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1.发明公开
公开(公告)号：EP0203705A3
公开(公告)日：1988-07-13
申请号：EP86303028
申请日：1986-04-22
IPC分类号： H03F03/45 , H03K19/094
CPC分类号： H03F3/45376 , H03F3/45381 , H03F3/45645 , H03F3/4565 , H03F3/45659 , H03F2200/291 , H03F2200/78 , H03F2203/45008 , H03F2203/45072 , H03F2203/45081 , H03F2203/45186 , H03F2203/45418 , H03F2203/45462 , H03F2203/45476 , H03F2203/45612 , H03F2203/45658 , H03K19/00384 , H03K19/09436
摘要： A gallium arsenide differential amplifier is compensated against temperature and process induced variations so as to provide phase and amplitude matched differential output signals centered about an internal GaAs reference voltage. Compensation of the amplifier is effected by one or more current sources which are adjustably responsive to the dynamic common mode level of the output signals. The resultant amplifier provides a high common mode rejection ratio and facilitates implementation of otherwise impracticable differential GaAs circuit topologies.
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2.发明公开
公开(公告)号：EP0203705A2
公开(公告)日：1986-12-03
申请号：EP86303028.4
申请日：1986-04-22
IPC分类号： H03F3/45 , H03K19/094
CPC分类号： H03F3/45376 , H03F3/45381 , H03F3/45645 , H03F3/4565 , H03F3/45659 , H03F2200/291 , H03F2200/78 , H03F2203/45008 , H03F2203/45072 , H03F2203/45081 , H03F2203/45186 , H03F2203/45418 , H03F2203/45462 , H03F2203/45476 , H03F2203/45612 , H03F2203/45658 , H03K19/00384 , H03K19/09436
摘要： A gallium arsenide differential amplifier is compensated against temperature and process induced variations so as to provide phase and amplitude matched differential output signals centered about an internal GaAs reference voltage. Compensation of the amplifier is effected by one or more current sources which are adjustably responsive to the dynamic common mode level of the output signals. The resultant amplifier provides a high common mode rejection ratio and facilitates implementation of otherwise impracticable differential GaAs circuit topologies.
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