printed-circuit board mount
71QMA and QN connector — QMA connector QMA and QN connectors are quick connect RF connectors that were designed to replace the widely used SMA connector (used in low power transmissions; DC–18 GHz) and Type N (used in medium power transmissions; DC–11 GHz) connectors.… …
72Neurotrophic electrode — The neurotrophic electrode: teflon coated gold wires extend from the back of the glass cone, while neurites (shown in blue) grow through it. The neurotrophic electrode is an intracortical device designed to read the electrical signals that the… …
73backplane — Connector blocks and special wiring on rear of shelf (printed circuit board modules normally mount on front of the backplane) …
74Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
75USS Iowa turret explosion — USS Iowa s Turret Two explodes Date April 19, 1989 Place Caribbean Sea ne …
76Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
77GPO telephones — The United Kingdom s General Post Office (GPO) had a number of telephones that were provided by them for connection to their exchanges. Until 1982 the GPO had a monopoly on the provision of all telephones within the UK and so the range was… …
78Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
79Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
80Electronic tuner — Pocket sized Korg chromatic LCD tuner, with simulated analog indicator needle The term electronic tuner can refer to a number of different things, depending which discipline you wish to study. In the Discipline of radio frequency electronics an… …
