Linearizing circuit and method of calibrating same

Details Linearizing circuit and method of calibrating same Linearizing circuit and method of calibrating same

1981-10-28

1984-05-08

Levy, Stewart J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonlinear

73 23, 204 1T, 324 74, G01R 1510, B01D 5940

Patent

active

044477805

ABSTRACT:
A linearizing circuit (10) is disclosed for devices having logarithmic outputs, such as electrolytic oxygen detectors (12). The circuit (10) has an inverting biasing circuit (14) and a scaling circuit (16) connected to an antilog function generator (18) and is calibrated by zeroing the inverting biasing circuit (14) at an extreme point of the desired range and sealing a second point on the desired range in the scaling circuit (16).

REFERENCES:
patent: 3895221 (1975-07-01), Ohata et al.
patent: 4032856 (1977-06-01), Goldner
patent: 4135381 (1979-01-01), Sherwin
patent: 4145661 (1979-03-01), Wong
"Linearising the Output Voltage from Ion-Specific Electrodes," in Med. & Biol. Eng. & Computing, vol. 15, No. 6, p. 718, Nov. 1977 by P. Gay.

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