| 摘要 |
A circuit pattern of a printed circuit board for improving electro magnetic interference is provided to implement stable operation of discrete circuits by interrupting flow of a charge between the circuits without increment of Y-Cap capacity by separating a primary side GND(Ground) pattern line and a secondary side GND pattern line of a transformer. In a circuit pattern of a printed circuit board, a circuit is designed to transmit energy to a secondary side of a transformer through a circuit provided at a primary side of the transformer. Electro magnetic interference is improved by separating a primary side GND(Ground) pattern line(11) and a secondary side GND pattern line(12) of the transformer in a flow path of a charge. The separation of a connection line between the primary side GND pattern line and the secondary GND pattern line is performed through disconnection.
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