CN218003564U - Antenna test system - Google Patents
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- CN218003564U CN218003564U CN202221697443.7U CN202221697443U CN218003564U CN 218003564 U CN218003564 U CN 218003564U CN 202221697443 U CN202221697443 U CN 202221697443U CN 218003564 U CN218003564 U CN 218003564U
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Abstract
The utility model discloses an antenna test system. An antenna test system comprising: the device comprises a double-arm bridge module, a bridge arm switching module, a current detector monitoring module, a resistance adjusting module, a testing module and an antenna to be tested; the double-arm bridge module is connected with the bridge arm switching module through a bridge arm, and the bridge arm switching module is connected with the antenna to be tested through a bridge arm probe; the double-arm bridge module comprises a current detector and an adjustable resistor; the current detector monitoring module is connected with the current detector, and the resistance adjusting module is connected with the adjustable resistor; the test module is connected with the bridge arm switching module, the current detector monitoring module and the resistance adjusting module, respectively controls the modules, stores the resistance values of the first contact resistance and the second contact resistance measured by the double-arm bridge module, and determines whether the antenna to be tested is assembled qualified or not by comparing the resistance values with a target resistance. The test cost is reduced, the test operation is simplified, the test time is reduced, the environmental interference is avoided, the test efficiency is improved, and the effect of batch test is realized.
Description
Technical Field
The utility model relates to a test technical field especially relates to an antenna test system.
Background
For electronic equipment with wireless function, a great part of antennas and an equipment mainboard need to be connected through a connector, so that wireless signals of the mainboard can be transmitted through the antennas. After the electronic equipment is subjected to an early research and development stage and functional test verification, the problem that both the main board and the antenna are problematic can be guaranteed; however, in the production stage, the antenna and the main board need to be assembled manually by a production line operator, and therefore, the assembled electronic device with the antenna needs to be tested.
At present, when electronic equipment with an antenna is produced in a factory production line, most of the electronic equipment adopts the following two methods to test whether the antenna is assembled or not; 1) By running wireless throughput; 2) The transmit power is tested.
The two modes require that the whole equipment passes a certain test instruction and other external equipment after being completely started. In the method 1, a network card needs to be tested, a shielding box needs to be used to ensure that the device to be tested does not fail in testing due to interference of wireless signals of other electronic devices on a production line when the wireless throughput is tested, and the method 2 needs to analyze the signal strength through a software instruction and a signal receiving device. Therefore, the test method has the problems of high production and test cost, complex test operation, long test time and low test efficiency caused by environmental interference.
SUMMERY OF THE UTILITY MODEL
The utility model provides an antenna test system to it is higher with the test cost to solve current test method production, and test operation is complicated, and test time is longer, and environmental disturbance leads to the retest rate height, the lower problem of efficiency of software testing.
According to the utility model discloses an aspect provides an antenna test system, include: the device comprises a double-arm bridge module, a bridge arm switching module, a current detector monitoring module, a resistance adjusting module, a testing module and an antenna to be tested;
the double-arm bridge module is connected with the bridge arm switching module through a bridge arm, the bridge arm switching module is connected with the antenna to be tested through a bridge arm probe, and the bridge arm switching module is used for controlling the bridge arm probe to switch between a first circuit to be tested and a second circuit to be tested of the antenna to be tested;
the double-arm bridge module comprises a current detector and an adjustable resistor, and is used for measuring the resistance value of the adjustable resistor when the current detector reaches balance and determining the resistance value of a first contact resistor or a second contact resistor corresponding to the first circuit to be tested or the second circuit to be tested of the antenna to be tested according to the resistance value of the adjustable resistor;
the current detector monitoring module is connected with the current detector, and the resistance adjusting module is connected with the adjustable resistor; the current detector monitoring module is used for monitoring the current flowing through the current detector; the resistance adjusting module is used for adjusting the resistance value of the adjustable resistor, so that the current detector is balanced;
the test module is connected with the bridge arm switching module, the current detector monitoring module and the resistance adjusting module, respectively controls the modules, stores the resistance values of the first contact resistance and the second contact resistance measured by the double-arm bridge module, and compares the resistance values with a target resistance to determine whether the antenna to be tested is assembled qualified.
