Non-reciprocal network element that produces an input...

Details Non-reciprocal network element that produces an input... Non-reciprocal network element that produces an input...

2006-08-15

2006-08-15

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical analog calculating computer

Particular function performed

Reexamination Certificate

active

07092981

ABSTRACT:
The Impedance Multiplication-Division Operators are made up of non-reciprocal network elements, each of which produces an input impedance that is related to the multiplication-division of its load impedances. The Impedance Multiplication-Division Operator can be implemented in a number of embodiments, such as the Positive Impedance Multiplication-Division Operator which produces a new non-reciprocal (n+1)-port, n≧4, network element which has the distinguishing property that if three 2-terminal impedances, Z2(s), Z3(s), and Z4(s) are connected at ports2, 3and4of a1PIMDOR2,43, the input impedance offered by this loaded 4-port at port1is Z(1)(s)=Z2−1(s)Z3(s)Z4−1(s).

REFERENCES:
patent: 3612780 (1971-10-01), Beurrier et al.
patent: 3644851 (1972-02-01), Daniels
patent: 5903198 (1999-05-01), Weiss
patent: 2004/0138866 (2004-07-01), Harjung

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