Temperature sensor apparatus

Details Temperature sensor apparatus Temperature sensor apparatus

2006-02-07

2006-02-07

Lam, Tuan T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S138000, C327S262000

Reexamination Certificate

active

06995588

ABSTRACT:
A temperature sensor apparatus comprises a pair of parallel circuit branches each including a pn semiconductor junction coupled in series to an impedance. The pn semiconductor junctions have different cross-sectional areas. An amplification stage comprises a CMOS input stage coupled respectively across each pn semiconductor junction and a FET transistor output stage (coupled to a load impedance) that generates an amplified output signal corresponding to the pn semiconductor junction temperature.

REFERENCES:
patent: 5886515 (1999-03-01), Kelly
patent: 6028472 (2000-02-01), Nagumo
patent: 6084462 (2000-07-01), Barker
patent: 6147548 (2000-11-01), Doyle
patent: 6686797 (2004-02-01), Eker

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