The utility model is composed of a guardcircuit, an oscillating circuit, a power amplifier circuit, a volume control circuit, an accident noticing circuit, etc.
本实用新型由防护、振荡、功放、音量控制、故障通知等电路组成。
2
With triax cable, the inner shield can be driven at guard potential in order to reduce cable leakage and minimize circuit rise times.
使用三同轴电缆时，为了减少电缆泄漏并尽量降低电路的上升时间，可以将内层屏蔽驱动到保护电位。
3
A guard is a low impedance point in the circuit that's at nearly the same potential as the high impedance lead being guarded.