In information assurance, a sector consisting of a header but no data, used in large numbers on a diskette to cause an unauthorized copying program to fail to copy the diskette. [2382-pt.8]

The time required for the amplitude of a pulse to decrease (fall) from a specified value (usually 90 percent of the peak value exclusive of overshoot or undershoot) to another specified value (usually 10 percent of the peak value exclusive of overshoot or undershoot).
Note: Limits on undershoot and oscillation, i.e., hunting, may need to be specified when specifying fall… (Read More →)

See illegal character.

A condition where a phase-locked loop controlling a clock locks on a frequency other than the correct frequency.
Note 1: False clock can occur when there is excessive phase shift, as a function of frequency, in the loop.
Note 2: False clock often occurs where the false frequency is a harmonic of the correct frequency.

A condition where a phase-locked loop locks to a frequency other than the correct one, or to an improper phase.

Synonym break out.

A directional antenna producing a main beam having a large ratio of major to minor dimension at any transverse cross section.

Synonym breakout cable.

Abbreviation for Frequently Asked Questions file. An online file that contains frequently asked questions with answers provided to assist new users and avoid repetitive offline inquiries.
Note: An FAQ file is usually created for Internet news groups, but is also used in other applications.

Synonym far-field region.