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A technique is described whereby stripline connectors are fabricated so as to minimize electrical discontinuity, as applied to printed circuit technology.
English (United States)
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Stripline Connector Fabrication Process to Minimize Electrical
A technique is described whereby stripline connectors are fabricated so as to
minimize electrical discontinuity, as applied to printed circuit technology.
With the advent of faster electrical circuits which require increasing pulse rise
times, the elements of electrical discontinuity of printed circuitry can affect total
performance of the system. The concept described herein concentrates on the
ability to match the impedance between the stripline structure of a printed circuit
substrate, utilizing thin or thick film technology, in the construction of the coax
interconnections to the stripline.
Mechanical holder 10, as shown in Fig. 1, is designed to hold bundles of coax
cables 11, enabling the individual coax wiring to enter the holes provided.
Second holder 12 has a matching expansion coefficient and the same hole
pattern as holder 10. The reverse side of holder 12 contains the interconnection
structure between the ends of the coax cables and the stripline elements of the
printed circuit board or card. Fig. 2a illustrates the cross-section of the coax
connections to the stripline, while Fig. 2b shows the exploded view of the
connection utilizing the coax to stripline connectors. The concept concentrates
on the area of interconnection at holder 12 and stripline structure 13, since the
coax is connected to both elements. The space between coax cables 11 is filled
with a m...