IV. EXPERIMENTAL PROCEDURE 1. Rectifier circuits a) Connect the half-wave rectif

Question

IV. EXPERIMENTAL PROCEDURE 1. Rectifier circuits a) Connect the half-wave rectifier of Fig. 8(a) with a suitable Ri and the diode I1N4004 Determine R. so that you get a peak-to-peak arrent of 10 mA for a sinusoidal input signal (Vin) of 10 V peak to peak with a frequency of 1 kHz. Sketch the output Fout and input Vin for one complete cycle b) Repeat (a) using the circuit of Fig. 8(b). Fill out the following data-table. Assume a voltage drop across the diode of 0.7V for theoretical calculations. Table 1: Diode experiment DC value of Yout RMIS value of Yout Ripple Factor Theoretical values for Fig. 8(a Experimental values ul for Fig 8a) Theoretical values for Fis. b Experimental values for Fie. 8b) aut Vout R. R.

Explanation / Answer

thearetical value for 8.a

DC output voltage = Vs max / pi = 10 / 3.14 = 3.19 V

RMS value = Vdc / 0.45 =7.09V

Ripple factor = ((Vrms/Vdc)^2 - 1)^(1/2) =1.99

For 8.b, The magnitude of all dc , rms and ripple factor are same for a negative half cycle rectifier, But the difference is the direction of dc (in negatice direction)

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