Current weighted voltage interpolation buffer

Details Current weighted voltage interpolation buffer Current weighted voltage interpolation buffer

2007-09-27

2009-06-02

Wells, Kenneth B (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S103000

Reexamination Certificate

active

07541844

ABSTRACT:
A voltage interpolation buffer for interpolating voltages by adjusting ratio of bias currents includes a first difference voltage to current unit for outputting corresponding difference current according to a first voltage, a first bias current and voltage of a voltage output end, a second difference voltage to current unit for outputting corresponding difference current according to a second voltage, a second bias current and the voltage of the voltage output end, and a current to voltage unit coupled to the first difference voltage to current unit, the second difference voltage to current unit and the voltage output end for outputting a interpolation result of the first voltage and the second voltage corresponding to a ratio of the first bias current and the second bias current according to the difference currents outputted by the first difference voltage to current unit and the second difference voltage to current unit.

REFERENCES:
patent: 6806744 (2004-10-01), Bell et al.
patent: 2004/0263227 (2004-12-01), Baker et al.

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