Signal conditioning circuit

Details Signal conditioning circuit Signal conditioning circuit

1991-09-19

1993-03-02

Mullins, James B.

Amplifiers

With periodic switching input-output

330 86, 330144, H03F 102, H03G 9902

Patent

active

051912961

ABSTRACT:
A signal conditioning circuit allows for adjustment of DC offset (zero) and gain (span) by use of a number of resistors and jumpers in an Op Amp circuit. By arranging both the zero and span resistors in a trinary weighted sequence (1/3/9), only 3 resistors and 3 jumpers will be needed for +/- 130% adjustment range in 26 steps of less than 10% each. The total requirement for both the zero and span adjustment in the conditioning circuit is 6 resistors and 6 jumpers, reducing component count, printed circuit space requirements and simplifying jumper settings.

REFERENCES:
patent: 3936819 (1976-02-01), Angelle et al.

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