The capacitor forms a parallel resonant circuit with the ignition coil.
2.
For a parallel resonant circuit the opposite applies; small inductances reduce the damping of external circuitry.
3.
Another popular solution uses so-called " traps " consisting of parallel resonant circuits which are strategically placed in breaks along each antenna element.
4.
For example, a quarter wavelength ( ? / 4 ) shorted Lecher line acts like a parallel resonant circuit, appearing as a high impedance at its resonant frequency and low impedance at other frequencies.
5.
Similarly, a short circuit stub is an anti-resonator at \ scriptstyle \ pi / 2, that is, it behaves as a parallel resonant circuit, but again fails as \ scriptstyle 3 \ pi / 2 is approached.
6.
When the short-circuited stubs are ? g / 4 long the filter will be a band-stop filter and the stubs will have a lumped-element approximate equivalent circuit of parallel resonant circuits connected in series with the line.
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