CN206472135U - A kind of full frequency band digital microwave integrated test system - Google Patents

A kind of full frequency band digital microwave integrated test system Download PDF

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Publication number
CN206472135U
CN206472135U CN201720055899.6U CN201720055899U CN206472135U CN 206472135 U CN206472135 U CN 206472135U CN 201720055899 U CN201720055899 U CN 201720055899U CN 206472135 U CN206472135 U CN 206472135U
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China
Prior art keywords
switch
port
digital microwave
cpu
frequency
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Expired - Fee Related
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CN201720055899.6U
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Chinese (zh)
Inventor
周海华
谢伦波
雷力
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Wuhan Fingu Electronic Technology Co Ltd
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Wuhan Fingu Electronic Technology Co Ltd
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Priority to CN201720055899.6U priority Critical patent/CN206472135U/en
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Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of full frequency band digital microwave integrated test system, and it includes programmable power supply, the blocking flow module sum word microwave transceiver being sequentially connected;The voltage output end of digital microwave transceiver is connected with voltage tester unit, and it also includes switch arrays, switch controller and CPU;The prevention at radio-frequency port of the IF input terminal of described blocking flow module and digital microwave transceiver is connected by switch arrays with frequency spectrograph, power meter and signal source respectively;Programmable power supply, blocking flow module, voltage tester unit, frequency spectrograph, power meter and signal source are connected with CPU respectively, and CPU is also connected by switch controller with described switch arrays;Described switch arrays are made up of several frequency microwave switch combinations.The utility model merges the transmitting-receiving test of digital microwave transceiver to be carried out in a station, is released a set of instrument resource, is improved testing efficiency, reduce manual operation intervention, also discharges part man power and material.

