variocoupler

American  

[vair-ee-oh-kuhp-ler] / ˌvɛər i oʊˈkʌp lər /

noun

Electricity.

1. a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.

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Etymology

Origin of variocoupler

First recorded in 1920–25; vari(able) + -o- + coupler

Example Sentences

A better scheme is to use a loose coupler formed of two or three honeycomb or other compact coils, while a variocoupler or a variometer or two will produce the maximum regenerative action.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

ROTOR.—The rotating coil of a variometer or a variocoupler.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

Now connect one end of the secondary coil, or rotor, of the variocoupler with one post of the .0005 mfd. variable condenser and the other part to the grid of the detector tube.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

To wire up the set begin by connecting the leading-in wire to the fixed end of the primary coil, or stator, of the variocoupler, as shown in Fig.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)

Screw the variocoupler to the middle of the base board or panel, and secure the variometers on either side of it so that the distance between them will be 9 or 10 inches.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)