Optionally, the double-arm bridge module further includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, an internal resistor R, an internal power source E, and a switch K;
a first end of the first resistor R1 is connected to a first end of the contact resistor Rx, a second end of the first resistor R1 is connected to a first end of the third resistor R3 and a first end of the current detector G, and a second end of the third resistor R3 is connected to a second end of the adjustable resistor Rn;
a first end of the second resistor R2 is connected to a second end of the contact resistor Rx, a second end of the second resistor R2 is connected to a first end of the fourth resistor R4 and a second end of the current detector G, and a second end of the third resistor R3 is connected to a first end of the adjustable resistor Rn;
the second end of the contact resistor Rx is connected with the first end of the adjustable resistor Rn after being connected with the internal resistor r in series;
one end of the internal power supply E is connected with the second end of the adjustable resistor Rn, and the other end of the internal power supply E is connected to the first end of the contact resistor Rx through a switch K.
Optionally, when a ratio of the resistance value of the first resistor R1 to the resistance value of the second resistor R2 is equal to a ratio of the resistance value of the third resistor R3 to the resistance value of the fourth resistor R4, the double-arm bridge module is balanced, that is, the current detector is balanced;
the resistance value of the first contact resistor or the second contact resistor is Rx = (R1/R2) × Rn.
Optionally, when the current detector monitoring module monitors that the current flowing through the current detector is 0, that is, when the current detector reaches a balance state, the testing module stores the resistance value of the first contact resistor or the second contact resistor measured by the double-arm bridge module.
Optionally, when the current detector monitoring module monitors that the current flowing through the current detector is not 0, the resistance adjusting module adjusts the resistance value of the adjustable resistor according to the instruction of the testing module, and the current detector monitoring module monitors the current flowing through the current detector again.
Optionally, the bridge arm switching module is a double-pole double-throw relay.
Optionally, the bridge arm includes a first pair of probes and a second pair of probes;
the double-pole double-throw relay comprises a first pair of contacts, a second pair of contacts, a third pair of contacts and a fourth pair of contacts;
the first pair of contacts and the second pair of contacts are respectively connected with the first pair of probes, and the third pair of contacts and the fourth pair of contacts are respectively connected with the second pair of probes.
Optionally, the current detector monitoring module adopts a hall effect sensor, and the resistance adjusting module adopts a micro control unit;
the Hall effect sensor is connected with the micro control unit through an I2C bus.
Optionally, the micro control unit is connected to the test module through a UART bus.
The technical scheme of the embodiment of the utility model, through an antenna test system, include: the device comprises a double-arm bridge module, a bridge arm switching module, a current detector monitoring module, a resistance adjusting module, a testing module and an antenna to be tested; the double-arm bridge module is connected with the bridge arm switching module through a bridge arm, and the bridge arm switching module is connected with the antenna to be tested through a bridge arm probe; the double-arm bridge module comprises a current detector and an adjustable resistor; the current detector monitoring module is connected with the current detector, and the resistance adjusting module is connected with the adjustable resistor; the test module is connected with the bridge arm switching module, the current detector monitoring module and the resistance adjusting module, respectively controls the modules, stores the resistance values of the first contact resistance and the second contact resistance measured by the double-arm bridge module, and determines whether the antenna to be tested is assembled qualified or not by comparing the resistance values with a target resistance. The problems that the existing testing method is high in production and testing cost, complex in testing operation, long in testing time, high in retest rate caused by environmental interference and low in testing efficiency are solved. The test cost is reduced, the test operation is simplified, the test time is shortened, the environmental interference is avoided, the test efficiency is improved, and the beneficial effect of batch test is realized.
It should be understood that the statements in this section are not intended to identify key or critical features of the embodiments of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna testing system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a test point of an antenna test system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circuit schematic diagram of a bridge arm switching module according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a conventional double arm bridge in the prior art.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Examples
Fig. 1 is a schematic diagram of an embodiment of the present invention, which provides a structural diagram of an antenna testing system, and this embodiment is applicable to the situation of testing after an electronic device with an antenna is equipped.
