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  3. 3.- design a variable voltage source from 1.25 to

3.- Design a variable voltage source from 1.25 to 20V with the LM317 voltage regulator. This...

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Electrical Engineering

3.- Design a variable voltage source from 1.25 to 20V with theLM317 voltage regulator. This source will be powered by 127Vac @60HZ from CFE. Determine the following:
a) complete schematic circuit.
b) Diodes that support VPI and load current.
c) required transformer (turns ratio), not to exceed theregulator's maximum input voltage. (See data sheet.
d) Filter C. Uses an RF of 1%
e) LM 317 regulator circuit. Consider the following: calculate theadjustment resistances, and that, when bringing the variableresistance to its maximum value, deliver exactly the requested 20v,and the minimum 1.25v.


Perform your simulation in multisim or some other program to verifythe verified data.

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