What does it mean if two signals are said to be in quadrature?
A)At a 90° angle
B)Output is zero with no modulation
C)One-half that for the Foster-Seeley circuit
D)Phase-shift detection arises quite often

Question

Quizplus · Accepted Answer

Two signals are said to be in quadrature if they are 90 degrees out of phase with each other. This is commonly seen in applications such as radio communications, where signals need to be modulated and demodulated using phase-shift techniques.

What Does It Mean If Two Signals Are Said to Be