As shown in fig. 1, the method includes: the device comprises a double-arm bridge module 100, a bridge arm switching module 200, a current detector monitoring module 300, a resistance adjusting module 400, a testing module 500 and an antenna to be tested 600;
the two-arm bridge module 100 is connected with the bridge arm switching module 200 through a bridge arm, the bridge arm switching module 200 is connected with the antenna 600 to be tested through a bridge arm probe, and the bridge arm switching module 200 is used for controlling the bridge arm probe to switch between a first circuit to be tested and a second circuit to be tested of the antenna 600 to be tested;
the dual-arm bridge module 100 includes a current detector 110 and an adjustable resistor 120, and the dual-arm bridge module 100 is configured to measure a resistance value of the adjustable resistor 120 when the current detector 110 reaches a balance state, and determine a resistance value of a first contact resistor or a second contact resistor corresponding to the first circuit to be tested or the second circuit to be tested of the antenna 600 to be tested according to the resistance value of the adjustable resistor 120;
the current detector monitoring module 300 is connected to the current detector 110, and the resistance adjusting module 400 is connected to the adjustable resistance 120; the galvo monitoring module 300 is used for monitoring the current flowing through the galvo 110; the resistance adjusting module 400 is configured to adjust the resistance of the adjustable resistor 120, so that the current detector 110 is balanced, and detect the resistance of the adjustable resistor 120;
the testing module 500 is connected to the bridge arm switching module 200, the current detector monitoring module 300, and the resistance adjusting module 400, and respectively controls each module, stores the resistance values of the first contact resistance and the second contact resistance measured by the two-arm bridge module 100, and compares the resistance values with a target resistance to determine whether the antenna 600 to be tested is assembled properly.
Optionally, when the current detector monitoring module 300 monitors that the current flowing through the current detector 110 is 0, that is, when the current detector 110 reaches a balance, the testing module 500 stores the resistance values of the first contact resistor or the second contact resistor of the dual-arm bridge module 100.
Optionally, when the current detector monitoring module 300 monitors that the current flowing through the current detector 110 is not 0, the resistance adjusting module 400 adjusts the resistance value of the adjustable resistance 120 according to the instruction of the testing module 500, and the current detector monitoring module 300 monitors the current flowing through the current detector 110 again.
The dual-arm bridge module 100 is connected to the bridge arm switching module 200 through two bridge arms, the two bridge arms form two pairs of bridge arm probes after passing through the bridge arm switching module 200, and the bridge arm switching module 200 is connected to the antenna 600 to be tested through the bridge arm probes. When the antenna 600 to be measured is in the first circuit to be measured and the second circuit to be measured, the test points are different, and when the antenna 600 to be measured is in the first circuit to be measured, the bridge arm switching module 200 controls the first pair of bridge arm probes to be connected with the first pair of test points of the antenna 600 to be measured, and the first contact resistance is connected to the double-arm bridge module 100 for measurement; when the antenna 600 to be tested is in the second circuit to be tested, the bridge arm switching module 200 controls to switch to the second pair of bridge arm probes, connects to the second pair of test points of the antenna 600 to be tested, and connects the second contact resistance to the dual-arm bridge module 100 for measurement.
When the antenna 600 to be tested is in the first circuit to be tested or the second circuit to be tested, the dual-arm bridge module 100 measures the adjustable resistor 120 when the dual-arm bridge is balanced, so as to calculate the accessed first contact resistance or the accessed second contact resistance. The current detector monitoring module 300 is connected to the current detector 110, monitors the current of the current detector 110, when the double-arm bridge is balanced, the current detector 110 is balanced, that is, the current flowing through the current detector 110 is 0, at this time, the double-arm bridge module 100 measures the adjustable resistor 120 according to the double-arm bridge principle, calculates the resistance value of the first contact resistor or the second contact resistor according to the resistance value of the adjustable resistor 120, and the testing module 500 receives and stores the resistance value of the first contact resistor or the second contact resistor obtained by the double-arm bridge module; when the dual-arm bridge is not balanced, the current detector 110 is not balanced, that is, the current flowing through the current detector 110 is not 0, at this time, the resistance adjusting module 400 adjusts the resistance of the adjustable resistor 120 according to the instruction of the testing module 500, after the adjustment, the current detector monitoring module 300 monitors the current detector 110 again, and each time the adjustable resistor 120 is adjusted, the current detector monitoring module 300 detects the current detector 110 until the current detector 110 is balanced.
