The massachusetts bay technologies msi series of spiral inductor chips are formed by plating and photo etch techniques on quartz substrates. Spiral coil calculator here you can calculate the inductance for a given size of a spiral coil wound in one layer. Moreover, the fabricated spiral inductors are evaluated. The first approximation is based on a modification of an expression developed by wheeler. Coil32 is a free coil inductor calculator, that allows calculating. Air cored inductor calculator m0ukd amateur radio blog. Flat spiral coil calculator enter di, do and d all three are required to calculate l and n.
Download inductance calculator commandline program that helps you calculate coil dimensions based on various coil geometry options, such as straight round wire, nturn. The precision photolithography and nonchemical etching process provides clean edges to assure uniformity from coil to coil. Both metric and english units of measurement are supported. In the coil sheet you can enter the raw data and calculate the number of turns of the inductor coil to the required inductance. Coil inductance calculator use this calculator to determine the inductance of singlelayer and multilayer coils. Flat spiral air core coil inductor design equations. Use our online coil inductance calculator to find inductance of the coil of wire based on the number of turns, loop diameter. Use the coil inductance calculator to calculate the inductance of aircored single layer solenoid, multilayer solenoid and flat spiral coils. Coil inductor calculator and equations engineers edge. An air core inductor is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. Spiral inductors are used extensively in microwave circuit resonant elements and as a choke in power supplies. The spiral inductor lumped element model can have many capacitor and resistor elements to account for all the parasitics that make it less and less ideal as you move up in.
You can choose from singlelayer solenoid, multilayer solenoid and flat spiral coil forms. How the coil calculator works what it does, and what it doesnt do. Analysis, design, and optimization of spiral inductors and tra. Multilayer coil inductance calculator bobs electron bunker. This nfcrfid planar spiral coil inductance calculator determines the. Coil maestro solenoid inductance calculator software download. Coil32 coil64 for 64bit windows coil64 for 64bit windows. Silvaco design of optimal spiral inductors in expert.
Flat spiral coil calculator flat spiral coil calculator. The inductor calculator presented on this page is unique in that it employs the n 0 sheath helix waveguide mode to determine the inductance of a coil, irrespective of its electrical length. Planar spiral inductor calculator spok engineering. Flat spiral air core coil inductor design calculator solving for inductance given wire coil number of turns, core material permeability, coil area and average coil length. You can select the units for the loop and wire diameter from the drop down.
This calculator will determine the inductance of a coil with know length, number of turns and diameter. Use this online calculator to determine the inductance of singlelayer and multilayer aircore coils. Once a spiral inductor with the desired characteristics has been obtained, the corresponding kicad footprint can be saved to a file by using the top menu file save. Circular spiral inductor calculator converters and. Pronine electronics design singlelayer air coil calculator. Enter the coil length, measured as depicted in the diagram above diameter. The coil is the most recognizable form of an inductor. This tool is designed to calculate the inductance of a coil of wire given the number of turns, the loop diameter, wire diameter, and the. Coil32 is a free inductance calculator for windows. The inductance of a flat spiral coil can be determined by entering its dimensions in the boxes above.
N 10, s 100 mils, di 100 mils, do 400 mils inductance 0. Optimization of planar spiral inductor and design of. The following is a design tool which calculates the inductance of an air core inductor. Enter the coil diameter, measured as depicted in the diagram above depth. Onchip spiral inductortransformer design and modeling. This calculator is also suitable for flat spiral pancake, spiderweb, etc. You can download the cross platform app coil64 to calculate tesla flat spiral coil offline. Onchip spiral inductortransformer design and modeling for rf applications by ji chen b. D c is the coil diameter, d is the coil former diameter, l is the coil length, p is the coil pitch, d is the wire without insulation diameter and d i. Some inductors are wound without a bobbin and just air as. Inductance calculator air core inductor coil inductance calculator the following is a design tool which calculates the inductance of an air core inductor. One of the key components in many rf ics applications is the inductor. Design and optimization of a 10 nh squarespiral inductor. The program has additional plugins to calculate another manner of coils.
A flat spiral coil is a type of an air core inductor usually incorporated in the primary of a tesla generator, rfid tag, and proximity. Download coil32 free software calc coil inductor 8. The precision photolithography and nonchemical etching process provides clean. Moving between the boxes by clicking or using the tab button on your keyboard, will update the result.
Program calculates optimal dimensions of coils for wanted inductance. The coil32 program is coil inductance calculator, that computes inductors and chokes on different cores and also calculate lc circuit parameters. Inductors, also know as choke, coil, or reactor is a passive electrical component that. The coil32 program is coil inductance calculator, that computes. The inductor having the shape of circular spiral is referred as circular. Nfcrfid planar spiral coil inductance calculator calculadoras. F n x i 2 x magnetic constant x a 2 x g 2 where, f force, i current, g length of the gap between the solenoid and a piece of metal, a area n number of turns, magnetic. Single layer planar spiral coil inductor calculator. Using this free inductance calculator, you can calculate inductance of the following inductors. A singlelayer inductor is shown in the picture above. So, the target of this project is to design a 10nh square spiral inductor with high quality factor q. Singlelayer coil inductance calculator electrical, rf. Find spiral coil inductance calculator at calctown. A planar spiral inductor calculator based on lumped elements for rf and microwave circuits by inder bahl.
Here you can calculate the inductance for a given size of a spiral coil wound in one. Coil maestro solenoid inductance calculator download. As nouns the difference between spiral and coil is that spiral is geometry a curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from. Fudan university, 2001 a dissertation submitted in partial fulfillment of the. Using this free inductance calculator, you can calculate.
Both installer and portable versions of this software are available on its website. Single layer planar spiral coil inductor calculator use. Spiral coil inductance calculator online spiral coil. Lee, simple accurate expressions for planar spiral inductances, ieee journal of solidstate circuits, oct. All calculations are done in javascript, which uses 64 bit floating point. The model has been validated during frequency domain with measurement data of spirals having different geometries and various sizes.
This calculator is useful when making antenna matching units, low pass filters, crystal sets, antenna traps, resonant circuits or anywhere where an air cored single layer inductor is. The semigen spiral inductor coils are manufactured using our thin film process on quartz substrates. To calculate the inductance of a singlelayer circular spiral coil, we use a modified harold a. A free application to calculate the inductance l and quality factor q of a single layer helical. This is to certify that the thesis entitled optimization of planar spiral inductor and design of multilayer pyramidal inductor for silicon radio frequency integrated circuits submitted by. Some inductors are wound without a bobbin and just air as the core. Productsservices for spiral inductor calculator inductors, coils, and chokes 958 companies inductors coils and chokes are passive components that are designed to resist changes in. Planar spiral air coil, planar inductor, design and calculations based on the harold a.