Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1996-07-31
1997-09-16
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333131, H01P 512
Patent
active
056685106
ABSTRACT:
A wide band (20 MHz to 2 GHz) four way RF power splitter/combiner is fabricated from four lengths of hard line mounted on a printed circuit board. Slots in the board allow for ferrite sleeves, and allow the hard line to be mounted right next to the surface(s) of the board. The pieces of hard line do not cross each other, and do not pass from one side of the board to the other. Two of the pieces are on one side of the board, while the other two are on the other. Within one pair the two pieces of hard line lie essentially along a straight line. Within the other pair the two pieces are offset, parallel and overlap slightly. All four pieces are parallel. Of the four pieces, one pair may be preformed to be two identical parts; the other pair may be also, although one pair may have a longer portion of center conductor extending beyond a 90.degree. bend. All four pieces of hard line are straight (i.e., their outer shields are straight, and are not bent).
REFERENCES:
patent: 5006822 (1991-04-01), Reddy
patent: 5237295 (1993-08-01), Reddick et al.
Gensler Paul
Hewlett--Packard Company
Miller Edward L.
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