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| 摘要: |
| 比较了直流电源、信号发生器、频率计、毫伏表的内部电路 ,给出了一种替代上述仪器功能的多功能电子仪器的设计方法 ,分析了其性价比。 |
| 关键词: 多功能,电子仪器,性价比 |
| DOI： |
| 分类号:TN702 |
| 基金项目: |
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| A Design for Low-frequency and Multifunctional Electrical Instrument |
|
文川' target='_blank'>WEN Chuan
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| Abstract: |
| The internal circuit of D.C. power supply,the signal generator,the frequency meter and the micro_vol_tage meter were compared,then a design approach of the newly multifunctional electrical instrument which can replace the four meters above has been giv |
| Key words: multifunction,electrical instrument,performance cost ratio |
