发明授权
- 专利标题: Integrated thermoelectric protection circuit for depletion mode power amplifiers
- 专利标题(中): 用于耗尽型功率放大器的集成热电保护电路
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申请号: US13094175申请日: 2011-04-26
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公开(公告)号: US08198942B1公开(公告)日: 2012-06-12
- 发明人: John P. Bettencourt
- 申请人: John P. Bettencourt
- 申请人地址: US MA Waltham
- 专利权人: Raytheon Company
- 当前专利权人: Raytheon Company
- 当前专利权人地址: US MA Waltham
- 代理机构: Daly, Crowley, Mofford & Durkee, LLP
- 主分类号: H02H7/20
- IPC分类号: H02H7/20
摘要:
An amplifier having a depletion mode output transistor and a bias circuit coupled to a negative voltage supply. A thermopile is provided to bias the output transistor to an “off” condition in the event of failure of the negative supply voltage.
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