The first circuit to be tested is a transmission test circuit, the second circuit to be tested is a reflux test circuit, the first contact resistor is a transmission test resistor, and the second contact resistor is a reflux test resistor. As shown in fig. 2, when the transmission test circuit is in use, the electronic device and the antenna are connected through a plug-in radio frequency connector, and a first pair of test points (a 1, a 2) are arranged at the connection position of the electronic device, the antenna and the connector; when the electronic device is in the backflow test circuit, a second pair of test points (b 1, b 2) is arranged on the main board of the electronic device and the antenna main board, and is used for the backflow path test of the main board end of the electronic device and the backflow path test of the antenna end, and exemplarily, the second pair of test points (b 1, b 2) is a ground wire.
The test module 500 compares the resistance values of the first contact resistor and the second contact resistor with the resistance value of the target resistor, and if the resistance value of the first contact resistor is equal to the resistance value of the first target resistor and the resistance value of the second contact resistor is equal to the resistance value of the second target resistor, the antenna to be tested is determined to be assembled; if not, the antenna to be tested is unqualified in assembly.
As shown in fig. 3, optionally, the double-arm bridge module further includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, an internal resistor R, an internal power source E, and a switch K;
a first end of the first resistor R1 is connected to a first end of the contact resistor Rx, a second end of the first resistor R1 is connected to a first end of the third resistor R3 and a first end of the current detector G, and a second end of the third resistor R3 is connected to a second end of the adjustable resistor Rn;
a first end of the second resistor R2 is connected to a second end of the contact resistor Rx, a second end of the second resistor R2 is connected to a first end of the fourth resistor R4 and a second end of the current detector G, and a second end of the third resistor R3 is connected to a first end of the adjustable resistor Rn;
the second end of the contact resistor Rx is connected with the first end of the adjustable resistor Rn after being connected with the internal resistor r in series;
one end of the internal power supply E is connected with the second end of the adjustable resistor Rn, and the other end of the internal power supply E is connected to the first end of the contact resistor Rx through a switch K.
Optionally, when a ratio of the resistance value of the first resistor R1 to the resistance value of the second resistor R2 is equal to a ratio of the resistance value of the third resistor R3 to the resistance value of the fourth resistor R4, the dual-arm bridge module is balanced, that is, the current detector is balanced;
the resistance value of the first contact resistance or the second contact resistance is Rx = (R1/R2) × Rn.
As shown in fig. 4, a schematic diagram of a conventional double-arm bridge principle is shown, two ends of a contact resistor Rx are connected to a bridge arm probe, when a bridge is designed, R1/R2= R3/R4 is guaranteed, and when the bridge guarantees that the bridge is balanced, through an electrical theory, a first contact resistor or a second contact resistor Rx = (R1/R2) × Rn connected to a circuit of the double-arm bridge can be calculated. In this embodiment, a current detector monitoring module is added to monitor the current detector G, and a resistance adjusting module is added to adjust the adjustable resistance, so that the bridge is balanced, and when the bridge is balanced, the resistance of the first contact resistance or the second contact resistance serving as the resistance to be tested is calculated according to the measured resistance Rn of the adjustable resistance, so that the automatic test of the first contact resistance or the second contact resistance is realized. When an antenna test system is designed, the ratio of R1 to R2 is determined in advance, and Rx can be obtained through calculation after the adjustable resistor Rn is obtained.
Optionally, the bridge arm switching module is a double-pole double-throw relay.
