摘要
文中设计用精密电阻进行电流取样的 8量程 3级放大电路。以此电路为核心组成的低压电器谐波电流测试系统运行可靠,测试精度高。
Design an exact 8 bands, 3 level amplifier which apply exact resistor to sample current. The low voltage devices current harmonic measure system based on this circuit operates reliably, the measure precision is high.
出处
《电子测量技术》
2004年第2期23-23,25,共2页
Electronic Measurement Technology
