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To protect analyzer from high voltage damage?

Question asked by on Aug 26, 2011
Latest reply on Aug 26, 2011 by scottrf
I plan to use E5071C to measure a sample which is back-gated up to 100V. There is a slight chance for the insulating layer between the sample and the back gate to leak/break so that 100V may damage the analyzer ports through cables connected to the sample. To provide some protection, I am thinking about adding a pair of attenuators on the back bias input (something like this: ... 0544297992 ). I think this gives the same kind of protection as connecting attenuators to the front test ports, but attenuators on the back hardly affect the signals. Am I thinking correctly?