![]() If the inductance ou need is not listed, just interpolate. This is handy if you want to design one coil for use on multiple frequency bands. Following this data is a table that lists the Inductance at each of the. synopsys window can be left up while the data is being adjusted in the main window. Length- To- Diameter Ratio and the Coil Efficiency.įinally, in the section on Even Turns, you can avoid a fractional. Note that drastically changing the coil's diameter will affect. The initial number in the entry box is simply the calculation. A list of common materials used for coil forms is listed. You can always go back to this data at a later date and make adjustments. Just enter the ones that you know for sure and leave the. This then gives you the diameter from wire center to wire center. A diagram of the coil and the basic equation used for the calculations are shown in the diagram. Calculations propogate from one section to the next so that you can fine tune your requirements. The calculations are useful in the VHF and UHF range but only as a basis. MHz range that are sufficiently accurate.Īmateur Radio purposes. provide close approximations of values for frequencies in the 1- 3. The page is long and is split into several pieces. ![]() It is not equiped to handle multi- layer coils. As the title indicates, this page is for the design of a Single- Layer, Air- Core.
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