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Error in HP4145B

Question asked by garypang on Mar 30, 2012
Hi,

We are supplying constant voltage from HP4145B manually from the front panel. Unfortunately, all the 4 SMU outputs shoot to the the current compliance no matter what voltage I supplied. 

For example, if I supply 2V (20mA compliance), the measurement from the multimeter will be 0.7V where the current already shoot to the compliance, 20mA. The coaxial cables connected to the SMU are working fine.

I hope that someone can assist to identify the main cause of this error.

Thank you in advance.  

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