请问,高频放大电路放大器需要正负6V电源,在PCB板上怎样实现呢?
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1.直接买一个输出+-8V的电源,然后使用LDO降压,像LM337,LM317.
2.使用开关电源,像TPS5430,TPS62170将正电压转为负电压。