Low-bias Current 低偏置电流
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
The low-bias current control method is proposed in order to improve system high frequency dynamic performance.
为提高系统高频动态特性，提出了低偏置电流工作方式。
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