SU1241316A1 - Waveguide-coplanar junction - Google Patents

Abstract

The invention relates to a microwave technique. The insertion loss and size are reduced. The device contains a segment of a rectangular waveguide (OPV) 1 segment of a coplanar line (OPL) 2 with current carrying and grounding conductors 4 and 5, placed on a dielectric substrate 3, and a metal plate (MP) 6 with a slot 7. Between the grounding conductors 5 and 6 MP are made gaps 8 and 9, which have different angles of expansion and gradually increase in the direction of the beginning 10 OPV 1. MP 6, located perpendicular to the electric-power lines of the field of the wave H, Q, provides. Signal on two channels equally, in which wave type H, smoothly into a slit line wave. Due to the different angles of expansion of the gaps 8 and 9, the phase shift of the SO between the signals in each of the isl lines is achieved. This ensures the required structure of the electric field when switching to OKL 2, Equality of the width of the current-carrying conductor 4 OKL. 2 thick-gne MP 6 provides coordination at the place of their connection. The goal is achieved by the introduction of MP 6.1 Il., § shl. OO

Description

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The invention relates to a microwave technique and can be used in the construction of miniature devices and path elements.

The purpose of the invention is to reduce the insertion loss and size.

The drawing shows the structure of a waveguide coplanar junction.

The wave-coplanar transition contains the top. Zok, rectangular waveguide and segment .2. of the coplanar line, placed on the dielectric substrate 3, the current-carrying and electrician conductors 4 and 5 of which are connected to segment 1 of the direct waveguide. In the plane of the longitudinal symmetry of segment 1 — the mongular waveguide, there is a metal plate 6 fixed in its narrow walls, and a dielectric 3 is placed perpendicular to it between the middle of the wide, wall ejection of a rectangular waveguide and its part passes through a groove 7 made in a metal plate 6. In this case, the grounding conductors 5 of the length 2 of the coplanar line are connected to the wide walls of the length 1 of the rectangular waveguide, and the gaps 8 and 9 between the grounding conductors 5 and the metal face Section 6 smoothly increases in the direction of the beginning of 10. The 1-cut-off of the rectangular line is different and the current-carrying conductor 4 of the 2-section of the coplanar ini is connected to the rthallic plate 5 and its width W is equal to the thickness of the metal plate 6.

Wave-coplanar transition works as follows.

The microwave signal in the form of a type H wave, p arrives at the beginning of 10 segment 1 of a rectangular waveguide. The metal plate 6, located perpendicularly to the electric power of the H-field line, provides for the separation of the SBCh-signal into two channels equally. In each of the channels formed by the walls of segment 1 of a rectangular waveguide and a metal plate 6, the type H wave (

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NIN, circumscribed by one of the grounding conductors 5 of the leg 2 of the coplanar line and the metal plate 6.

Due to the different angles of gaps S and 9, a phase shift of 180 ° is achieved. Interlaced signals in each of the slot lines provide the required structure

floor when moving to segment 2 of coplanar line. The equality of the width W of the current-carrying conductor 4 of the length 2 of the coplanar line to the thickness h of the metal plate 6 ensures coordination at the place of their connection.

Claims (1)

Invention Formula The wave-coplan arp junction, containing a segment of a rectangular waveguide and a segment of a coplanar line, located on the dialectical-. This substrate, the current-carrying and grounding conductors of which are connected to a segment of a rectangular waveguide, characterized in that. that in order to reduce losses and size reduction, a metal plate is additionally introduced into it, located in the plane of the longitudinal symmetry of a rectangular waveguide segment, 35 fortified on its narrow walls, and A dielectric substrate is placed perpendicularly to it between the midpoints of the narrow walls of the straight-angled section of B1 :), 1 of the water and its part passes through the groove, made in a metal plate, while grounded. wired 1: The keys of the coplanar line segment are connected to the wide walls of the rectangular waveguide segment, moreover, the gaps between the ground ush 1mi the conductors and the metal plate gradually increase in the direction of the beginning of the segment of the rectangular Eisen-Ea and are different, and the current-carrying 50 The conductor of the segment of the coplanar line is connected to the metallic plate and its width is equal to its thickness.