Coil64 (Coil32)
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Online calculators

Rectangular single-turn loop:

More information about calculation formulas can be found on the help page.


 

on-line Tesla flat spiral coil calculator
Tesla flat pancake spiral coil calculator
ENTER THE INPUT DATA:
Select units

a =  – Loop width
b =  – Loop height
dw =  – Wire diameter  AWG
µ =  – Wire relative magnetic permeability

Calculate
RESULT:
L =  – Inductance

 


Relative magnetic permeability µ of some metals:
Copper 0.999994
Aluminum 1.000022
Steel 100

Related links:

 
 
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Coil Winding Machine

US $49.71
Manual and electric coil winding machines

LC Meter LC200A

US $29.85
Measuring Capacitance Range:
0.01 pF - 100mF
Measuring Inductance Range:
0.001 uH - 100H
Measurement accuracy:1%.

RF Inductors

US $6.43
Variable Ferrite Core Inductor coil set 3.5Turns 25-100MHZ

Auto Ranging LCR Meter

US $54.28
Meter can measure 0.00pF to 100.00mF capacitance, 0.000uH to 100.00H inductance and 0.00? to 10.000M? resistance. Very suitable for small value capacitor and inductor measurement.

Screenshots 

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Comments latest 

Thank you for the incredibly helpful app, and I wish you continued success. gl 73,-

Written by: Rudi

I am trying to build a bandpass filter for 144-148 MHz and your calculator is very helpful. 73

Written by: Francisco OA4CKN