Reference Info

* [https://indico.cern.ch/category/2380/ ECAL Upgrade Meetings] -- Indico
 * [https://indico.cern.ch/event/555413/contributions/2255917/attachments/1315904/1971278/2016.07-Design_considerations.pdf ADC Talk] with data rates
 * [https://indico.cern.ch/event/541146/contributions/2213035/attachments/1297980/1936201/UW_Phase2_HWRD_20Jun2016_v6.pdf Gorski APD talk]
* ECAL geometry:  
 * ECAL all: 56 x 72 (eta x phi)
 * ECAL barrel: 34 x 72
 * ECAL endcap: 11 x 72