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 FosterSeeley circuit
D. Phase-shift detection arises quite often
Question 2
What type of detector is a circuit designed to respond only to frequency changes of the input signal?
A. Slope
B. Ratio
C. Quadrature
D. Synchronous