field-control triode
41Albert Hull — Infobox Scientist name = Albert Wallace Hull box width = caption = Albert Wallace Hull birth date = birth date|1880|4|19 birth place = Southington, Connecticut death date = death date and age|1966|1|22|1880|4|19 death place = residence = United… …
42Mariner 4 — Operator NASA Mission type Flyby Flyby of Mars …
43Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
44radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …
45Cold cathode — This article is about light sources and indicators. For cold cathode ion sources, see Ion source. CCFL redirects here. For other uses, see CCFL (disambiguation). Cold cathode fluorescent lamp A cold cathode is a cathode used within nixie tubes,… …
46Mikroelektronik — Die Mikroelektronik ist ein Teilgebiet der Elektronik, genauer der Halbleiterelektronik. Die Mikroelektronik beschäftigt sich mit dem Entwurf, der Entwicklung und der Herstellung von miniaturisierten, elektronischen Schaltungen, heute vor allem… …
47Microelectromechanical system oscillator — Microelectromechanical system (MEMS) oscillators are timing devices that generate highly stable reference frequencies. These reference frequencies are used to sequence electronic systems, manage data transfer, define radio frequencies, and… …
48Ion mobility spectrometer — An ion mobility spectrometer (IMS) is a spectrometer capable of detecting and identifying very low concentrations of chemicals based upon the differential migration of gas phase ions through a homogeneous electric field. IMS devices come in a… …
49Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …
50Rockwell Collins — Rockwell Collins, Inc. Type Public NYSE: COL Industry Aerospace Founded …
