irs chip testing report 09/09/2010 chih-ching chen and chiu-chuan ming-yuan

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IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

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Page 1: IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

IRS Chip Testing Report09/09/2010

Chih-Ching Chenand Chiu-Chuan

Ming-Yuan

Page 2: IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

status of the tests we discussed in Hawaii

• Find a data value set for testing • Replace a new IRS chip• Voltage cal.• Storage access testing for all 32K (ongoing)Will do: • Sample timing calibration for one channel• Sampling timing calibration by Avtech pulse• Change CMPbias resister

Page 3: IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

Replace a new IRS

Page 4: IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

testing details and difficulties

• The CH0-CH2 signal are bad after 64 sampling points in new IRS chip. New TSA value?

Page 5: IRS Chip Testing Report 09/09/2010 Chih-Ching Chen and Chiu-Chuan Ming-Yuan

questions

• The IRS testing board layout file