Electricity: power supply or regulation systems – Including an impedance – Hall effect device or magnetoresistor
Patent
1990-04-05
1991-10-08
Beha, Jr., William H.
Electricity: power supply or regulation systems
Including an impedance
Hall effect device or magnetoresistor
307309, 323907, 324225, G05F 1567
Patent
active
050557688
ABSTRACT:
A resistor formed in the same epitaxial layer of semiconductor material in which a Hall element is formed is used to provide a temperature dependent voltage source which is inversely proportional to the resistance of a temperature sensitive load resistor on the Hall element output. A current mirror circuit is used to apply a current proportional to the current through the epitaxial layer resistor to the load resistor so that the voltage across through the load resistor varies in a direct relationship with the sensitivity of the Hall element.
REFERENCES:
patent: 4134030 (1979-01-01), Pace
patent: 4521727 (1985-06-01), Atherton et al.
patent: 4734594 (1988-03-01), Nelson
patent: 4760285 (1988-07-01), Nelson
patent: 4833406 (1989-05-01), Foster
patent: 4908527 (1990-03-01), Van Antwerp
Beha Jr. William H.
Honeywell Inc.
Lanyi William D.
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