high-frequency printed-circuit board
111Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
112Tyco International — Infobox Company company name = Tyco International Ltd. company type = Public (NYSE|TYC) company company slogan = A vital part of your world foundation = 1960, incorporated 1962 location = Incorporation: Hamilton, Pembroke, Bermuda… …
113Radiology — is the medical specialty directing medical imaging technologies to diagnose and treat diseases. Originally it was the aspect of medical science dealing with the medical use of electromagnetic energy emitted by X ray machines or other such… …
114Synthesizer — For other uses, see Synthesizer (disambiguation). Synth redirects here. For other uses, see Synth (disambiguation). See also: Software synthesizer Early Minimoog by R.A. Moog Inc. (ca. 1970) A synthesizer (often abbreviated synth ) is an… …
115GPO 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… …
116Relative permittivity — Relative static permittivities of some materials at room temperature under 1 kHz[1] Material εr Vacuum 1 (by definition) Air 1.00058986 ± 0.00000050 (at STP, for 0.9 MH …
117capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices. Capacitors (capacitor) are devices that store… …
118SPICE — (Simulation Program with Integrated Circuit Emphasis) is a general purpose analog electronic circuit simulator.It is a powerful program that is used in IC and board level design to check the integrity of circuit designs and to predict circuit… …
119Relative static permittivity — The relative static permittivity (or static relative permittivity) of a material under given conditions is a measure of the extent to which it concentrates electrostatic lines of flux. It is the ratio of the amount of stored electrical energy… …
120MIDI — For other uses, see MIDI (disambiguation). Note names along with their accompanying MIDI note numbers MIDI (   …
