Test device for very-high-frequency transceiver
A test device and transceiver technology, which is applied in the field of aircraft avionics, can solve problems such as burnout of on-board parts, complicated operation methods, and long time spent, and achieve the effects of saving time, simple external connections, and improving work efficiency
Inactive Publication Date: 2016-02-03
HARBIN
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Problems solved by technology
As far as the existing production technology is concerned, when conducting the power-on inspection of the system, only short-circuiting can be used to simulate the working mode of the airborne finished product, such as data bus, intermediate frequency voltage and radio frequency analog / digital information, etc. The operation method is complicated and expensive It may also cause burnout of parts on the machine due to incorrect short-circuit operation, which poses a great potential safety hazard.
Method used
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[0015] combined with figure 1 It is a schematic diagram of a test connection for implementing the sensitivity detection of a certain type of VHF transceiver receiver by applying the present invention. Connect the communication system monitor 1 and the DC regulated power supply 4 to the 220V AC power supply. Select the K1 switch position according to the detected object: if the detected object is KY196 series, select 27.5V power supply mode; if the detected object is KY197 series, select 13.75V power supply mode. Take the KY196 series as an example to test as follows:
[0016] The DC stabilized power supply 4 provides 27.5V power supply mode for the VHF transceiver test device 3. Pull the K1 switch on the VHF transceiver test device 3 to leave the "OFF" position, and the ammeter shows that the power consumption in the receiving state should be less than 1A . Close the S1 switch, and the communication system monitor 1 is set to output a 2μV, 1000Hz, 30% modulated radio freque...
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The invention belongs to the field of airplanes and avionics, and provides a test device for a very-high-frequency transceiver. The test device comprises a direct-current voltage-stabilizing power supply 4, a test device 3 of the very-high-frequency transceiver and a communication system monitoring instrument 1, wherein the direct-current voltage-stabilizing power supply 4 is connected with the test device 3 of the very-high-frequency transceiver and used for supplying power to the test device 3 of the very-high-frequency transceiver and supplying power to the very-high-frequency transceiver 2 through the test device 3 of the very-high-frequency transceiver; the test device 3 of the very-high-frequency transceiver is respectively connected with the very-high-frequency transceiver 2 and the communication system monitoring instrument 1 and used for receiving a radio-frequency signal of the communication system monitoring instrument 1 and forwarding the radio-frequency signal to the very-high-frequency transceiver 2; and the communication system monitoring instrument 1 is connected with the very-high-frequency transceiver 2 and used for receiving the radio-frequency signal of the very-high-frequency transceiver 2, sending the radio-frequency signal to the very-high-frequency transceiver 2 to reprocess through the test device 3 of the very-high-frequency transceiver, and then receiving data reprocessed by the very-high-frequency transceiver 2 to display.
Description
technical field [0001] The invention belongs to the field of aircraft avionics, and relates to a VHF transceiver test device. Background technique [0002] The main function of the VHF system is to realize the ultrashort wave communication between the driver and the ground command platform or between the air plane and the plane. As far as the existing production technology is concerned, when the power-on inspection of the system is performed, only short-circuiting can be used to simulate the working mode of the airborne finished product, such as data bus, intermediate frequency voltage and radio frequency analog / digital information, etc. The operation method is complicated and expensive. If it takes a long time, it may also cause burnout of parts on the machine due to incorrect short-circuit operation, which poses a great potential safety hazard. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a VHF transceiver ...
Claims
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IPC IPC(8): H04B17/00
Inventor 陶书萍邵丽红
Owner HARBIN