which propagates as a wave, traveling outward from a moving object or system of objects. Gravitational radiation is the energy transported by these waves. Important… …
122Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …
123Signal-flow graph — A signal flow graph (SFG) is a special type of block diagram[1] and directed graph consisting of nodes and branches. Its nodes are the variables of a set of linear algebraic relations. An SFG can only represent multiplications and additions.… …
124Laser — Demonstrationslaser: In der Mitte ist das Leuchten der Gasentladung zu sehen, die das Lasermedium anregt. Der Laserstrahl ist rechts als roter Punkt auf dem weißen Schirm zu erkennen. Laser [ˈleɪzə] (Akronym für engl. Light Amplification by… …
125Schriften von Charles Sanders Peirce — Das nachfolgende Verzeichnis der Schriften von Charles Sanders Peirce dient als Ergänzung zum Verzeichnis der Werke von Peirce im Hauptartikel. Inhaltsverzeichnis 1 Vorbemerkung 2 Collected Papers 2.1 Vol. I. Principles of Philosophy …
126Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …
127Field-effect transistor — FET redirects here. For other uses, see FET (disambiguation). High power N channel field effect transistor The field effect transistor (FET) is a transistor that relies on an electric field to control the shape and hence the conductivity of a… …
128Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
