Circuit Schematic Regulated and Voltage Selected Power Supply using LM317

Powersupply. - This is electronic circuit schematic of Circuit Schematic Regulated and Voltage Selected Power Supply using LM317 like in Figure 1 below. In this circuit schematic the basic component used is LM317 IC. 

In here we will give you global description about Circuit Schematic Regulated and Voltage Selected Power Supply using LM317 and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. Circuit Schematic Regulated and Voltage Selected Power Supply using LM317 (Source: Eleccircuits)

Component Part

• LM317
• Transformer
• Diodes
• Resistors
• Capacitors
• Selector Switch
• LED

Description

Circuit schematic like in Figure 1 above is Circuit Schematic Regulated and Voltage Selected Power Supply using LM317. Eleccircuits site describe that this project is not used many components so can assemble on the universal PCB board. But can make a PCB as Figure 2. Then, the wiring for circuit wiring and various components can view of the example in Figure 3. What to look out carefully for is the polarity of the electrolytic capacitors and Diodes correctly. Pin of the IC is not an error.

When we push power switch (S1) on, the AC-line voltage will pass through a fuse F1 and come to transformer T1 to reduce AC volts down to 12 volts. Then this current flow through the bridge diode model (D1-D4)-1N4001 to full wave rectifire as DC current and through C1 to filter current to smooth up and has C2 filter ripple signal before into LM317.

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