Interconnection World Glossary: Q, Quadrature-Phase, QA, Quality Assurance, QAM, Quadrature Amplitude Modulation

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Numbers & Misc. \| 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

Q	Quadrature-Phase

QA	Quality Assurance

QAM	Quadrature Amplitude Modulation

QC	Quality Control

QCIF	Quarter Common Interchange Format

QoS	Quality of Service

QLLC	Qualified Logical Link Control

QPPB	QoS Policy Propagation on BGP

QPM	QoS Policy Manager

QPSK	Quadrature Phase-Shift Keying

QRS	Quasi-Random Signal

QRSS	Quasi-Random Signal Sequence; Quasi-Random Signal Source

QRST	Quasi-Random Test Signal

QRW	Quasi-Random Word

QSIG	Q Signaling

QWP	Query With Permission

Quad-Indent	An indentor configuration of a crimp tool producing four closely grouped indents on the connector barrel.

Qualified Products List (QPL)	A list of commercial products that have been pretested and found to meet the requirements of a specification, especially government specifications.

Quick-Connect Terminal	A type of connection, similar to a lamp plug and wall socket, which is used where connectors are frequently removed, then connected again. Quick-connect terminals are found on home appliance, hi-fi equipment, television and other applications.

Quick-disconnect	A type of connector shell that permits rapid locking and unlocking of two connector halves.

Quick-disconnect Coupling	A design feature, apparent in the quick-disconnect connector; it permits relatively rapid joining and separation.