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Version history

Version history

Version history About version 11.4.1· Added support of German (translation by Holger Meinecke - DL6ABM).About version 11.4· Some bugs was fixed, including bugs with one-layer coil calculation.· Added...

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Toroidal inductor calculation

Toroidal inductor calculation

Toroidal coil without a magnetic core are used very rarely. The magnetic field of a coil is almost completely centered inside of the toroid, with this kind...

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Singlelayer air core coil winding formulas

Singlelayer air core coil winding formul…

Single-layer inductor is a wire rolled into a helix. For adding stiffness the wire is usually wound on a cylindrical pipe named coil-former. Therefore the initial parameters...

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RF coil with an arbitrary winding pitch

RF coil with an arbitrary winding pitch

Calculation of the single layer RF coil with an arbitrary winding pitch. For the calculation of the single-layer inductors can be used Maxwell's model, then each turn represents...

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Pot core inductor calculations

Pot core inductor calculations

Ferrite cores for inductors have a wide variety species. W-shaped, U-shaped, pot cores of various modifications.  Such cores are also used with the powder iron materials. Calculation...

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Plugin screen

Plugin screen

The plugin screen. Calculate influence of shield on the inductance value. Shielded coil inductances most often used at high frequencies to guard the inductor from external electromagnetic fields....

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Plugin meandr_PCB

Plugin meandr_PCB

  Plugin meandr_PCB Inductor on PCB as a meander structure. In addition to coils on PCB in the form of a square or circular spirals also there is in the...

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PCB inductors

PCB inductors

Flat PCB coils are most often used in the VHF and UHF bands to reduce the size of the device. Usually, they are produced with round, square...

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One turn loop inductance calculation

One turn loop inductance calculation

Single circular loop inductor Inductance realized in the form of a single circular loop, in other words in the form of a single turn, most often used in...

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Multilayer PCB inductor calculation

Multilayer PCB inductor calculation

Multi-layer coil on a PCB is needed for those designers who want to create a miniature device with the use of inductance sufficiently high value. Single-layer coil...

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Measurements and notations

Measurements and notations

Agreement on the dimensions and notations Different programs (or different versions of this software)  are using different methods of measurement and notation of coil sizes. In order to...

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LC circuit calculation

LC circuit calculation

LC circuit calculation In "LC circuit" sheet the Coil32 computes the values of capacitance, inductance and frequency for resonant oscillatory circuit. The calculation is made by the Thomson's...

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Inductor with non circular winding

Inductor with non circular winding

Inductor with non circular winding Quite often, the inductor is wound on a coil-former having a square or polygonal shape. Such inductor can be represented as an equivalent...

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How to calculate inductance?

How to calculate inductance?

How to calculate inductance? We can use different methods to calculate the inductance using numerical methods or handbook formulas. They can be conditionally divided into three levels -...

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Ferrite toroid calculation

Ferrite toroid calculation

 Toroidal coils on ferrite ring or rings of carbonyl iron powder are widely used in amateur radio designs. Their advantage is the high combined inductance with the...

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Ferrite rod core inductance

Ferrite rod core inductance

Ferrite rod core inductance. Calculation of the ferrite rod core coil is enough difficult. The inductance depends on the parameters of the rod, coil sizes, and their mutual...

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Calculation of the multilayer inductor

Calculation of the multilayer inductor

Most often in different soft and online calculators the multilayer inductor is calculated by a simple empirical formula H.А. Wheeler: L - inductance (µH) N - number of turns R...

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Calculation of inductance multiturn round bundle loop with round cross-section (for metal detectors).

Calculation of inductance multiturn roun…

Plugin multiloop calculates the coil in the form of a round multiturn wiring bundle with round cross-section. Such coils are often used as induction sensors for metal...

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Calculation of a rectangular loop inductance.

Calculation of a rectangular loop induct…

Plugin square_loop - calculation of a rectangular loop inductance. {jcomments on} The inductive element in the form of a rectangular loop large size is quite often used as induction...

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Calculation formulas of multilayer inductor with rectangular former

Calculation formulas of multilayer induc…

  Faced with difficulties in the calculation of the multilayer coil on a solenoidal former, we have abandoned the simple empirical Wheeler's formula and went by the way...

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