CN210201833U

CN210201833U - Expansion device for radio frequency test port

Info

Publication number: CN210201833U
Application number: CN201921440088.3U
Authority: CN
Inventors: Bing Zheng; 郑兵; Guohui Zhang; 张国辉; Ning Huang; 黄宁; Zhenhua Chen; 陈振华; Linjun Shen; 沈林军; Haiying Jiang; 蒋海英
Original assignee: Amphenol Yongyi (haiyan) Communication Electronics Co Ltd
Current assignee: Amphenol Yongyi (haiyan) Communication Electronics Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-03-27
Anticipated expiration: 2029-08-30

Abstract

The utility model provides an extension arrangement of radio frequency test port, including a plurality of port expansion module group, should state port expansion module group and include: the system comprises a radio frequency input port, a switch module, a switch action triggering module and a radio frequency output port group; the radio frequency input port is connected with the switch module; the switch action triggering module is connected with the switch module; the switch module is connected with the radio frequency output port group. The radio frequency output port group comprises N radio frequency output ports, and N is greater than or equal to 1. The switch module is a single-pole N-throw switch, which corresponds to an input point and N output points, the switch is switched among the N output points, and the N output points are correspondingly connected with N radio frequency output ports. The utility model provides a new design idea replaces mechanical switch with electronic radio frequency switch, practices thrift the cost greatly, improves the life of switch.

Description

Expansion device for radio frequency test port

Technical Field

The utility model belongs to the technical field of the radio frequency microwave test, concretely relates to extension device of radio frequency test port.

Background

In the current radio frequency test of the mobile terminal, a 4-interface test instrument is generally used, in order to meet the test requirements of 5G antenna products, the number of antennas is increased, the number of test ports is increased, and at most 4 output ports of the current network analyzer (such as agilent E5071C) are required to be expanded. The ports are expanded by adding a selector switch in the market, the switch is switched by software, most of the switches are mechanical switches, and the mechanical switches are characterized by short service life, low insertion loss and high cost.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing an extension fixture of radio frequency test port.

An expansion device for a radio frequency test port, comprising a plurality of port expansion module sets, wherein the port expansion module sets comprise:

the system comprises a radio frequency input port, a switch module, a switch action triggering module and a radio frequency output port group;

the radio frequency input port is connected with the switch module;

the switch action triggering module is connected with the switch module; the switch module is connected with the radio frequency output port group.

Optionally, the radio frequency output port group includes N radio frequency output ports, where N is greater than or equal to 1.

Optionally, the switch module is a single-pole N-throw switch, which corresponds to one input point and N output points, and the switch switches between the N output points; and the N output points are correspondingly connected with N radio frequency output ports.

Optionally, the port expansion module group further includes a trigger signal sending module, and the trigger signal sending module is connected to the switch action trigger module.

Optionally, the system further comprises a power supply module, and the power supply module is respectively connected with the switch modules of the plurality of port expansion module groups.

Optionally, the radio frequency input port is connected to an output interface of the network analyzer.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a new design idea replaces mechanical switch with electronic radio frequency switch, practices thrift the cost greatly, improves the life of switch.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the connection of a single port expansion module set according to an embodiment of the present invention;

fig. 2 is a schematic connection diagram of a switch module according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Referring to fig. 1, an expansion apparatus for a radio frequency test port includes a power supply module and a plurality of port expansion module sets, where the port expansion module set includes:

the system comprises a radio frequency input port, a switch module, a switch action trigger module, a radio frequency output port group and a trigger signal sending module;

the radio frequency input port is connected with the switch module;

The radio frequency output port group comprises N radio frequency output ports, and N is greater than or equal to 1.

The switch module is a single-pole N-throw switch, corresponds to one input point and N output points, and is switched among the N output points; and the N output points are correspondingly connected with N radio frequency output ports.

The trigger signal sending module is connected with the switch action triggering module.

And the power supply module is respectively connected with the switch modules of the port expansion module groups.

The radio frequency input port is connected with an output interface of the network analyzer; and the radio frequency output port transmits the output signal of the network analyzer to other corresponding equipment according to the requirement.

