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公开(公告)号：EP3985368B1
公开(公告)日：2024-07-17
申请号：EP20929678.9
申请日：2020-08-25
CPC分类号： G01K7/24 , G01K2219/0020130101 , H03F3/45475 , H03F1/083 , H03F2203/4528420130101 , H03F2203/4552820130101 , H03G1/0017 , H03F3/087
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公开(公告)号：EP4425133A2
公开(公告)日：2024-09-04
申请号：EP24159848.1
申请日：2024-02-27
发明人： Ragab, Kareem , Lin, Xiaofeng , Cheung, Darwin , Mo, Chi , Chandrasekhar, Vinay , Song, Jungwoo , Jiang, Xicheng
IPC分类号： G01K7/24
CPC分类号： G01K7/24 , G01K2219/0020130101 , G01K2215/0020130101 , G01K2211/0020130101
摘要： An apparatus includes a temperature sensing circuit that includes both on-chip and off-chip components. The apparatus includes components that use the same source as a reference voltage, thus allowing variations in the reference voltage to be compensated for. Additionally, the apparatus can provide error averaging to compensate for deterministic error sources.
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公开(公告)号：EP4425132A2
公开(公告)日：2024-09-04
申请号：EP24159841.6
申请日：2024-02-27
发明人： Ragab, Kareem , Lin, Xiaofeng , Cheung, Darwin , Mo, Chi , Chandrasekhar, Vinay , Song, Jungwoo , Jiang, Xicheng
IPC分类号： G01K7/24
CPC分类号： G01K2211/0020130101 , H01L29/66825 , G01K2219/0020130101 , G01K7/24
摘要： An apparatus includes a switched-capacitor resistor that provides an equivalent resistance that can be used as a reference resistor. The switched-capacitor resistor includes a capacitor and a pair of switches that alternately switch (e.g., open and close) in order to charge and discharge the capacitor. The switching frequency of the switches can be controlled by a clock phase generator that generates non-overlapping pulses. To further control the frequency, a frequency locked loop circuit can also be used.
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