Description

A kind of full frequency band digital microwave integrated test system
Technical field
The utility model belongs to digital microwave product test field, and in particular to a kind of full frequency band digital microwave integration testing System.
Background technology
At present, the calibration and test of digital microwave product use separate type, i.e., transmitting and reception be required to it is separated test and Calibration, then need two stations, two sets of instrument resources, testing efficiency is relatively low.
Utility model content
The technical problems to be solved in the utility model is:A kind of full frequency band digital microwave integrated test system is provided, will be sent out The test and calibration penetrated and received are integrated, and improve testing efficiency.
The utility model is that the technical scheme that solution above-mentioned technical problem is taken is:A kind of full frequency band digital microwave is integrated Test system, it includes programmable power supply, the blocking flow module sum word microwave transceiver being sequentially connected;Digital microwave transceiver Voltage output end is connected with voltage tester unit, it is characterised in that:
It also includes switch arrays, switch controller and CPU;The IF input terminal and numeral of described blocking flow module are micro- The prevention at radio-frequency port of ripple transceiver is connected by switch arrays with frequency spectrograph, power meter and signal source respectively;Programmable power supply, stopping direct current Module, voltage tester unit, frequency spectrograph, power meter and signal source are connected with CPU respectively, and CPU also passes through switch controller and institute The switch arrays connection stated;Described switch arrays are made up of several frequency microwave switch combinations.
By such scheme, described switch arrays include structure identical first switch, second switch, third switch, the Four switches and the 5th switch;Each switch is equipped with first port, second port, common port and control end, the control each switched End processed is connected with described switch controller;
The common port of first switch is connected with the IF input terminal of described blocking flow module, the first port of first switch It is connected with the second port of second switch, the second port that the second port the 5th of first switch is switched is connected;
The common port of second switch is connected with described frequency spectrograph, the first port of second switch and the first of the 4th switch Port is connected;
The common port of 3rd switch is connected with the prevention at radio-frequency port of described digital microwave transceiver, the first end of the 3rd switch Mouth is connected with described power meter, and the second port of the 3rd switch is connected with the common port of the 4th switch;
The second port of 4th switch is connected with the first port of the 5th switch;
The common port of 5th switch is connected with described signal source.
By such scheme, described blocking flow module and voltage tester unit are connected by RS232 with described CPU respectively Connect.
By such scheme, described programmable power supply, frequency spectrograph, switch controller, signal source and power meter passes through net respectively Line is connected with hub, and hub is connected with described CPU by netting twine.
By such scheme, the system also includes display and input, and host computer is constituted together with described CPU.
The beneficial effects of the utility model are:
1st, by using switch arrays, and by the logical relation of CPU controlling switch arrays, so that by digital microwave transceiver Transmitting-receiving test merge and carried out in station, compare original digital microwave systems product and receive and be divided into 2 with transmitting test Station, releases a set of instrument resource, reduces the high-end instrument buying needs of reduction.Meanwhile, transmitting and the merging received are unified The test platform of change, improves testing efficiency, reduces testing station, reduces manual operation intervention, also discharge part manpower and Material resources.
2nd, further provide switchs the switch arrays constituted by five, and connected mode is simple, and it is easy to realize.
3rd, by the way that instrument composition LAN is tested, signal stabilization is reliable, and connected mode is simple.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Fig. 2 is the circuit theory diagrams of the embodiment of the utility model one.
In figure:1- programmable power supplys, 2- blocking flow modules, 3- digital microwave transceivers, 4- voltage tester units, 5- switch controls Device processed, 6- signal sources, 7- power meters, 8- frequency spectrographs, 9- first switches, 10- second switches, 11- the 3rd is switched, and 12- the 4th is opened Close, 13- the 5th is switched, 14- host computers, 15- hubs.
Embodiment
The utility model is described further with reference to instantiation and accompanying drawing.
The utility model provides a kind of full frequency band digital microwave integrated test system, as shown in figure 1, it includes being sequentially connected Programmable power supply, blocking flow module sum word microwave transceiver;The voltage output end of digital microwave transceiver is connected with voltage survey Unit is tried, it also includes switch arrays, switch controller and CPU;The IF input terminal and numeral of described blocking flow module are micro- The prevention at radio-frequency port of ripple transceiver is connected by switch arrays with frequency spectrograph, power meter and signal source respectively;Programmable power supply, stopping direct current Module, voltage tester unit, frequency spectrograph, power meter and signal source are connected with CPU respectively, and CPU also passes through switch controller and institute The switch arrays connection stated;Described switch arrays are made up of several frequency microwave switch combinations.
It is preferred that, as shown in Fig. 2 described switch arrays include structure identical first switch 9, second switch 10, the The switch 12 of three switch the 11, the 4th and the 5th switch 13;Each switch is equipped with first port, second port, common port and control End, the control end each switched is connected with described switch controller 5;The common port of first switch 9 and described stopping direct current The IF input terminal connection of module 2, the first port of first switch 9 is connected with the second port of second switch 10, first switch 9 Second port the 5th switch 13 second port connection;The common port of second switch 10 is connected with described frequency spectrograph 8, and second The first port of switch 10 is connected with the first port of the 4th switch 12;The common port of 3rd switch 11 and described digital microwave The prevention at radio-frequency port connection of transceiver 3, the first port of the 3rd switch 11 is connected with described power meter 7, and the 3rd switchs the of 11 Two-port netwerk is connected with the common port of the 4th switch 12;The second port of 4th switch 12 and the first port of the 5th switch 13 connect Connect;The common port of 5th switch 13 is connected with described signal source 6.
In the present embodiment, described blocking flow module 2 and voltage tester unit 4 are connected by RS232 with described CPU respectively Connect.Programmable power supply 1, frequency spectrograph 8, switch controller 5, signal source 6 and power meter 7 are connected by netting twine with hub 15 respectively, Hub 15 is connected with described CPU by netting twine.The system also includes display and input, the structure together with described CPU Into host computer 14.
The switch of the present embodiment is using Keysight SPDT frequency microwaves switch 8765D.Meanwhile, system take into account In actual production or test, the situation of instrument and meter inadequate resource.Under normal circumstances, system can be to digital microwave transceiver 3 Transmitting and receive all items tested(Tx+Rx), when not possessing associated clamps or instrument, transmitting test can be divided into (Tx)Tested with receiving(Rx)Tested.
The application scenarios of several the system are set forth below:
Test system is launched and the calibration of receiving path line loss:Test software possesses line loss automatic calibration function, and how is prompting Wiring(Word or schematic diagram), confirm to start calibration after wiring, and judge line loss whether within prescribed limit(Evade appearance The scene that cable damage or cable are not tightened)If calibrated successfully, in write-in calibration file.
(calibration frequency is divided into height, in, low three frequencies) need the link of calibration and switch switching as follows:
TX SA paths line loss is calibrated:RF line losses+SW3(com to port2)+SW4(com to port1)+SW2(com To port2)+frequency spectrograph cable;Wiring:Signal source+TX SA paths+power meter.
TX SA path cables flatness is calibrated:RF line losses+SW3(com to port2)+SW4(com to port1)+ SW2 (com to port2)+frequency spectrograph cable;Wiring:Signal source+TX SA paths+frequency spectrograph;Frequency spectrograph is set to measure points For 801, measurement reading TX SA path line loss flatness array array_cable_Cal [], TX flatnesses are tested afterwards and are surveyed In examination project, it is used as compensation, to draw determinand flatness.
TX PM paths line loss is calibrated:RF line losses+SW3(com to port1)+ power meter cable;Wiring:Signal source+TX PM paths+power meter.
TX SG(350MHZ) path line loss is calibrated:Signal source cable+SW5(com to port2)+SW1(com to port2)+ IF cables;Wiring:Signal source+TX PM paths+power meter.
RX SG paths line loss is calibrated:SG cables+SW5(com to port2)+SW4(com to port2)+SW3(com to port2)+ RF cables;Wiring:Signal source+RX SG paths+power meter.
RX SA (140MHZ) paths line loss is calibrated:SA line losses+SW2(com to port2)+SW1(com to port1)+ IF cables;Wiring:Signal source+RX SA (140MHZ) path+power meter calculates the flat angle value of RX SA path line losses, afterwards Test in RX flatness test events, be used as compensation, to draw determinand flatness.

