loading coil(redirected from Loading coils)
Also found in: Dictionary.
Related to Loading coils: telephone loading coil
loading coil[′lōd·iŋ ‚kȯil]
An iron-core coil connected into a telephone line or cable at regular intervals to lessen the effect of line capacitance and reduce distortion. Also known as Pupin coil; telephone loading coil.
A coil inserted in series with a radio antenna to increase its electrical length and thereby lower the resonant frequency.