1. Tim Ikin 11 th October 2007 2 ND SKADS Workshop 2-PAD Analogue Front End Tim Ikin Electronics Engineer 2 nd SKADS Workshop Paris 11 th October 2007

2. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Shielded Bunker Analogue Conditioner And Sampling Rack Processor Rack 20Gb Conditioning Module Acquisition &Processing Processor Blade Processor Blade Processor Blade Processor Blade Processor Blade Processor Blade Processor Blade Processor Blade Receivers Front-end Gain. Acquisition &Processing Acquisition &Processing Acquisition &Processing Conditioning Module Conditioning Module Conditioning Module

3. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Zin Zout Total gain Balanced input Balanced output Band Pass DC Power Regulators Matching LNA CAL Drive CAL Diode External Coupling

4. Tim Ikin 11 th October 2007 2 ND SKADS Workshop 80dB Active Balun Power Reg. Noise Diode Switch Cold plate

5. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Gain Chain Version 1 Gain = 72dB Designed constructed and characterised by Richard Morrow

6. Tim Ikin 11 th October 2007 2 ND SKADS Workshop

7. Tim Ikin 11 th October 2007 2 ND SKADS Workshop

8. Tim Ikin 11 th October 2007 2 ND SKADS Workshop

9. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Power Module 2-channel signal conditioning module Clock Module 2-channel acquisition and processing module Signals from field 2 x 10Gb Links Midplane

10. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Step attenuator Slope/ Gain Filter Lo Filter Hi Balun and DC Power Differential Pair Diff. Pair Diff. Pair Control Power Reg Front Panel Connector Filter TV By-pass Step attenuator Slope/ Gain Filter Lo Filter Hi Balun and DC Power Differential Pair Filter TV By-pass Power Reg

11. Tim Ikin 11 th October 2007 2 ND SKADS Workshop Gain Differential Pair 10Gbps Differential Pair A to D Converter FPGA Gain 4x PHY Power Regs. Clock Dist. 10Gbps Connector Front Panel Management

12. Tim Ikin 11 th October 2007 2 ND SKADS Workshop