As shown in fig. a, optionally, the bridge arm comprises a first pair of probes (A1, A2) and a second pair of probes (B1, B2);
the double-pole double-throw relay comprises a first pair of contacts 1, a second pair of contacts 2, a third pair of contacts 3 and a fourth pair of contacts 4;
the first pair of contacts 1 and the second pair of contacts 2 are respectively connected with the first pair of probes (A1, A2), and the third pair of contacts 3 and the fourth pair of contacts 4 are respectively connected with the second pair of probes (B1, B2).
When a transmission test is carried out, the double-pole double-throw relay acts to close the first pair of contacts 1 and the second pair of contacts 2, so that the first pair of test points connected with the first pair of probes (A1 and A2) are accessed into a loop to measure a first contact resistance; when the reflow test is performed, the test module 500 sends an instruction to the bridge arm switching module 200, the double-pole double-throw relay operates to disconnect the first pair of contacts 1 and the second pair of contacts 2, and close the third pair of contacts 3 and the fourth pair of contacts 4, so that the second pair of test points connected with the second pair of probes (B1 and B2) are connected into a loop to measure the second test resistance.
Optionally, the current detector monitoring module adopts a hall effect sensor, and the resistance adjusting module adopts a micro control unit;
the Hall effect sensor is connected with the micro control unit through an I2C bus.
The current detector monitoring module is an electronic component capable of detecting current, such as a Hall effect sensor, and the sensor can detect the current through the correlation between the current and an electromagnetic field. The device integrates an I2C signal, communication is realized between the I2C signal and a Micro Control Unit (MCU), and the MCU judges whether the adjustable resistor needs to be adjusted according to the detection data of the Hall effect sensor.
Optionally, the micro control unit is connected to the test module through a UART bus.
The micro control unit is connected with the test module through a UART bus, and data interaction between the test data and the test module for accompanying test is realized.
An embodiment of the utility model provides an antenna test system, include: the device comprises a double-arm bridge module, a bridge arm switching module, a current detector monitoring module, a resistance adjusting module, a testing module and an antenna to be tested; the dual-arm bridge module is connected with the bridge arm switching module through a bridge arm, and the bridge arm switching module is connected with the antenna to be tested through a bridge arm probe; the double-arm bridge module comprises a current detector and an adjustable resistor; the current detector monitoring module is connected with the current detector, and the resistance adjusting module is connected with the adjustable resistor; the test module is connected with the bridge arm switching module, the current detector monitoring module and the resistance adjusting module, respectively controls the modules, stores the resistance values of the first contact resistance and the second contact resistance measured by the double-arm bridge module, and determines whether the antenna to be tested is assembled qualified or not by comparing the resistance values with a target resistance. In this embodiment, a current detector monitoring module is added to monitor the current detector G, a resistance adjusting module is added to adjust the adjustable resistance, so that the bridge is balanced, and when the bridge is balanced, the resistance of the first contact resistance or the second contact resistance serving as the resistance to be tested is calculated according to the measured resistance of the adjustable resistance, thereby realizing the automatic test of the first contact resistance or the second contact resistance; and determining whether the antenna to be tested is qualified in assembly according to the comparison with the target resistance. The problems that the existing testing method is high in production and testing cost, complex in testing operation, long in testing time, high in retest rate caused by environmental interference and low in testing efficiency are solved. The test cost is reduced, the test operation is simplified, the test time is reduced, the environmental interference is avoided, the test efficiency is improved, and the effect of batch test is realized.
