CN205160550U - Multiport testing arrangement - Google Patents
Multiport testing arrangement Download PDFInfo
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- CN205160550U CN205160550U CN201521011205.6U CN201521011205U CN205160550U CN 205160550 U CN205160550 U CN 205160550U CN 201521011205 U CN201521011205 U CN 201521011205U CN 205160550 U CN205160550 U CN 205160550U
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Abstract
The utility model provides a multiport testing arrangement contains parallel port end, switch matrix control circuit, radio frequency switch matrix, power module, port connector, parallel port end and switch matrix control circuit's input link to each other, switch matrix control circuit's output links to each other with radio frequency switch matrix's control end to the switch opening -closing that the controlling radio frequency switch matrix corresponds, radio frequency switch matrix constitute by a plurality of single -pole double throw's electron RF switch, radio frequency switch matrix's output, input correspond the connection port connector respectively, power module provide switch matrix control circuit and the required power consumption of radio frequency switch matrix. The utility model has the advantages of: expand vector network analyzer's port, improved the efficiency to the test of many RF port device, use CPLD does the control of electron RF switch, and is fast, and the synchronous output of all control signal can be realized to full parallel output, guarantees the synchronous handover of switch.
Description
Technical field
The utility model relates to field tests, is specifically related to high frequency testing apparatus field.
Background technology
Existing vector network analyzer or tester are generally 2 ports, test the transmission of multiple RF port devices, reflection characteristic, once can only the parameter of 2 ports of test component, the port of the device of other multiple RF ports that can not be connected with vector network analyzer port can only mate in loading, such test needs user repeatedly to convert test cable and terminating load between each port of measured device, until complete the test to all of the port parameter, test speed is slow, efficiency is low, the man power and material of test at substantial, be unfavorable for the needs that modernization is tested.
Application number be 201020504581 application discloses a kind of vector network analyzer time division multiplex extension port equipment, its control unit have employed the mode that MCU drives in conjunction with triode, required components and parts are more, and limit by MCU crystal oscillator frequency, control rate is slow, the synchronism switching of switch can not be ensured, in addition its Extended Capabilities Port negligible amounts.
Utility model content
The purpose of this utility model is that solution vector network analyzer test port is few, tests the problem of many RF port devices difficulty.
The utility model proposes a kind of multiport testing apparatus, comprise parallel port end, switch matrix control circuit, radio-frequency (RF) switch matrix, power module, port connector; Described parallel port end is connected with the input of switch matrix control circuit, and the output of switch matrix control circuit is connected with the control end of radio-frequency (RF) switch matrix, closes to control switch open corresponding to radio-frequency (RF) switch matrix; Described radio-frequency (RF) switch matrix is made up of the electronic radio-frequency switch of some single-pole double throws, and output, the input of radio-frequency (RF) switch matrix are connected respectively port connector; Described power module provides electricity consumption needed for switch matrix control circuit and radio-frequency (RF) switch matrix.
Further, described radio-frequency (RF) switch matrix comprises two groups 1 point 12 way switch matrixes and 12 groups 1 point 3 way switch matrixes; A wherein road of 3 branch roads of 1 point of 3 described way switch matrix connects with ground, and all the other two branch roads connect with a wherein road on the twelve earthly branches road of two groups 1 point 12 way switch matrixes respectively, and the road be branched is connected with port connector; The two-way be branched of two groups 1 point described 12 way switch matrixes is connected with port connector respectively.
Further, described switch matrix control circuit comprises CPLD, and described parallel port end is connected with the input of CPLD, and the output of CPLD is connected with the control end of radio-frequency (RF) switch matrix.
Further, also comprise port and connect indicator light, described port connects indicator light and is connected with the output of CPLD.
Further, also mains switch is comprised; Described mains switch is connected with the input of power module.
Further, described power module comprises the wide power module that compresses switch of 100 ~ 240V.
Further, the electronic radio-frequency switch of described single-pole double throw comprises HMC284.
Operation principle of the present utility model is: the instruction inputted by parallel port end communication sends to switch matrix control circuit, as CPLD, the control end of radio-frequency (RF) switch matrix is issued a signal to again by the output of switch matrix control circuit (as CPLD), control corresponding electronic radio-frequency switch open and closedown, thus be reached through the object of Parallel Interface Communication control port connection switching.
