Transition from a coaxial transmission line to a printed circuit transmission line
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United States of America Patent
Stats
-
Jan 11, 2005
Grant Date -
Sep 11, 2003
app pub date -
Mar 7, 2002
filing date -
Mar 7, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transition piece for coupling a coaxial transmission line to a printed circuit (PC) transmission line. The transmission line terminates in a conductive pin projecting through a conductive coaxial ground plane. The transition piece consists of a conductive plate which is adapted to be fixed between the coaxial ground plane and a PC ground plane of the PC transmission line. The plate is in electrical contact with both the coaxial and PC ground planes while the conductive pin contacts a conductive strip of the PC transmission line. Furthermore, the plate has an arcuate opening which is shaped and aligned with the pin so that a transition-impedance of the transition piece is substantially equal to a line impedance of the coaxial and PC transmission lines.
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