Stripline to stripline coaxial transition

Details Stripline to stripline coaxial transition Stripline to stripline coaxial transition

1987-11-27

1989-03-28

Gensler, Paul

Wave transmission lines and networks

Coupling networks

With impedance matching

333238, 333260, H01P 502

Patent

active

048167916

ABSTRACT:
The invention relates to a transition between stripline transmission lines that is efficient at microwave frequencies and readily fabricated, and which may be used to achieve cross-overs in stipline circuits.
The transition includes a coaxial section placed between pads at the ends of the stripline conductors. The coaxial section is formed by a resilient center conductor surrounded by an incomplete circle of pins connected to the ground planes and forming the outer conductor. The connections to the pads enter the ends of the coaxial section at the azimuth of the gap in the circle of pins. Good high frequency performance despite the discontinuity between the pads and coaxial center conductor is achieved by increasing the characteristic impedance of the coaxial section and that of the stripline near the transition relative to the characteristic impedance of the stripline remote from the transition.

REFERENCES:
patent: 2938175 (1960-05-01), Sommers et al.
patent: 2983884 (1961-05-01), Rueger
patent: 3483489 (1969-12-01), Dietrich
patent: 3533023 (1970-10-01), Friend et al.
patent: 3757272 (1973-09-01), Laramee et al.
patent: 3895435 (1975-07-01), Turner et al.
patent: 4494083 (1985-01-01), Josetsson et al.

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