low-frequency oscillation
11Tuned radio frequency receiver — A tuned radio frequency receiver (TRF receiver) is a radio receiver that is usually composed of several tuned radio frequency amplifiers followed by circuits to detect and amplify the audio signal. A 3 stage TRF receiver includes a RF stage, a… …
12Antarctic oscillation — The Antarctic oscillation (AAO, to distinguish it from the Arctic oscillation or AO) is a low frequency mode of atmospheric variability of the southern hemisphere. It is also known as the Southern Annular Mode (SAM) or Southern Hemisphere Annular …
13Parasitic oscillation — is an undesirable oscillation caused by feedback. The problem occurs notably in RF [1], audio, and other electronic amplifiers[2] as well as in digital signal processing.[3] It is one of the fundamental issues addressed by control theory.[4] …
14Variable-frequency oscillator — A variable frequency oscillator (VFO) in electronics is a oscillator with an oscillation frequency that can be electronically changed (hence, variable).cite book |title=The ARRL Handbook for Radio Amateurs, Sixty Eighth Edition |editor=Larry D.… …
15LOFO — Low Frequency Oscillation …
16LOFO — Low Frequency Oscillation …
17LFO — Low Frequency Oscillator (Academic & Science » Electronics) Low Frequency Oscillator (Academic & Science » Amateur Radio) *** Lyte Funkie Ones (Internet » Chat) ** Legal Framework Order (Community » Law) * Low Frequency Oscillation (Academic &… …
18Synthesizer — 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… …
19Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
20Kurzweil K250 — The Kurzweil K250 a.k.a. Kurzweil 250 , K250 or K 250 , manufactured by Kurzweil Music Systems was the first combined live performance and studio electronic musical instrument which produced sound derived from sampled sounds (see:Sampler (musical …
