CN203491373U

CN203491373U - Novel coplanar suspending line balun

Info

Publication number: CN203491373U
Application number: CN201320568815.0U
Authority: CN
Inventors: 熊世建
Original assignee: CHENGDU GOLDSKY MICROWAVE TECHNOLOGY Co Ltd
Current assignee: CHENGDU GOLDSKY MICROWAVE TECHNOLOGY Co Ltd
Priority date: 2013-09-13
Filing date: 2013-09-13
Publication date: 2014-03-19
Anticipated expiration: 2023-09-13

Abstract

The utility model discloses a novel coplanar suspending line balun; the top and bottom surfaces of a medium substrate (2) are respectively provided with an upper metal conduction band (3) and a lower metal conduction band (4); one end of the lower metal conduction band (4) is grounded, and the other end of the lower metal conduction band (4) is provided with a balance port a (5); two ends of the upper metal conduction band (3) are respectively provided with an unbalance port c (6) and a balance port b (7); a balance port a (5) locating plane A is parallel to a balance port b (7) locating plane B, and both planes are vertical to the medium substrate (2) on the balance ports; an unbalance port c (6) locating plane C is parallel with the medium substrate (2), and the two balance ports are welded and fixed on the plane C through connecting points. Balance ends of the suspending line balun is rotated by 90 degrees; the top and bottom balance ends are in a coplanar design so as to conveniently connect other elements in a circuit, and application is wide; the medium substrate is soft and thin, and is easy to be twisted in moulding.

Description

A kind of Novel coplanar suspended substrate stripline Ba Lun

Technical field

The utility model relates to a kind of Ba Lun, particularly relates to a kind of Novel coplanar suspended substrate stripline Ba Lun.

Background technology

Ba Lun also claims balanced to unbalanced transformer, it is the critical component of microwave balanced mixer, frequency multiplier, push-pull amplifier and antenna feeding network isoequilibrium circuit layout, can be described as a key technology of WLAN RF front end circuit design, directly affect the Performance and quality of radio communication.

Existing suspended substrate stripline barron structure as shown in Figure 4, comprise metal shielding box and dielectric substrate, pleasing both parties of dielectric substrate etches the metal tape of certain width, and lower metal tape left end ground connection, so the left side is uneven port, and upper and lower two ends, the right are balance ports, but two balance ports are not coplanar, because the balance ports at upper and lower two ends, the right is not coplanar, when reality is used, inconvenience is connected with other elements, has a lot of limitation in circuit application.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and be widely used, can realize that balance end is coplanar, moulding is easy to Novel coplanar suspended substrate stripline Ba Lun.

The purpose of this utility model is achieved through the following technical solutions: a kind of Novel coplanar suspended substrate stripline Ba Lun, it comprises metal shielding box and soft and thin dielectric substrate, dielectric substrate is set up in metal shielding box, the upper and lower surface of dielectric substrate is respectively equipped with metal conduction band and lower metal conduction band, lower metal conduction band one end ground connection, the other end is provided with balance ports a, upper metal conduction band two ends are respectively equipped with uneven port c and balance ports b, balance ports a is by tie point A outconnector, balance ports b is by tie point B outconnector, tie point A and tie point B are coplanar, and be all positioned on plane C.

Uneven port c is positioned on plane C, plane C is parallel with dielectric substrate, balance ports a place plane A is parallel with balance ports b place plane B, plane A is vertical with plane C at balance ports a place, plane B is vertical with plane C at balance ports b place, forms the transition metal band of rotation between uneven port c and balance ports a.

On plane A and plane B, be provided with respectively tie point a and tie point b, tie point a is connected with tie point B with tie point A by welding respectively with tie point b, is fixed on plane C.

