Coil64 (Coil32)
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LC resonance online calculator

You can download the cross-platform app Coil64 to calculate LC circuit offline.

LC resonance online calculator
VARIANT OF CALCULATION:
Select:
 L   C   ->   f
 L   f   ->   C
 f   C   ->   L
 ρ   f   ->   LC

Enter the input data:
L =  – Inductance
C =  – Capacitance

Calculate
RESULT:
f =  – Frequency
ρ =  Ohm – LC circuit characteristic impedance
Clear all

 This calculator allows you to calculate the parameters of an LC circuit using Thomson's formula, and also if the input parameter is its characteristic impedance. The last option could be useful when choosing the capacitance and inductance values of the LC circuit.


Another similar calculator:

 
 
Comments  
MAKE A TANK circuit BUT NOT SURE OF L AND C IS THERE ONE PUT MY FREQ. IN TO GET L / C
You have to fit L and C until characteristic resistance get required value, usually 200 - 500 ohm.
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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