Waveguide—printed wiring board (PWB) interconnection
First Claim
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1. A radio frequency (RF) assembly for providing an RE signal path between first and second RF printed wiring boards (PWBs), the RF assembly comprising:
- a PWB frame having first and second opposing surfaces and having a portion of a waveguide formed therein, said waveguide portion having a first waveguide port at a first end thereof and having a second waveguide port at a second end thereof, said PWB frame configured to hold the first and second PWBs on the first surface thereof and to hold a third PWB on the second surface thereof such that when the third PWB is disposed on said PWB frame, the waveguide portion becomes a functional waveguide transmission line;
a first waveguide feed disposed on the first PWB, such that when said first PWB is disposed on the first side of said PWB frame, said first waveguide feed is coupled to a first one of the first and second waveguide ports; and
a second waveguide feed disposed on the second PWB such that when said second PWB is disposed on the first side of said PWB frame, said second waveguide feed coupled to a second one of the first and second waveguide ports.
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Abstract
An RF interconnection between RF Printed Wiring Boards (PWBs) includes a waveguide transmission line coupled between the RF PWBs. The waveguide feeds are provided as integral parts of each PWB. In one embodiment, the waveguide interconnecting the PWBs is provided as an integral part of a support structure which supports the PWBs. By providing the interconnecting waveguide and the feeds at each end of the waveguide as integral pieces of other already existing structures, a reliable, low cost RF interconnection between RF PWBs having relatively few separate pieces is provided.
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Citations
17 Claims
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1. A radio frequency (RF) assembly for providing an RE signal path between first and second RF printed wiring boards (PWBs), the RF assembly comprising:
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a PWB frame having first and second opposing surfaces and having a portion of a waveguide formed therein, said waveguide portion having a first waveguide port at a first end thereof and having a second waveguide port at a second end thereof, said PWB frame configured to hold the first and second PWBs on the first surface thereof and to hold a third PWB on the second surface thereof such that when the third PWB is disposed on said PWB frame, the waveguide portion becomes a functional waveguide transmission line; a first waveguide feed disposed on the first PWB, such that when said first PWB is disposed on the first side of said PWB frame, said first waveguide feed is coupled to a first one of the first and second waveguide ports; and a second waveguide feed disposed on the second PWB such that when said second PWB is disposed on the first side of said PWB frame, said second waveguide feed coupled to a second one of the first and second waveguide ports. - View Dependent Claims (2, 3, 4, 5)
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- 6. An RE assembly comprising a printed wiring board (PWB) frame having first and second opposing surfaces and having a wall projecting from the second surface of said PWB frame which forms a waveguide portion, said waveguide portion having a first waveguide port aperture exposed on the first surface of the PWB frame at a first end of said waveguide and having a second waveguide port aperture exposed on the first surface of the PWB frame at a second end of said waveguide wherein each of said waveguide ports are adapted for coupling to a feed circuit provided on one or more PWBs disposed on the first surface of said PWB frame and wherein said PWB frame is configured such that the waveguide portion becomes a functional waveguide transmission line when a PWB is disposed on the second surface of said PWB frame.
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9. A radio frequency (RE) assembly comprising:
a printed wiring board (PWB) frame having first and second opposing surfaces and a waveguide portion, said waveguide portion having a first waveguide port exposed on the first surface of the PWB frame at a first end of said waveguide portion and having a second waveguide port exposed on the first surface of the PWB frame at a second end of said waveguide portion wherein each of said waveguide ports are adapted for coupling to a feed circuit provided on a surface of one or more PWBs to be disposed on the first surface of said PWB frame and wherein said PWB frame is configured such that the waveguide portion is provided having an opening in a wall thereof, with the opening being exposed on the second surface of said PWB frame. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
Specification