Ceramic gas discharge tube in the detection of interference, to note that the instrument testing: general interference sources can be said in three parts, one is the power interference, so that if there is a large power equipment field, suggestions are dedicated to the supply of test instrument power supply; interference signal introduction, recommend the use of high CMRR probe to reduce interference. Some signal test suggested the use of spring wire to reduce perceptual effects; if the space electromagnetic interference suggested a few isolation measures to reduce the impact on the test.

Now is the simulation of surge current to test its breakdown state and recovery to determine the eligibility of ceramic gas discharge tube: because the gas ionization takes time, so the response speed is slow, the reaction time is 0.2 ~ 0.3 s (200 ~ 300ns), the fastest is 0.1 s (100ns it is not about) in conduction before, there will be a greater range of sharp pulse leakage past. The breakdown voltage consistency is poor, the dispersion is bigger, generally is + 20%.
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