Integrated millimeter-wave transceiver

Details Integrated millimeter-wave transceiver Integrated millimeter-wave transceiver

1988-09-21

1990-01-09

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

343700MS, G01S 742

Patent

active

048931268

ABSTRACT:
An integrated millimeter-wave transceiver comprising a substrate on which is provided an annular slot antenna (D) and a balanced mixer (F). Transmitter power is applied to one point of the antenna and the balanced mixer (F) is coupled to a second point of the antenna, the second point being orthogonal to the one point in the plane of the antenna. The coupling of the balanced mixer to the second point is by way of a coplanar waveguide (C). A short circuit (H) in the coplanar waveguide (G) at a quarter wavelength from the mixer prevents an even (asymmetric) mode on the coplanar waveguide from being propagated to the antenna. An IF signal is derived using an RF band stop filter (I).

REFERENCES:
patent: 3665480 (1972-05-01), Fassett
patent: 3955194 (1976-05-01), Chua
patent: 4063246 (1977-12-01), Greiser
patent: 4251817 (1981-02-01), Kimura et al.
patent: 4259743 (1981-03-01), Kaneko et al.
patent: 4464663 (1984-08-01), Lalezari et al.
patent: 4728960 (1988-03-01), Lo
patent: 4737793 (1988-04-01), Munson et al.
patent: 4742354 (1988-05-01), Wen et al.

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