A/D converter

Details A/D converter A/D converter

1994-12-19

1996-11-26

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341135, H03M 144

Patent

active

055790062

ABSTRACT:
An analog input signal current is split into a tree form. Hierarchical subtraction process for subtracting a comparison reference current is performed in each current path in the tree structure. At the final stage of the tree structure, the current is compared with a reference current to obtain a digital signal on the basis of results of comparison.

REFERENCES:
patent: 4229729 (1980-10-01), Devendorf et al.
patent: 4306224 (1981-12-01), Geller et al.
Krenik et al; "Current-Mode Flash A/D Conversion Based on Current-Splitting Techniques"; 1992 IEEE International Symposium on Circuits and System, vol. 2, pp. 585-588.

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