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UC3846N频率精度

Other Parts Discussed in Thread: UC3846

用UC3846N做逆变焊机,设计中心频率20KHz,要求频率偏差5%,能否实现?

从手册来看UC3846的频率精度为10%,能否通过外部电路来改善?跟设计频率是否有关系?