Method of pedestal and common-mode noise correction for switched-capacitor analog memories
Patent
·
OSTI ID:541762
A method and apparatus are disclosed for correcting common-mode noise and pedestal noise in a multichannel array of switched-capacitor analog memories wherein each analog memory is connected to an associated analog-to-digital converter. The apparatus comprises a single differential element in two different embodiments. In a first embodiment, the differential element is a reference analog memory connected to a buffer. In the second embodiment, the differential dement is a reference analog memory connected to a reference analog-to-digital connected to an array of digital summing circuits. 4 figs.
- Research Organization:
- Lockheed Martin Energy Syst Inc
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Lockheed Martin Energy Systems, Inc., Oak Ridge, TN (United States)
- Patent Number(s):
- US 5,671,172/A/
- Application Number:
- PAN: 8-738,626
- OSTI ID:
- 541762
- Country of Publication:
- United States
- Language:
- English
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