The beneficial effects of the utility model are: the balance end of suspended substrate stripline Ba Lun is turned round and turn 90 degrees, make the plane at two balance end places vertical with the plane at imbalance end place respectively, realize the co-planar designs of two balance end of suspended substrate stripline Ba Lun, be convenient to be connected with other elements in circuit, be widely used; The dielectric substrate of suspended substrate stripline Ba Lun is soft and thin, is convenient to twisting formation.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the A partial schematic diagram of Fig. 1;

Fig. 3 is that dielectric substrate is along the structural representation of direction shown in B;

Fig. 4 is the structural representation of existing suspended substrate stripline Ba Lun;

In figure, 1-metal shielding box, 2-dielectric substrate, the upper metal conduction band of 3-, metal conduction band under 4-, 5-balance ports a, the uneven port c of 6-, 7-balance ports b, 8-connecting line, 9-transition metal band, 10-tie point a, 11-tie point b, 12-tie point A, 13-tie point B.

Embodiment

Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of Novel coplanar suspended substrate stripline Ba Lun, it comprises metal shielding box 1 and soft and thin dielectric substrate 2, and dielectric substrate 2 is set up in metal shielding box 1, and the upper and lower surface of dielectric substrate 2 is respectively equipped with metal conduction band 3 and lower metal conduction band 4.

Lower metal conduction band 4 one end ground connection, the other end is provided with balance ports a5, the two ends of upper metal conduction band 3 are respectively equipped with uneven port c6 and balance ports b7, balance ports a5 is by tie point A12 outconnector 8, balance ports b7 is by tie point B13 outconnector 8, tie point A12 and tie point B13 are coplanar, and are all positioned on plane C.

Uneven port c6 is positioned on plane c, plane c is parallel with dielectric substrate 2, and with dielectric substrate 2 upper surfaces be same plane, the earth terminal of lower metal conduction band 4 is also parallel with dielectric substrate 2, the plane A at balance ports a5 place is parallel with the plane B at balance ports b7 place, plane A is vertical with plane C at balance ports a5 place, and plane B is vertical with plane C at balance ports b7 place, forms the transition metal band 9 of rotation between uneven port c6 and balance ports a5.

On plane A and plane B, be provided with respectively tie point a10 and tie point b11, tie point a10 is connected with tie point B13 with tie point A12 by welding respectively with tie point b11, is fixed on plane C.

The utility model reverses 90 ° the balance end of suspended substrate stripline Ba Lun, make the plane at two balance end places vertical with the plane at imbalance end place respectively at two balance ports places, the middle transition metal band 9 that forms, by welding, two balance ports are fixedly connected with plane C, realize the coplanar of two balance end of suspended substrate stripline Ba Lun, for the ease of the twisting formation of balance end, use soft and thin suspended substrate stripline dielectric substrate 2.

Claims

1. a Novel coplanar suspended substrate stripline Ba Lun, it comprises metal shielding box (1) and dielectric substrate (2), dielectric substrate (2) is set up in metal shielding box (1), it is characterized in that: the upper and lower surface of dielectric substrate (2) is respectively equipped with metal conduction band (3) and lower metal conduction band (4), lower metal conduction band (4) one end ground connection, the other end is provided with balance ports a(5), upper metal conduction band (3) two ends are respectively equipped with uneven port c(6) and balance ports b(7), balance ports a(5) by tie point A(12) outconnector (8), balance ports b(7) by tie point B(13) outconnector (8), tie point A(12) and tie point B(13) coplanar, and be all positioned on plane C,

Uneven port c(6) be positioned on plane c, plane c is parallel with dielectric substrate (2), balance ports a(5) the plane A at place and balance ports b(7) the plane B at place is parallel, plane A is at balance ports a(5) locate vertical with plane C, plane B is at balance ports b(7) locate vertical with plane C, at uneven port c(6) and balance ports a(5) between form the transition metal band (9) of rotation;

On plane A and plane B, be provided with respectively tie point a(10) and tie point b(11), tie point a(10) with tie point b(11) respectively by welding and tie point A(12) with tie point B(13) be connected, be fixed on plane C.