1.

Compute the output of frequency doubler. If the inputs Vx = Vsin t and Vy = Vsin( t+ ) are applied to a four quadrant multiplier?

A. V<sub>o</sub>= { V<sub>x</sub> V<sub>y</sub> [cos -(cos cos2 t)+(sin sin2 t)]}/ V<sub>ref</sub>
B. V<sub>o</sub>= { V<sub>x</sub> V<sub>y</sub> [cos -(cos cos2 t)+(sin sin2 t)]}/ 2
C. V<sub>o</sub>= { V<sub>x</sub> V<sub>y</sub> [cos -(cos cos2 t)+(sin sin2 t)]}/(2 V<sub>ref</sub>)
D. V<sub>o</sub>= { V<sub>x</sub> V<sub>y</sub> [cos -(cos cos2 t)+(sin sin2 t)]}/(2 V<sub>ref</sub>)
Answer» D. V<sub>o</sub>= { V<sub>x</sub> V<sub>y</sub> [cos -(cos cos2 t)+(sin sin2 t)]}/(2 V<sub>ref</sub>)


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