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Fix & Prog. Sinewave Oscillators - Frequency Devices
   

Cores, Magnets & Ferrites

Ferrites are electrically non-conductive ferrimagnetic ceramic compound materials, consisting of iron oxides such as Hematite (Fe2O3) or Magnetite (Fe3O4) plus other metal oxides. In saturated state they conduct a magnetic flux very well and have a high magnetic permeability, which allows them to store stronger magnetic fields than iron, and are known as ceramic magnets.

They are the most common ordinary radio magnets. The magnetic field B is about 0.35 tesla and the magnetic field strength H is about 30 to 160 kiloampere turns per meter (400 to 2000 oersteds).



    Ballasts, Magnetic Lighting (19)
    Cores, Ceramic (14)
    Cores, Ferrite Magnetic (52)
    Cores, Metal Alloy Magnetic (19)
    Cores, Nickel-Iron Magnetic (27)
    Cores, Powered-Iron Magnetic (27)
    Cores, Silicon Magnetic (25)
    Cores, Toroid Powdered Permalloy Magnetic (10)
    Demagnetizers (8)
    Electromagnets (22)
    Ferrite Parts (62)
    Foil, Magnetic (13)
    Magnets (43)
    Material, Permanent Magnet (19)
    Services, Magnetic (105)
Fix & Prog. Sinewave Oscillators - Frequency Devices

 

Books
Technology of Engineering Materials (IIE Core Textbooks Series)
W. Bolton and Mathew Philip

Excerpt - page 27: "... Hard magnetic materials are used for such applications as permanent magnets while soft magnetic materials are ... material used for a transformer core is an iron-3% silicon alloy. ... magnets are the iron-cobalt-nickel-aluminium alloys, ferrites and rare earth alloys. Table 1.8 gives properties of typical ..."
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The Abacus: The World's First Computer System (Includes a Working Abacus)
Jesse Dilson

Excerpt - page 64: "... like that used in tape recorders, or in very tiny magnets known as ferrite cores. This information is always handy to be fed into the ..."
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Modern Ceramic Engineering (Engineered Materials ; 1)
David Richerson

Excerpt - page 295: "... allows for very rapid data handling. Each storage unit or core consists of a ferrite magnet ring or toroid less than 0.15 mm (0.020 in.) in ..."
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Theory and Practice of Infrared Technology for Nondestructive Testing
Xavier P. V. Maldague

Excerpt - page 248: "... as mechanics, electrotechnology (power line insulators, pulse and power transformer cores, permanent-magnet ferrites in small electrical motors and loudspeakers), electronics (capacitors, inductors, antennas, ..."
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The Development of Colliders (Key Papers in Physics)
Claudio Pellegrini and Andrew M. Sessler

Excerpt - page 118: "... The Colliding Beam Concept 0 I 2 3 4 CM FERRITE-CORE MAGNET ONE-TURN WINDING i N 500 MEV T ELECTRON BEAM 1r ..."
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CRC Handbook of Engineering Tables (Electrical Engineering Handbook)
Richard C. Dorf

Excerpt - page 370: "... materials for high temperature (e.g., SAP) I Iigh-permeability materials; permanent magnets; ferrite cores; magnetic storage Conhkustion and rocket nozzles; furnace muffler, tubes, seals, ..."
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Electronic Projects from the Next Dimension: Paranormal Experiments for Hobbyists (Electronic Circuit Investigator)
Newton C. Braga

Excerpt - page 249: "... unit in the higher gain condition. Quickly pass a small magnet near the ferrite core. The circuit will be triggered, producing a tone for a ..."
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Phased Array-Based Systems and Applications (Wiley Series in Microwave and Optical Engineering)
Nicholas Fourikis

Excerpt - page 334: "... FPA. Circulators are typically three-port devices that consist of a ferrite core and permanent magnets to provide the bias field. If an electromagnet is used ..."
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Regulated Power Supplies
Irving M. Gottlieb

Excerpt - page 300: "... output characteristics- hi former transformer Output current time Hicorex biasing magnet Soft ferrite core Input current time (A) Conventional transformer. (B) Magnetically biased transformer. ..."
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