OT HV Distribution

Front-End Box

The interface between the FE Electronics and the anode wires is provided by the HV Boards. Since an HV Board services 32 detector channels, each FE Box hosts four or two HV Boards, depending on the type of straw-tube modules): The figure below shows how the HV Boards are mounted onto the FE Box inner frame FE Box inner frame. Also indicated in the figure is the numbering scheme of the four HV Boards.

HV on FE

The HV Board numbering scheme (see figure above) is also clearly illustrated by the graphics on the FE Box cover.

FE Box