Tunable amplitude unbalance stripline combiner

Details Tunable amplitude unbalance stripline combiner Tunable amplitude unbalance stripline combiner

2006-03-21

2006-03-21

Pascal, Robert J. (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S125000, C333S136000

Reexamination Certificate

active

07015772

ABSTRACT:
A tunable amplitude unbalance stripline combiner for RF signals in which the amplitude unbalance can be adjusted in order to minimize the amplitude unbalance.The combiner has an upper printed circuit board mounted over a lower printed circuit board. The lower printed circuit board has a pair of printed circuit lines that are connected between an output port and a pair of input ports. The upper printed circuit board has a metallized area covering the top surface. Several non-metallized cavities are located in the metallized area above the circuit lines. The number of cavities can be adjusted to change the amplitude unbalance.

REFERENCES:
patent: 3815055 (1974-06-01), Plunk et al.
patent: 5001492 (1991-03-01), Shapiro et al.
patent: 5021755 (1991-06-01), Gustafson
patent: 5909155 (1999-06-01), Anderson et al.
patent: 6624729 (2003-09-01), Wright et al.
patent: 6790049 (2004-09-01), Kaylie et al.

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