one-way amplifier
81Telecommunications device for the deaf — Miniprint 425 TDD. The acoustic coupler on the top is for use with telephone handsets. The printer records the conversation. The specific GA and SK keys allow for speedier use of common abbreviations. A telecommunications device for the deaf… …
82Cream (band) — Cream Cream, 1966. L R: Ginger Baker, Jack Bruce, and Eric Clapton Background information Origin London, England …
83Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …
84Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …
85Nyquist stability criterion — The Nyquist plot for . When designing a feedback control system, it is generally necessary to determine whether the closed loop system will be stable. An example of a destabilizing feedback control system would be a car steering system that… …
86Dealkalization — is a process of surface modification applicable to glasses containing alkali ions, wherein a thin surface layer is created that has a lower concentration of alkali ions than is present in the underlying, bulk glass. This change in surface… …
875150 (album) — Infobox Album | Name = 5150 Type = Album Artist = Van Halen Released = March 24, 1986 Recorded = 1985 at 5150 Studios, Hollywood, CA Genre = Hard rock Length = 43:02 Label = Warner Bros. Records Producer = Mick Jones, Donn Landee, Eddie Van Halen …
88Covox Speech Thing — One widely used variant The Covox Speech Thing (also known as Covox plug) was an external audio device attached to the computer to output digital sound. It was composed of the most primitive 8 bit DAC using a resistor ladder and an analogue… …
89Oscilloscope types — This is a subdivision of the Oscilloscope article, discussing the various types and models of oscilloscopes in greater detail. Contents 1 Cathode ray oscilloscope (CRO) 1.1 Dual beam oscilloscope 2 Analog storage oscilloscope …
90Effects unit — A pedalboard allows a performer to create a ready to use chain of multiple pedals. Signal chain order: tuner, compressor, octave generator, wah wah pedal, overdrive, distortion, fuzz, EQ and tremolo. Effects units are …
