onsider a half-wave rectifier circuit with a triangular-wave input of 5-V peak-to-peak amplitude and zero average, and with R = 1 k?. Assume that the diode can be represented by the constant-voltage-drop model with VD = 0.7 V. Find the average value of vO.

Question

Physics

Johnston

30 November, 10:11

onsider a half-wave rectifier circuit with a triangular-wave input of 5-V peak-to-peak amplitude and zero average, and with R = 1 k?. Assume that the diode can be represented by the constant-voltage-drop model with VD = 0.7 V. Find the average value of vO.

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Elaina Jensen · Answer 1

Vo=0.324v

Explanation:Given: Area of shaded triangle is t1, t2 and T/4

Fprst find t1 and t2

(2.5/T/4) = (0.7/t1)

t1=0.07T

t2 = (T/2) - t1

t2 = 0.43T

Vo = 1/T * shaded triangle

Vo = (2.5-0.7) * (T/4-t)

Vo = 1/T * 1.8 * (1/4-0.07)

Vo=0.324v