(GTL) A standard for electrical signals in CMOS circuits used to provide higher data transfer speeds with smaller voltage swings [compared with what?]. The GTL signal swings between 0.4 volts and 1.2 volts with a reference voltage of about 0.8 volts. Only a small deviation of 0.4 volts (or thereabouts) from the reference voltage is required to switch between on and off states. Therefore, a GTL signal is said to be a low voltage swing logic signal. Gunning Transceiver Logic has several advantages. The resistive termination of a GTL signal provides a clean signalling environment [what?]. Moreover, the low terminating voltage of 1.2 volts results in reduced voltage drops across the resistive elements. GTL has low power dissipation and can operate at high frequency and causes less {electromagnetic interference} (EMI). {GTL/BTL: A Low-Swing Solution for High-Speed Digital Logic (http://www.edtn.com/scribe/reference/appnotes/md003ecc.htm)}. (2000-01-16)
