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[求助]
Keithley 4200-SCS的PMU进行脉冲测试结果不准确
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采用Keithley 4200-SCS的PMU进行脉冲测试时使用Segment ARB测试模式为什么输出的结果始终与输出的实际信号不符合，测试代码如下： int status; double SampleRate=100e6; //Set PMU into Seg-Arb mode status = pg2_init(PMU1, 1); //Program PMU with resistance of connected DUT status = pulse_load(PMU1, 1, DUTRes); //Program the PMU voltage source and current measure ranges status = pulse_ranges(PMU1, 1, VSrcRange, 2, VRange, 2, IRange); //Set the measure SampleRate status = pulse_sample_rate(PMU1, SampleRate); //Set Array names so that data can be automatically returned to the data sheet status = pulse_measrt(PMU1, 1, "VMeas", "IMeas", "TimeOutput", NULL) //Sequence 1 configuration seg_arb_sequence(PMU1,1,1,Numsegemnts1,Start_Volt1,Stop_Volt1, Time_Interval1,Trig_Level1,Output_Relay1,Meas_Type1,Meas_Start1, Meas_Stop1); //Sequence 2 configuration seg_arb_sequence(PMU1,1,2,Numsegemnts2,Start_Volt2,Stop_Volt2, Time_Interval2,Trig_Level2,Output_Relay2,Meas_Type2,Meas_Start2, Meas_Stop2); //Sequence 3 configuration seg_arb_sequence(PMU1,1,3,Numsegemnts3, Start_Volt3, Stop_Volt3, Time_Interval3, Trig_Level3, Output_Relay3, Meas_Type3, Meas_Start3, Meas_Stop3); //Sequence 4 configuration seg_arb_sequence(PMU1, 1, 4, Numsegemnts4, Start_Volt4, Stop_Volt4, Time_Interval4, Trig_Level4, Output_Relay4, Meas_Type4, Meas_Start4, Meas_Stop4); //Sequence 5 configuration seg_arb_sequence(PMU1, 1, 5, Numsegemnts5, Start_Volt5, Stop_Volt5, Time_Interval5, Trig_Level5, Output_Relay5, Meas_Type5, Meas_Start5, Meas_Stop5); //waveform configuration seg_arb_waveform(PMU1, 1, NumSeq, Seq_Num, Seq_Loop_Count); //Turn on outputs status = pulse_output(PMU1, 1, 1); //Run test: output Segment ARB waveform while measuring status = pulse_exec(PULSE_MODE_SIMPLE); 有什么问题吗？ |
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