Slide 1UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE UCSB 4-Hybrid Thermal Test System Status 11 August 2003 Sam Burke UCSB HEP Group

Slide 2UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Progress Fabrication and checkout of LVDS / CMOS NIM Module Complete. à Inputs: –2 LVDS Channels from ARC Controller (3.5mA) –1 CMOS Enable Input from Cold Box System (5v) à Outputs: –2 CMOS Signals to Cold Box NIM Pulser (5v)

Slide 3UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE LVDS / CMOS Converter

Slide 4UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Hybrid Pulser LVDS / CMOS acts to interface between the 4 Channel ARC Test Stand and the the NIM Pulser under the control of the Coolie Box (ie UCSB Cold Box System).

Slide 5UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Progress Work on improving seal on Cold Box à New high force clasps à Improved sealing surfaces à New Neoprene Sealing Gasket

Slide 6UCSB CMS Weekly Status MeetingCMS 4-Hybrid Test System Sam Burke EE Future Plans Test LVDS / CMOS Converter in NIM Crate à Test for operation from NIM Crate 12 V Supply à Check for system noise à Verify time delays Work on Sealing Cold Box