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A variable voltage regulator circuit

2017-08-08 02:04  
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This article describes a variable voltage regulator circuit. The circuit is very simple, very cheap, very effective. If you want a more thorough grasp of the principles, you can find out about important components of the circuit, such as: LM317T . Control the output voltage regulator can be from one of the variable in three ways:
1. Using a fixed reference zener diode to increase the value of the output voltage.
2. A variable resistor is a variable output voltage is below the nominal regulator attention is impossible.
3. A series of diodes, such as 1 n4001, which increases the yield of 0.7 V for each diode is used. 


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