Symmetrical polyphase network

Details Symmetrical polyphase network Symmetrical polyphase network

2006-07-18

2006-07-18

Ham, Seungsook (Department: 2817)

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

C333S168000

Reexamination Certificate

active

07078986

ABSTRACT:
First, second, third, and fourth resistors are coupled to first, second, third, and fourth capacitors. A first positive in-phase terminal is coupled to the first resistor and the first capacitor. A first negative in-phase terminal is coupled to the fourth resistor and the fourth capacitor. A positive quadrature-phase terminal is coupled to the second resistor and the first capacitor. A second positive in-phase terminal is coupled to the first resistor and the second capacitor. A second negative in-phase terminal is coupled to the fourth resistor and the third capacitor. A negative quadrature-phase terminal is coupled to the third resistor and the fourth capacitor. The first and fourth resistors, the second and third resistors, the first and fourth capacitors, and the second and third capacitors are equal distances from and on a same side of respective axes, and are equal distances from and on opposite sides of a symmetry axis.

REFERENCES:
patent: 3559042 (1971-01-01), Gingell
patent: 4326109 (1982-04-01), McGee et al.
patent: 4618831 (1986-10-01), Egami et al.
patent: 5280292 (1994-01-01), Tondryk
patent: 6388543 (2002-05-01), Molnar et al.

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