Temperature compensated antilogarithmic converter

G - Physics – 10 – H

Patent

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Details

331/60, 84/1.5

G10H 5/00 (2006.01) G06G 7/24 (2006.01) H03L 1/02 (2006.01)

Patent

CA 1071445

Abstract of the Disclosure A temperature-compensated antilogarithmic converter has a temperature-sensitive signal generator for generating a temperature dependent signal which varies in proportion to absolute temperature; a multiplier for mixing and converting the temperature dependent signal and an input signal into a product signal; and non-temperature compensated antilog- arithmic amplifier for converting the product signal into a non-temperature compensated antilogarithm of the product signal, wherein by placing the temperature-sensitive element of the temperature-sensitive signal generator and the antilogarithmic element of the antilogarithmic amplifier at the same temperature, the temperature dependance of the antilogarithmic amplifier is compansated by the temperature dependent signal. Thereby, an output converted signal the voltage or current of which is stable with respect to temperature variation can be generated.

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