Programmable zero-bias floating gate tapping method and apparatu

Details Programmable zero-bias floating gate tapping method and apparatu Programmable zero-bias floating gate tapping method and apparatu

1979-02-28

1981-11-03

Gruber, Felix D.

Boots, shoes, and leggings

364824, 364862, 333165, G06G 719, H03K 5195

Patent

active

042989531

ABSTRACT:
A method and an apparatus for selectively summing the time-varying components of a plurality of electrical voltages are disclosed. The electrical voltages can each be characterized by a quiescent bias component and a time-varying small signal information component. Each electrical voltage is selectively connected to at most one of a plurality of summing buses and each bus is allowed to separately float to a quiescent voltage level corresponding approximately to a selected average value of the bias components of the signals connected thereto. The potential difference measured between the buses corresponds to the difference in the weighted average values of the time-varying components connected to each bus. The weights may be equal or unequal. The method and apparatus provide means for implementing programmable transversal filters and correlation devices.

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patent: 4156924 (1979-05-01), Lampe et al.

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