Splitter with a printed element

Details Splitter with a printed element Splitter with a printed element

2011-07-19

2011-07-19

Pascal, Robert (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S124000, C333S129000

Reexamination Certificate

active

07982556

ABSTRACT:
According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and third printed branch distribute a received communication signal to respective outputs having substantially the same phase, frequency, and impedance. Each printed branch includes a number of substantially ninety-degree angles. In one embodiment, the printed branches are quarter wavelength transmission lines in a frequency range of 1.5 GHz. In one embodiment, the three-way splitter consumes less than one square inch of surface area on a printed circuit board, and can be used in a satellite receiving system, for example. In this embodiment, the three-way splitter is utilized for frequencies in the range of approximately 900 MHz to 2.2 GHz.

REFERENCES:
patent: 4129839 (1978-12-01), Galani et al.
patent: 4356462 (1982-10-01), Bowman
patent: 4556856 (1985-12-01), Presser
patent: 5021755 (1991-06-01), Gustafson
patent: 6037845 (2000-03-01), Parker

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