The beneficial effects of the utility model are:
(1) extend the port of vector network analyzer, improve the efficiency to the test of many RF port devices;
(2) use CPLD to do the control of electronic radio-frequency switch, speed is fast, and full parellel exports, and can realize all control signal synchronism output, ensures the synchronism switching of switch;
(3) each test port has independently port controlling to export, and can be used for controlling external expansion module, realize the Synchronization Control to external expansion module.
Accompanying drawing explanation
Accompanying drawing 1 is hardware block diagram of the present utility model.
Accompanying drawing 2 is radio frequency matrix switch connection layout.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
Embodiment 1
A kind of multiport testing apparatus, has parallel port end, mains switch, port connection indicator light, switch matrix control circuit, radio-frequency (RF) switch matrix, power module, port connector as shown in Figure 1; Described parallel port end is connected with the input of switch matrix control circuit, and the output of switch matrix control circuit is connected with the control end of radio-frequency (RF) switch matrix, closes to control switch open corresponding to radio-frequency (RF) switch matrix; Described radio-frequency (RF) switch matrix is made up of the electronic radio-frequency switch of some single-pole double throws, and output, the input of radio-frequency (RF) switch matrix are connected respectively port connector; Described port connects indicator light and is connected with the output of switch matrix control circuit; Described mains switch is connected with the input of power module; Described power module comprises the wide power module that compresses switch of 100 ~ 240V, provides switch matrix control circuit, radio-frequency (RF) switch matrix and port to connect electricity consumption needed for indicator light.
Radio-frequency (RF) switch matrix comprises two groups 1 point 12 way switch matrixes and 12 groups 1 point 3 way switch matrixes as shown in Figure 2; A wherein road of 3 branch roads of 1 point of 3 described way switch matrix connects with ground, and all the other two branch roads connect with a wherein road on the twelve earthly branches road of two groups 1 point 12 way switch matrixes respectively, and the road be branched is connected with port connector; The two-way that two groups 1 point described 12 way switch matrixes are branched is connected with port connector respectively.
Preferably, switch matrix control circuit comprises CPLD, and described parallel port end is connected with the input of CPLD, and the output of CPLD is connected with the control end of radio-frequency (RF) switch matrix.
Preferably, the electronic radio-frequency switch of described single-pole double throw comprises HMC284.
The operation principle of the present embodiment is: the instruction inputted by parallel port end communication sends to switch matrix control circuit, as CPLD, the control end (control end of each namely corresponding electronic radio-frequency switch) of radio-frequency (RF) switch matrix is issued a signal to again by switch matrix control circuit, control corresponding electronic radio-frequency switch open and closedown, thus be reached through the object of Parallel Interface Communication control port connection switching.
The beneficial effect of the present embodiment is:
(1) extend the port of vector network analyzer, improve the efficiency to the test of many RF port devices;
(2) use CPLD to do the control of electronic radio-frequency switch, speed is fast, and full parellel exports, and can realize all control signal synchronism output, ensures the synchronism switching of switch;
(3) each test port has independently port controlling to export, and can be used for controlling external expansion module, realize the Synchronization Control to external expansion module.
Above; be only the utility model preferably embodiment, but protection range of the present utility model is not limited thereto, all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. a multiport testing apparatus, is characterized in that: comprise parallel port end, switch matrix control circuit, radio-frequency (RF) switch matrix, power module, port connector; Described parallel port end is connected with the input of switch matrix control circuit, and the output of switch matrix control circuit is connected with the control end of radio-frequency (RF) switch matrix, closes to control switch open corresponding to radio-frequency (RF) switch matrix; Described radio-frequency (RF) switch matrix is made up of the electronic radio-frequency switch of some single-pole double throws, and output, the input of radio-frequency (RF) switch matrix are connected respectively port connector; Described power module provides electricity consumption needed for switch matrix control circuit and radio-frequency (RF) switch matrix.
