1. HF Video MeetingDec 2002E. Hazen HF Electronics PMT Readout Update E. Hazen, J. Rohlf, E. Machado Boston University

2. HF Video MeetingDec 2002E. Hazen Status of Prototypes ● Two skew-clear 5m cables due any day now... ● New QIE HF boards: – Bare PCBs due end of this week – Stuffed PCBs (10) due end of January ● Patch panel / ROBOX cables – Connectors and tooling in hand – Patch panel quick-turn PCBs ready next week ● (can use two patch panels with existing QIE boards as a starting point to test skew-clear cable)

3. HF Video MeetingDec 2002E. Hazen LED Pulser Tests ● We studied briefly the performance of the Iowa pulser, and it does indeed work as advertised

4. HF Video MeetingDec 2002E. Hazen 7ns fwhm Input to LED pulser (clipped)Output from LED Pulser PMT Signal (~100pe) PMT Signal (average) 10ns fwhm 5ns risetime 10ns fwhm

5. HF Video MeetingDec 2002E. Hazen Task List