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SLHC CSC Electronics Upgrade Spearheaded by OSU CMS Group

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Presentation on theme: "SLHC CSC Electronics Upgrade Spearheaded by OSU CMS Group"— Presentation transcript:

1 SLHC CSC Electronics Upgrade Spearheaded by OSU CMS Group
A flash-ADC for each strip with digital storage Replace electronics on Highest Rate Chambers Deadtimeless ME1/1 Electronics Upgrade 504 DCFEBs OSU 72 DMBs NE,UCSB 72 TMB (d.c.) TAMU,UCLA 8 MPC Rice 72 LVDB (+more power) 72 LVMB 1008 Cables (default skewclear) 1st prototype Nov 2010 Analog-digital 18 layer board

2 The rest are slides from

3 SLHC Upgrade R&D Two Concerns about highest rate ME1/1 Chambers
1) CSC Trigger questionable for >2.1 - for rate split strips in half - for $$$ ganged strips 4 strip modulo 4 2) At SLHC Rates conservative estimate shows SCA overuse in ME1/1 at 10%! - neutron background not well known

4 Digital CFEB – A Nice Idea for the SLHC
Replace Conventional ADC and SCA storage with Flash ADC and Digital Storage New System Deadtimeless, Removes rate worries Similar cost to old system Fairly Radical Idea – Couldn’t build 8 Years Ago

5 Overall Scope of Upgrade
ME1/1 Electronics Upgrade 504 DCFEBs OSU 72 DMBs NE,UCSB 72 TMB (d.c.) TAMU,UCLA 8 MPC Rice 72 LVDB (+more power) 72 LVMB 1008 Cables (default skewclear) Left over boards ME4/2 upgrate

6 Flash DCFEB R&D Board Status
Replace ME1/1 board will be used for ME4/2 upgrade chambers A complex board (18 layers) Analog-Digital Ben Bysma (0.5 FTE) -Schematics complete end of August -Board Layout underway -Board Production October - Results Early November We intend to instrumented a chamber with new electronics during the 7TeV14TeV LHC shutdown


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