Squaring cell implementing tail current multipication

Details Squaring cell implementing tail current multipication Squaring cell implementing tail current multipication

2007-11-27

2007-11-27

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Exponential

C327S348000

Reexamination Certificate

active

11253565

ABSTRACT:
A current squaring cell is provided for producing an output current that correlates to the square of an input signal current. The current squaring cell comprises a first circuit portion, which receives a first tail current that is positively proportional to the input signal current, and a second circuit portion, which connects to the first circuit portion and receives a second tail current that is negatively proportional to the input signal current.

REFERENCES:
patent: 5146108 (1992-09-01), Tamura et al.
patent: 5485119 (1996-01-01), Kimura
Gilbert, “A New Wide-Band Amplifier Technique”, IEEE Journal of Solid-State Circuits, vol. SC-3, No. 4, Dec. 1968, pp. 353-365.

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