1. ECAL Front-end development

2. Front-end Board Specification: Output shaping: Nr of channels : 8
Input voltage range: V
Input resistance: 50 Ohm
Supply voltage: +- 5V
Output shaping:
Rising time: 100 ns
Length of pulse: 400 ns
Output range: 2V pp
output DC voltage: 0.9V

3. Front-end Board Connections: Threshold Digital output: LVDS
Digital output connector: 20-way 100 mils twisted pair cable
Analog output connector: KEL 80 way twisted pair 50 mils
Input connector: MMCX
Threshold
10-bit DAC in each channel
SPI compatible 3-wire serial interface

4. Front-end Readout Board
TRBv3 addon board (new development Ms ADC-see Michael talk)
old Shower-Addon ADC

5. Schedule
Front-end board: December 2011
TRBv3 addon: March 2012