Circuit Documentation

Summary

This document provides a detailed overview of a power supply circuit that converts 220V AC to a regulated DC voltage. The circuit includes a power transformer, bridge rectifier, electrolytic capacitor, potentiometer, LM317 voltage regulator, 7-segment panel voltmeter, and other essential components. The document outlines the components used, their descriptions, wiring details, and any embedded code.

Component List

1. Power Transformer (220V to 24V)

   • Pins: 2 - Primary, 1 - Primary, 3 - Secondary, 4 - Secondary
   • Description: Converts 220V AC to 24V AC.

2. Bridge Rectifier

   • Pins: Source_in-, source_out-, source_out+, source_in+
   • Description: Converts AC to DC.

3. Electrolytic Capacitor

   • Pins: -, +
   • Description: Smooths the rectified DC voltage.
   • Properties:
     • Capacitance: 0.00047 Farads

4. Power 220V

   • Pins: hot wire, neutral wire
   • Description: Provides 220V AC input.

5. Potentiometer

   • Pins: GND, Output, VCC
   • Description: Adjusts the output voltage.

6. LM317

   • Pins: ADJ, VO, VI
   • Description: Adjustable voltage regulator.

7. 7-Segment Panel Voltmeter

   • Pins: V+, V-
   • Description: Displays the output voltage.

8. Terminal PCB 2 Pin

   • Pins: Pin A, Pin B
   • Description: Provides connection points for external components.

9. Resistor

   • Pins: pin1, pin2
   • Description: Limits current.
   • Properties:
     • Resistance: 200 Ohms

Wiring Details

Power Transformer (220V to 24V)

• 2 - Primary connected to hot wire of Power 220V
• 1 - Primary connected to neutral wire of Power 220V
• 3 - Secondary connected to Source_in- of Bridge Rectifier
• 4 - Secondary connected to source_in+ of Bridge Rectifier

Bridge Rectifier

• Source_in- connected to 3 - Secondary of Power Transformer
• source_in+ connected to 4 - Secondary of Power Transformer
• source_out- connected to GND of Potentiometer, - of Electrolytic Capacitor, V- of 7-Segment Panel Voltmeter, and Pin B of Terminal PCB 2 Pin
• source_out+ connected to + of Electrolytic Capacitor and VI of LM317

Electrolytic Capacitor

• - connected to source_out- of Bridge Rectifier
• + connected to source_out+ of Bridge Rectifier and VI of LM317

Power 220V

• hot wire connected to 2 - Primary of Power Transformer
• neutral wire connected to 1 - Primary of Power Transformer

Potentiometer

• GND connected to source_out- of Bridge Rectifier
• Output connected to ADJ of LM317 and pin2 of Resistor

LM317

• ADJ connected to Output of Potentiometer and pin2 of Resistor
• VO connected to pin1 of Resistor, V+ of 7-Segment Panel Voltmeter, and Pin A of Terminal PCB 2 Pin
• VI connected to source_out+ of Bridge Rectifier and + of Electrolytic Capacitor

7-Segment Panel Voltmeter

• V+ connected to VO of LM317 and Pin A of Terminal PCB 2 Pin
• V- connected to source_out- of Bridge Rectifier and Pin B of Terminal PCB 2 Pin

Terminal PCB 2 Pin

• Pin A connected to VO of LM317 and V+ of 7-Segment Panel Voltmeter
• Pin B connected to source_out- of Bridge Rectifier and V- of 7-Segment Panel Voltmeter

Resistor

• pin1 connected to VO of LM317 and V+ of 7-Segment Panel Voltmeter
• pin2 connected to ADJ of LM317 and Output of Potentiometer

Embedded Code

There is no embedded code for this circuit.

---

This document provides a comprehensive overview of the power supply circuit, including component descriptions and detailed wiring information.