2. a kind of multiport testing apparatus according to claim 1, is characterized in that: described radio-frequency (RF) switch matrix comprises two groups 1 point 12 way switch matrixes and 12 groups 1 point 3 way switch matrixes; A wherein road of 3 branch roads of 1 point of 3 described way switch matrix connects with ground, and all the other two branch roads connect with a wherein road on the twelve earthly branches road of two groups 1 point 12 way switch matrixes respectively, and the road be branched is connected with port connector; The two-way that two groups 1 point described 12 way switch matrixes are branched is connected with port connector respectively.
3. a kind of multiport testing apparatus according to claim 1 and 2, it is characterized in that: described switch matrix control circuit comprises CPLD, described parallel port end is connected with the input of CPLD, and the output of CPLD is connected with the control end of radio-frequency (RF) switch matrix.
4. a kind of multiport testing apparatus according to claim 1 and 2, is characterized in that: also comprise port and connect indicator light, described port connects indicator light and is connected with the output of CPLD.
5. a kind of multiport testing apparatus according to claim 1 and 2, is characterized in that: also comprise mains switch; Described mains switch is connected with the input of power module.
6. a kind of multiport testing apparatus according to claim 1 and 2, is characterized in that: described power module comprises the wide power module that compresses switch of 100 ~ 240V.
7. a kind of multiport testing apparatus according to claim 1 and 2, is characterized in that: the electronic radio-frequency switch of described single-pole double throw comprises HMC284.
8. a kind of multiport testing apparatus according to claim 4, is characterized in that: also comprise mains switch; Described mains switch is connected with the input of power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011205.6U CN205160550U (en) | 2015-12-08 | 2015-12-08 | Multiport testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521011205.6U CN205160550U (en) | 2015-12-08 | 2015-12-08 | Multiport testing arrangement |
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| Publication Number | Publication Date |
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| CN205160550U true CN205160550U (en) | 2016-04-13 |
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| CN201521011205.6U Active CN205160550U (en) | 2015-12-08 | 2015-12-08 | Multiport testing arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443093A (en) * | 2016-09-13 | 2017-02-22 | 深圳市迈特通信设备有限公司 | Matrix switcher based testing instrument multiplexing device |
| CN106771554A (en) * | 2016-12-13 | 2017-05-31 | 深圳市威通科技有限公司 | Multiport microwave device test system and method |
| CN108351375A (en) * | 2017-08-24 | 2018-07-31 | 深圳欣锐科技股份有限公司 | A kind of detection method and device of three-phase phase sequence |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110311738A (en) * | 2019-07-30 | 2019-10-08 | 京信通信系统（中国）有限公司 | Radio frequency switch device and system |
| CN111157804A (en) * | 2019-12-31 | 2020-05-15 | 京信通信技术(广州)有限公司 | Radio frequency switch module and antenna test system |
-
2015
- 2015-12-08 CN CN201521011205.6U patent/CN205160550U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443093A (en) * | 2016-09-13 | 2017-02-22 | 深圳市迈特通信设备有限公司 | Matrix switcher based testing instrument multiplexing device |
| CN106771554A (en) * | 2016-12-13 | 2017-05-31 | 深圳市威通科技有限公司 | Multiport microwave device test system and method |
| CN108351375A (en) * | 2017-08-24 | 2018-07-31 | 深圳欣锐科技股份有限公司 | A kind of detection method and device of three-phase phase sequence |
| CN110261687A (en) * | 2019-06-19 | 2019-09-20 | 华南理工大学 | Large scale array antenna measurement system, method, apparatus and storage medium |
| CN110311738A (en) * | 2019-07-30 | 2019-10-08 | 京信通信系统（中国）有限公司 | Radio frequency switch device and system |
| CN110311738B (en) * | 2019-07-30 | 2024-05-24 | 京信网络系统股份有限公司 | Radio frequency switching device and system |
| CN111157804A (en) * | 2019-12-31 | 2020-05-15 | 京信通信技术(广州)有限公司 | Radio frequency switch module and antenna test system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610041 Chengdu hi tech Zone, Sichuan Province, No. 14-16 Patentee after: Chengdu Tian DA Instrument Limited by Share Ltd Address before: 610041 Chengdu hi tech Zone, Sichuan Province, No. 14-16 Patentee before: CHENGDU TIANDA INSTRUMENT EQUIPMENT CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |