CN211826185U

CN211826185U - High-power biaser

Info

Publication number: CN211826185U
Application number: CN201922480882.7U
Authority: CN
Inventors: 戴林华; 张臻
Original assignee: SHANGHAI HUAXIANG COMPUTER COMMUNICATION ENGINEERING CO LTD
Current assignee: SHANGHAI HUAXIANG COMPUTER COMMUNICATION ENGINEERING CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a high-power biasing ware, it includes the cavity, be equipped with in the cavity: the radio frequency transmission group comprises a first inner conductor, a second inner conductor, a contact cap, a spring and a blocking capacitor, wherein the first inner conductor is connected with the second inner conductor, the blocking capacitor is fixed on the first inner conductor, and the spring and the contact cap are arranged in the second inner conductor; the direct current bias set comprises a first inductance coil, a second inductance coil, a third inductance coil, a fourth inductance coil, a first resistor, a second resistor, a third resistor, a discharge tube and a circuit board, wherein the first inductance coil is welded on the reverse side of the circuit board and is connected with the first inner conductor in a welding mode. The utility model discloses simple structure has improved power greatly, can satisfy high-power communication system and general test, measurement system's needs.

Description

High-power biaser

Technical Field

The utility model relates to a biasing device, concretely relates to high-power biasing device.

Background

The bias device belongs to a passive coaxial element, has the characteristics of broadband, low insertion loss and compact design, is suitable for a communication system and a general test and measurement system, and is mainly used for the application situation that DC current or voltage needs to be injected into a radio frequency circuit.

The existing biaser only meets the radio frequency work within 5W and has smaller power.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem to a high-power biaser is provided.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a high-power biasing ware, high-power biasing ware includes the cavity, both ends are equipped with first joint respectively about the cavity, cavity upside or downside are equipped with the second and connect, be equipped with in the cavity:

the radio frequency transmission group comprises a first inner conductor, a second inner conductor, a contact cap, a spring and a blocking capacitor, wherein one first joint is connected with the first inner conductor, the other first joint is connected with the second inner conductor, the first inner conductor is connected with the second inner conductor, the blocking capacitor is fixed on the first inner conductor, and the spring and the contact cap are arranged in the second inner conductor;

the direct current bias assembly comprises a first inductance coil, a second inductance coil, a third inductance coil, a fourth inductance coil, a first resistor, a second resistor, a third resistor, a discharge tube and a circuit board, wherein the second inductance coil, the third inductance coil, the fourth inductance coil, the first resistor, the second resistor, the third resistor and the discharge tube are respectively welded on the front side of the circuit board, the circuit board is fixed at the upper end of the cavity, and the first inductance coil is welded on the back side of the circuit board and is fixedly connected with the first inner conductor.

In a preferred embodiment of the present invention, the upper and lower ends of the chamber are respectively opened, and an upper cover plate and a lower cover plate are detachably provided at the opened portions, respectively.

In a preferred embodiment of the present invention, the first joint is an N-type joint.

In a preferred embodiment of the present invention, the second joint is an SMA type joint or an N type joint.

The utility model has the advantages that:

the utility model discloses simple structure has improved power greatly, can satisfy high-power communication system and general test, measurement system's needs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a side view of the internal structure of the present invention;

fig. 2 is a top view of the internal structure of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1 and 2, the present invention provides a high power bias device, which includes a cavity 100, two first connectors 200, a second connector 300, a radio frequency transmission set and a dc bias set.

The chamber 100 is opened at both upper and lower ends thereof, an upper cover plate 110 is detachably provided at the upper opening, and a lower cover plate 120 is detachably provided at the lower opening, thereby facilitating maintenance.

The upper cover plate 110 and the lower cover plate 120 may be fixed by means of screws.

The cavity 100 formed by the structure is convenient for installation and maintenance of the radio frequency transmission set and the direct current bias set.

The two first connectors 200 are respectively disposed at the left and right ends of the cavity 100, and are used for being coupled to the rf transmission assembly.

The first connector 200 may be an N-type connector.

The second connector 300 is disposed at an upper or lower side of the chamber 100 for connection with the dc offset set.

The second joint 300 may specifically be an SMA type joint or an N type joint.

And a radio frequency transmission group disposed in the cavity 100, which includes a first inner conductor 410, a second inner conductor 420, a contact cap 430, a spring 440, and a dc blocking capacitor 450.

One of the first terminals 200 is connected to the first inner conductor 410, the other first terminal 200 is connected to the second inner conductor 420, the first inner conductor 410 is connected to the second inner conductor 420, the dc blocking capacitor 450 is fixed to the first inner conductor 410, and the spring 440 and the contact cap 430 are disposed in the second inner conductor 420.

Through the structure, the radio frequency transmission set is of an integral structure, so that the radio frequency transmission set is convenient to install and replace, and the power is greatly improved by adopting the structure.

And a dc bias set disposed in the chamber 100, including a first inductor 510, a second inductor 520, a third inductor 530, a fourth inductor 540, a first resistor 550, a second resistor 560, a third resistor 570, a discharge tube 580, and a circuit board 590.

The second inductor 520, the third inductor 530, the fourth inductor 540, the first resistor 550, the second resistor 560, the third resistor 570 and the discharge tube 580 are respectively soldered on the front surface of the circuit board 590, the circuit board 590 is fixed on the upper end of the chamber 100, and the second connector 300 can be connected to the circuit board 590.

The first inductor 510 is soldered on the opposite side of the circuit board 590 and is fixedly connected to the first inner conductor 410, and the connection between the dc bias set and the rf transmission set can be realized by the connection between the first inductor 510 and the first inner conductor 410.

Through the arrangement of the structure, the direct current offset group is of an integral structure, so that the direct current offset group is convenient to install and replace.

On the wiring board 590, a first resistor 550, a second inductor 520, a second resistor 560, a third inductor 530, a third resistor 570, and a fourth inductor 540 are connected in series in this order.

In addition, the structure is very simple and the cost is reduced through reasonable arrangement of the components.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-power biaser, high-power biaser includes the cavity, both ends are equipped with first joint respectively about the cavity, cavity upside or downside are equipped with the second and connect, its characterized in that, be equipped with in the cavity:

2. The high power biaser of claim 1, wherein the chamber is open at the upper and lower ends, and wherein an upper cover plate and a lower cover plate are removably attached to the open ends.

3. The high power biaser of claim 1, wherein the first contact is an N-contact.

4. The high power biaser of claim 1, wherein the second joint is an SMA type joint or an N type joint.