Definition

Noun: 1. Unwanted signal interference: The presence of an extraneous and undesired signal in an electrical circuit or communication channel, caused by accidental electromagnetic coupling from another source.

Usage Notes

• XT is a technical abbreviation, primarily used in the fields of electronics, telecommunications, and audio engineering.
• It refers to a specific type of noise or interference that is not inherent to the system but is introduced from an external source through unintended physical proximity or linkage (coupling).
• It is often discussed in the context of signal integrity, crosstalk, and electromagnetic compatibility (EMC).

Examples of Usage

• Noun:
  • The audio distortion was traced to xt from the power supply cables running alongside the signal wires.
  • Engineers redesigned the circuit board layout to minimize xt between the high-speed data lines.
  • A major design goal is to reduce xt to ensure clear transmission.

Advanced Usage

• XT coupling: Describes the specific mechanism (e.g., capacitive, inductive) by which the unwanted signal is transferred.
  • The XT coupling between the two channels was measured at -60 dB.

Variants and Related Words

• Crosstalk (XT): A more common full term for the same phenomenon, especially in telecommunications and audio.
  • There was noticeable crosstalk on the telephone line.
• Interference: A broader, more general term for any unwanted signal that degrades a desired signal.
• Noise: An even broader term for any unwanted random or persistent disturbance in a signal.

Synonyms

• Crosstalk
• Signal interference
• Electromagnetic interference (EMI) (in a specific context)
• Bleed-over (in audio contexts)

Antonyms

• Signal integrity
• Clear channel
• Isolation

Noun

1. the presence of an unwanted signal via an accidental coupling