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Gold Prospecting
Metal Detecting for Gold
GPX 6000 technical information page
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<blockquote data-quote="Chet" data-source="post: 646991" data-attributes="member: 20478"><p>Within the ferrite cube there is a small printed circuit board that is used to solder / splice the internal coil connections #1, #2, #4 and identification (ID) chip #3 to the external coil cable.</p><p></p><p>The ID chip is a simple three wire memory device that is read by the detector. It contains information such as; it is a Minelab approved coil and the characteristics of the coil such as Mono or Double D and the manufacture’s name.</p><p></p><p>The ferrite cube is a Minelab patented procedure to prevent the magnetic field around the solder; copper plated board; and ID chip; from interacting with magnetic particles in the soil surface which may cause undesired effects. </p><p></p><p>My thoughts on flat windings:</p><p></p><p>High frequency electric coil currents flow near or on the surface of each turn of the coil wires.</p><p></p><p>Coil wires that are side by side have opposing magnetic fields that act similar to that of trying to push two North poles of two magnets together.</p><p>When coils are bunch wound the crisscrossing opposing magnetic fields constrict and pinch-off some current flow in all of the turns.</p><p></p><p>Flat wound turns push the side to side opposing currents to the top and bottom edges of each turn.</p><p></p><p>This creates a uniform reinforced broad magnetic field band around the perimeter of the coil as well an improved overall coil field.</p><p></p><p>Have a good day,</p><p>Chet</p></blockquote><p></p>
[QUOTE="Chet, post: 646991, member: 20478"] Within the ferrite cube there is a small printed circuit board that is used to solder / splice the internal coil connections #1, #2, #4 and identification (ID) chip #3 to the external coil cable. The ID chip is a simple three wire memory device that is read by the detector. It contains information such as; it is a Minelab approved coil and the characteristics of the coil such as Mono or Double D and the manufacture’s name. The ferrite cube is a Minelab patented procedure to prevent the magnetic field around the solder; copper plated board; and ID chip; from interacting with magnetic particles in the soil surface which may cause undesired effects. My thoughts on flat windings: High frequency electric coil currents flow near or on the surface of each turn of the coil wires. Coil wires that are side by side have opposing magnetic fields that act similar to that of trying to push two North poles of two magnets together. When coils are bunch wound the crisscrossing opposing magnetic fields constrict and pinch-off some current flow in all of the turns. Flat wound turns push the side to side opposing currents to the top and bottom edges of each turn. This creates a uniform reinforced broad magnetic field band around the perimeter of the coil as well an improved overall coil field. Have a good day, Chet [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
GPX 6000 technical information page
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