Passive and Active PMT Biasing Networks IIS
نویسنده
چکیده
In this note we examine the change of the PMT pulse gain as a function of DC background current using an active divider and compare its behavior to the one obtained using a passive network. We show that the present version of the active divider results in: 1) constant gain over a large background current (rendering possible to operate the FD under the presence of some backscattered moon light, and other sources of unpredictable occurrence), and 2) in a factor 1:9 lower power consumption. These results are also shown to be independent of temperature.
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