和坐标轴定义有关,
水平轴是电压,就是4象限,比如吉时利2400,
水平轴是电流,就是2象限,比如横河7651
【 在 nlgdczm 的大作中提到: 】
: if a 12V battery is connected to the V-Source (HI to battery +) that is programmed for +10V, sink operation will occur in the second quadrant (source +V and measure -I).
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