1. Test of E906 PreAmp Prototype Da-Shung Su, Su-Yin Wang, Ting-Hua Chang, Wen-Chen Chang 2010/01/28

2. Block Diagram http://www-hep.phys.sinica.edu.tw/E906/FrontPage?action=AttachFile&do=get&target=E906_PAD_ENG_Schematics_Rev3.pdf http://www-hep.phys.sinica.edu.tw/E906/FrontPage?action=AttachFile&do=get&target=E906_PAD_ENG_Schematics_Rev3.pdf

3. Stage A

4. Stage B

5. Reference Voltage

6. Cadence® Allegro® PCB ESD protectionStage AStage BComparatorDC/DC converter E906 PAD card PCB layout design, Rev 1.0

7. Dimension 4.6 cm 10 cm 1 cm 16 cm

8. Test of PreAmp Card (one-channel only) signal input DC Power supply ECL output from comparator

9. Input Signal from Function Generator

10. Test Platform

11. Amplified (Small) Signal at Stage A Input signal Amplified signal ECL differential output Injection charge =2.5  A Gain=30mV/2.5  A =12k 

12. Amplified (Small) Signal at Stage A Input signal Amplified signal ECL differential output Injection charge =2.5  A Gain=30mV/2.5  A =12k 

13. Amplified (Small) Signal at Stage B Input signal Amplified signal ECL differential output Injection charge =2.5  A Gain=200mV/2.5  A*2 =160k 

14. Amplified (Small) Signal at Stage B Input signal Amplified signal ECL differential output Injection charge =2.5  A Gain=200mV/2.5  A*2 =160k 

15. Amplified (Large) Signal at Stage B Input signal Amplified signal ECL differential output Injection charge =7.5  A Gain=700mV/7.5  A*2 =180k  Undershoot is intrinsic in the input signal. A quick baseline return within 30ns.

16. Detection Efficiency for Small Signal Comparator Output Triggered by 2.4 MHz signal from function generator. Accumulated over 1 minute.

17. Uniform Performance for Differential ECL Output from Comparator