Bias Card Rev F2 to Rev F4 changes

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Revision as of 11:08, 26 January 2012 by Mandana (talk | contribs) (Created page with '== ECO-061 == *Module Name: Bias Card *Module Number: ELE_C583_101 *Change From: Rev. F2 Change To: Rev. F4 *Change Request #: ECO-061 * Date:Aug.3, 2011, Requested by:GPD/S…')
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ECO-061

  • Module Name: Bias Card
  • Module Number: ELE_C583_101
  • Change From: Rev. F2 Change To: Rev. F4
  • Change Request #: ECO-061
  • Date:Aug.3, 2011, Requested by:GPD/Spider

Problem Description

Excessive 1/f noise of bias lines when used as TES Bias

Change Description

  1. Replace U10 with AD8622 (PN=IC 002404) for channel 16 to 31 (total of 8 opamps)
  2. Replace R5/R10 on each of channel 16 to 31 with 750-Ohm 10ppm (PN=002428)
  3. Relabel the card as Rev. F4
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