The radio frequency input port is connected with an output interface of the network division instrument and used for accessing an output signal of the network division instrument; the switch module is used for switching control and is used for expanding the output signal of the network analyzer to the radio frequency output port in a switching loop mode; and the radio frequency output port transmits the output signal of the network analyzer to other corresponding equipment according to the requirement. For example, if the other equipment is a test tool, the radio frequency output port is connected with the tool, and the data of the network analyzer is read from the radio frequency output port through the upper computer for judgment; the power supply module supplies power to all the switch modules.

The switch action triggering module is used for triggering development action and determining the output point of the single-pole N-throw switch. It may be triggered manually or by software.

The trigger signal sending module can send out a trigger signal manually or by software to trigger the action of the switch.

The manual mode means that a key can be correspondingly arranged at each output point of the switch module, and when a certain key is manually pressed, the switch is closed at the output point corresponding to the key. The trigger signal of the trigger signal sending module is sent manually.

The software mode means that the switch action trigger module receives an external trigger signal to trigger the change-over switch module to automatically change over. The trigger signal of the trigger signal sending module is given to the trigger signal through software.

As shown in fig. 2, in this embodiment, the expansion device of the radio frequency test port is provided with four port expansion module groups, wherein each radio frequency input port is correspondingly provided with two radio frequency output ports; the switch module is a single-pole double-throw switch, which corresponds to an input point 1 and two output points 3, and the switch 2 is switched between the two output points; the two output points are correspondingly connected with two radio frequency output ports.

The device comprises a switch module, a radio frequency signal input port, a radio frequency output port and a radio frequency signal output port, wherein the switch module is used for supplying power to the switch module, the radio frequency signal is input from the network analyzer through the radio frequency input port and then enters the selected radio frequency output port through the switch module, and the radio frequency output port corresponds to the output port of the network analyzer for output. The upper computer reads the data of each radio frequency output port through a network analysis instrument and judges the data.

The selection of the output point of the switch module can be manually selected, or a trigger signal sending module sends a trigger signal to control the switching action of the switch module.

In this embodiment, the above-mentioned apparatus may be integrated into a box for use, and a radio frequency input port, a radio frequency output port, and a manual switch may be provided on a panel of the box. The manual change-over switch can be matched with a manual change-over indicator light, and the manual change-over indicator light can be used or not used according to requirements. This is merely an example, and the present invention is not limited thereto.

In this embodiment, a single-pole double-throw rf switch is used, one port is switched and expanded to 2 ports in a time-sharing manner, and a single-pole double-throw rf switch can be actually used, such as a single-pole 3-throw, 4-throw, 5-throw, 6-throw, 7-throw, 8-throw, etc., and the number of output ports is not limited;

in this embodiment, the input port is 4 ports, but is not limited to 4 ports, the design and arrangement of the switch can be modified, one port is directly expanded into a plurality of ports, and the number of the expanded ports is not limited;

in this embodiment, the output ports are 8 ports, but are not limited to 8 ports, and the number of the expanded ports is not limited.

In this embodiment, the outside box uses the metal sheet metal box, can use other boxes of any form as required.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. An expansion device for a radio frequency test port, comprising a plurality of port expansion module sets, wherein the port expansion module sets comprise:

the radio frequency input port is connected with the switch module;

2. The expansion device of claim 1, wherein the set of radio frequency output ports includes N radio frequency output ports, N being equal to or greater than 1.

3. The apparatus of claim 2, wherein the switch module is a single-pole, N-throw switch corresponding to one input point, N output points, the switch switching between the N output points;

and the N output points are correspondingly connected with N radio frequency output ports.

4. The apparatus of claim 1, wherein the port expansion module set further comprises a trigger signal issuing module, and the trigger signal issuing module is connected to the switch action triggering module.

5. The apparatus of claim 1, further comprising a power supply module, wherein the power supply module is connected to the switch modules of the port expansion module groups, respectively.

6. The apparatus of claim 1, wherein the radio frequency input port is connected to an output interface of a network analyzer.