Hall effect device with epitaxal layer resistive means for provi

Details Hall effect device with epitaxal layer resistive means for provi Hall effect device with epitaxal layer resistive means for provi

1987-03-30

1988-07-26

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

324251, 357 27, 307311, 307296R, H03K 1790, G01R 3306

Patent

active

047602856

ABSTRACT:
A linear Hall effect integrated circuit in which the output signal of a Hall element formed in an epitaxial layer is amplified by an amplifier circuit whose gain is determined by a resistor partially formed in the same epitaxial layer. A first amplifier stage configured as a voltage to current converter is connected through a current mirror to a second amplifier stage configured as a current to voltage converter. The current bias for the first amplifier stage is controlled by a resistor also partially formed in the epitaxial layer.

REFERENCES:
patent: 4028718 (1977-06-01), Migitaka et al.
patent: 4371837 (1983-02-01), Sieverin
patent: 4593241 (1986-06-01), Eulenberg et al.
patent: 4634961 (1987-01-01), Popovic et al.

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