tunnel-diode amplifier
21Electronic engineering — is a discipline dealing with the behavior and effects of electrons (as in electron tubes and transistors) and with electronic devices, systems, or equipment.The term now also covers a large part of electrical engineering degree courses as studied …
22Electronic symbol — Common circuit diagram symbols (US symbols) An electronic symbol is a pictogram used to represent various electrical and electronic devices (such as wires, batteries, resistors, and transistors) in a schematic diagram of an electrical or… …
23Dynamic random access memory — (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically …
24Dynamic random-access memory — DRAM redirects here. For other uses, see Dram (disambiguation). Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …
25AN/TRC-97A Radio — The AN/TRC 97A Radio Set, or TRC 97, is a radio set that has 24 multiplex channels and 16 telegraph channels connected to an analog radio. The radio set is a fixed terminal that can transmit up to 40 miles straight line of sight at up to 1 watt,… …
26scientific instruments — See panel ▬▬▬▬▬▬▬▬ Types of scientific instrument include: absorptiometer barostat cathode ray oscilloscope centrifuge chronograph coherer collimator cryostat decoherer dephlegmator dipleidoscope electromyograph electrosonde eudiometer… …
27HYPERFRÉQUENCES — D’après la définition la plus couramment admise, les hyperfréquences représentent des ondes électromagnétiques dont la longueur d’onde est de l’ordre du centimètre, et que l’on utilise notamment en technique radar et en transmission hertzienne.… …
28Memristor — Type Passive Working principle Memristance Invented Leon Chua (1971) First production HP Labs (2008) Electronic symbol …
29Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …
30NPN — Transistor bipolaire Vue interne d un transistor bipolaire de puissance 2N3055 conçu dans les années 1980 Un transistor bipolaire est un dispositif électronique à base de semi conducteur de la famille des transistors. Son principe de… …
