Glossary Term: I/Q
Definition
1. I/Q modulation is a method for combining two channels of information into one signal so that they can be separated at a later stage. Two quadrature carriers, 90 degrees out of phase, are modulated, then combined.
Abbreviated from "in-phase/quadrature-phase" which refers to the two carrier signals' phase relationship.
2. IQ (Q should be subscripted but sometimes printed as "IQ" without subscripting): Quiescent current: The current consumed when a circuit is in a quiet state, driving no load and if appropriate, with its inputs not cycling.
3. Intelligence quotient, a measure in which electrical engineers invariably excel.
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