Planar rectangular coil resonator design toy
coil size x:
mm
coil size y:
mm
wire diameter:
mm
turns:
inductance:
u
H
capacitor:
p
F
frequency:
M
Hz
Coil calculation:
N=turns
w,h=width,height [meters]
a=wire radius [meters]
µ
r
=relative permitivity (hardcoded to 1 for air core)
Resonator calculation:
f=159155/√(L*C)
f=frequency [kHz]
L=inductance [µH]
C=capacitance [pF]
The creditcard size according to ISO/IEC 8710 ID-1 is 85.6x54 mm.
The size of a passport, ID-3, is 125x88 mm.
Leave allowance for sealing on edges.
