Definition of Terms used by Electrical Engineers
"A" "B" "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"

Y. The letter used to designate Admittance.

Y [WYE]. A 'Y' shaped connection used with 3-phase power. Both the Generater side and load side may be configured in a WYE shape. Also referred to as a Star arrangement. Three separate windings that have one side of each winding connected to each of the other windings.

Wye connection used in AC power
AC WYE Power

Y-Amplifier The vertical amplifier of an oscilloscope.
[Test Equipment Manufacturers]

YAG Yttrium-Aluminum-Garnet.

Yagi antenna: A combination of dipoles to increase the gain. A directional antenna. Also refer to Antenna Manufacturers. The dictionary of Antenna Terms may have more detail.

YAW Side to side motion in a vehicle. The rotation of an object in a plane around a vertical axis.

Y-AXIS. In a gyro, an axis through the center of gravity and perpendicular to the spin axis. The vertical axis on a chart.

Y-Cable. A cable with three ends, with one common end. So that one interface splits in a 'Y' to two different cable ends. A Y-cable could have any type of termination, but a common example is a 3.5mm stereo connector to two RCA connectors [Red, White], or a male 3.5mm connector to two female 3.5mm connectors. A cable splitter, although this usually refers to a component and not a cable; see splitter.

Y-Cut. The manner in which a usable crystal is cut from a quartz crystal.

Y-Network. A network or system configuration connected in the shape of a 'Y', as in WYE shown above.

YIG Yttrium-Iron-Garnet. A a ferrimagnetic material, or compound.

YIG Crystal A crystal made of Yttrium, Iron, Garnet. [Crystal Manufacturers]

YOKE A set of coils placed over the neck of a Cathode Ray Tube [CRT] to move the electron beam position as it points at the face of the CRT. A ferromagnet placed between two magnetic cores to complete a magnetic field.

PC motherboard

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