Inferior switching power supplies used in communication or household devices can cause electromagnetic interference to radio receivers, primarily due to harmonic radiation from the switching circuits.
通信或家用设备的劣质开关电源会造成对无线电接收机的电磁干扰，其源头主要是开关电路的谐波辐射。
| 正面 | LK0691 通信或家用设备的劣质开关电源会造成对无线电接收机的电磁干扰，其源头主要是： |
|---|---|
| 背面 | 开关电路的谐波辐射 |
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