The above detailed description does not limit the scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made, depending on design requirements and other factors. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An antenna test system, comprising: the device comprises a double-arm bridge module, a bridge arm switching module, a current detector monitoring module, a resistance adjusting module, a testing module and an antenna to be tested;
the double-arm bridge module is connected with the bridge arm switching module through a bridge arm, the bridge arm switching module is connected with the antenna to be tested through a bridge arm probe, and the bridge arm switching module is used for controlling the bridge arm probe to switch between a first circuit to be tested and a second circuit to be tested of the antenna to be tested;
the double-arm bridge module comprises a current detector and an adjustable resistor, and is used for measuring the resistance value of the adjustable resistor when the current detector reaches balance and determining the resistance value of a first contact resistor or a second contact resistor corresponding to the first circuit to be tested or the second circuit to be tested of the antenna to be tested according to the resistance value of the adjustable resistor;
the current detector monitoring module is connected with the current detector, and the resistance adjusting module is connected with the adjustable resistance; the current detector monitoring module is used for monitoring the current flowing through the current detector; the resistance adjusting module is used for adjusting the resistance value of the adjustable resistor, so that the current detector is balanced;
the testing module is connected with the bridge arm switching module, the current detector monitoring module and the resistance adjusting module, respectively controls each module, stores the resistance values of the first contact resistance and the second contact resistance measured by the double-arm bridge module, and compares the resistance values with a target resistance to determine whether the antenna to be tested is assembled qualified or not.
2. The antenna test system of claim 1, wherein the double arm bridge module further comprises a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, an internal resistor R, an internal power source E, and a switch K;
a first end of the first resistor R1 is connected to a first end of the contact resistor Rx, a second end of the first resistor R1 is connected to a first end of the third resistor R3 and a first end of the current detector G, and a second end of the third resistor R3 is connected to a second end of the adjustable resistor Rn;
a first end of the second resistor R2 is connected to a second end of the contact resistor Rx, a second end of the second resistor R2 is connected to a first end of the fourth resistor R4 and a second end of the current detector G, and a second end of the third resistor R3 is connected to a first end of the adjustable resistor Rn;
the second end of the contact resistor Rx is connected with the first end of the adjustable resistor Rn after being connected with the internal resistor r in series;
one end of the internal power supply E is connected with the second end of the adjustable resistor Rn, and the other end of the internal power supply E is connected to the first end of the contact resistor Rx through a switch K.
3. The antenna test system of claim 2, wherein when the ratio of the resistance of the first resistor R1 to the resistance of the second resistor R2 is equal to the ratio of the resistance of the third resistor R3 to the resistance of the fourth resistor R4, the two-arm bridge module is balanced, i.e. the current detector is balanced;
the resistance value of the first contact resistance or the second contact resistance is Rx = (R1/R2) × Rn.
4. The antenna test system according to claim 3, wherein the test module stores the resistance values of the first contact resistance or the second contact resistance measured by the double-arm bridge module when the current detector monitoring module monitors that the current flowing through the current detector is 0, that is, when the current detector reaches an equilibrium.
5. The antenna test system of claim 4, wherein when the current detector monitoring module monitors that the current flowing through the current detector is not 0, the resistance adjusting module adjusts the resistance of the adjustable resistance according to the instruction of the test module, and the current detector monitoring module monitors the current flowing through the current detector again.
6. The antenna testing system of claim 1, wherein the bridge arm switching module is a double-pole double-throw relay.
7. The antenna test system of claim 6, wherein the bridge arm comprises a first pair of probes and a second pair of probes;
the double-pole double-throw relay comprises a first pair of contacts, a second pair of contacts, a third pair of contacts and a fourth pair of contacts;
the first pair of contacts and the second pair of contacts are respectively connected with the first pair of probes, and the third pair of contacts and the fourth pair of contacts are respectively connected with the second pair of probes.
8. The antenna test system according to claim 1, wherein the current detector monitoring module employs a hall effect sensor, and the resistance adjusting module employs a micro control unit;
the Hall effect sensor is connected with the micro control unit through an I2C bus.
9. The antenna test system according to claim 8, wherein the micro control unit is connected to the test module via a UART bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221697443.7U CN218003564U (en) | 2022-07-01 | 2022-07-01 | Antenna test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221697443.7U CN218003564U (en) | 2022-07-01 | 2022-07-01 | Antenna test system |
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| CN218003564U true CN218003564U (en) | 2022-12-09 |
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| CN202221697443.7U Active CN218003564U (en) | 2022-07-01 | 2022-07-01 | Antenna test system |
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