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(Solved): QUESTION 3 3.1 Draw a neat, labelled circuit diagram of a power supply using the following component ...



QUESTION 3 3.1 Draw a neat, labelled circuit diagram of a power supply using the following components: A transformer A bridge rectifier A load resistor Two capacitors An inductor 3.2 The following information is available for the power supply circuit in QUESTION 3.1 above:

Vdc=150V

Vr(RMS)=10V

R_(L)=15k\Omega

L=2H

C_(2)=100\mu F

R=150\Omega

f=50Hz

Calculate the following: 3.2.1 The output DC voltage (2) 3.2.2 The output ripple voltage 3.2.3 The ripple factor across

C_(1)

(2) 3.2.4 The ripple factor across

C_(2)

(2) 3.3 Give TWO applications of a varactor (varicap diode).



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