Invention Application
US20140097897A1 OP-AMP Sharing Technique to Remove Memory Effect in Pipelined Circuit
有权
OP-AMP共享技术去除流水线电路中的记忆效应
- Patent Title: OP-AMP Sharing Technique to Remove Memory Effect in Pipelined Circuit
- Patent Title (中): OP-AMP共享技术去除流水线电路中的记忆效应
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Application No.: US14025724Application Date: 2013-09-12
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Publication No.: US20140097897A1Publication Date: 2014-04-10
- Inventor: Louis Hau-Yiu TSUI , Isaac Terasuth Ko
- Applicant: Supertex, Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: Supertex, Inc.
- Current Assignee: Supertex, Inc.
- Current Assignee Address: US CA Sunnyvale
- Main IPC: H03F3/45
- IPC: H03F3/45
Abstract:
This document describes a new op-amp sharing technique for pipeline ADC without memory effect. The key features of this technique are: the usage of negative impedance converter and scaled replica of the op-amp input device to achieve zero error voltage, which in turns achieve low power dissipation due to the removal of the tradeoff between op-amp sharing and memory effect. With this technique much lower operation of pipeline ADC can be achieved for applications of data communications and image signal processing.
Public/Granted literature
- US09154091B2 OP-AMP sharing technique to remove memory effect in pipelined circuit Public/Granted day:2015-10-06
Information query