Claims (5)

1. a kind of full frequency band digital microwave integrated test system, it includes programmable power supply, the blocking flow module sum being sequentially connected Word microwave transceiver;The voltage output end of digital microwave transceiver is connected with voltage tester unit, it is characterised in that:
It also includes switch arrays, switch controller and CPU;The IF input terminal and digital microwave of described blocking flow module are received The prevention at radio-frequency port of hair machine is connected by switch arrays with frequency spectrograph, power meter and signal source respectively;Programmable power supply, stopping direct current mould Block, voltage tester unit, frequency spectrograph, power meter and signal source are connected with CPU respectively, CPU also by switch controller with it is described Switch arrays connection;Described switch arrays are made up of several frequency microwave switch combinations.
2. a kind of full frequency band digital microwave integrated test system according to claim 1, it is characterised in that:Described switch Array includes structure identical first switch, second switch, third switch, the 4th switch and the 5th switch;Each switch is all provided with There are first port, second port, common port and control end, the control end each switched is connected with described switch controller;
The common port of first switch is connected with the IF input terminal of described blocking flow module, the first port of first switch and the The second port connection of two switches, the second port that the second port the 5th of first switch is switched is connected;
The common port of second switch is connected with described frequency spectrograph, the first port of second switch and the first port of the 4th switch Connection;
3rd switch common port be connected with the prevention at radio-frequency port of described digital microwave transceiver, the 3rd switch first port and Described power meter connection, the second port of the 3rd switch is connected with the common port of the 4th switch;
The second port of 4th switch is connected with the first port of the 5th switch;
The common port of 5th switch is connected with described signal source.
3. a kind of full frequency band digital microwave integrated test system according to claim 1 or 2, it is characterised in that:Described Blocking flow module and voltage tester unit are connected by RS232 with described CPU respectively.
4. a kind of full frequency band digital microwave integrated test system according to claim 1 or 2, it is characterised in that:Described Programmable power supply, frequency spectrograph, switch controller, signal source and power meter are connected by netting twine with hub respectively, hub and institute The CPU stated is connected by netting twine.
5. a kind of full frequency band digital microwave integrated test system according to claim 1 or 2, it is characterised in that:The system Also include display and input, host computer is constituted together with described CPU.
CN201720055899.6U 2017-01-18 2017-01-18 A kind of full frequency band digital microwave integrated test system Expired - Fee Related CN206472135U (en)

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CN201720055899.6U CN206472135U (en) 2017-01-18 2017-01-18 A kind of full frequency band digital microwave integrated test system

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Application Number Priority Date Filing Date Title
CN201720055899.6U CN206472135U (en) 2017-01-18 2017-01-18 A kind of full frequency band digital microwave integrated test system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114039676A (en) * 2021-11-09 2022-02-11 杭州长川科技股份有限公司 Radio frequency tester and calibration method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114039676A (en) * 2021-11-09 2022-02-11 杭州长川科技股份有限公司 Radio frequency tester and calibration method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170905

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