CN210807285U - Communication equipment intermediate frequency veneer self calibration device and communication equipment - Google Patents
Communication equipment intermediate frequency veneer self calibration device and communication equipment Download PDFInfo
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- CN210807285U CN210807285U CN202020176710.0U CN202020176710U CN210807285U CN 210807285 U CN210807285 U CN 210807285U CN 202020176710 U CN202020176710 U CN 202020176710U CN 210807285 U CN210807285 U CN 210807285U
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Abstract
The application discloses communication equipment intermediate frequency veneer self calibration device and communication equipment, wherein, the self calibration device comprises the following components: the communication equipment to be calibrated is provided with an intermediate frequency single board; one end of the checking instrument is connected with a TX port of the communication equipment to be calibrated, and the other end of the checking instrument is directly connected with a USB port of the communication equipment to be calibrated through a USB cable; and the calibration module is arranged on the communication equipment to be calibrated and used for executing calibration after the calibration instrument is connected. And a TX port of the communication equipment to be calibrated is connected with a DC isolator through an intermediate frequency cable, and the DC isolator is connected with a calibration instrument through the intermediate frequency cable. The self-calibration device/communication equipment does not need to be connected with a computer and the like, directly connects the calibration instrument between the TX port and the USB port of the communication equipment to be calibrated, sinks the calibration module to the communication equipment to be calibrated, saves the equipment cost required by calibration, and can perform calibration at any time.
Description
Technical Field
The utility model relates to a communication technology especially is relevant with a communication equipment intermediate frequency veneer self calibration device and communication equipment structure.
Background
The existing wireless communication/satellite communication equipment generally comprises an intermediate frequency single board, and the intermediate frequency single board completes the functions of intermediate frequency transmission and intermediate frequency receiving. Because the indexes of devices (a/D or D/a) on the board are different or the processing technology of the board fluctuates, the consistency of the output power of the intermediate frequency board is generally not ideal, and in order to control the transmission power more accurately, the power calibration of the processed intermediate frequency board is required to ensure the consistency of the output power.
The existing calibration schemes include a computer, a calibration instrument, and the like, and before production and shipment, once the equipment leaves a factory, the intermediate frequency board of the communication equipment cannot be calibrated again unless the equipment returns to the factory. In the later use, there is a need for re-calibration, which is unavoidable, and the conventional calibration method is very inconvenient for the user/manufacturer who purchases the device.
SUMMERY OF THE UTILITY MODEL
The application mainly aims at the defects of the related prior art, provides the intermediate frequency single plate self-calibration device of the communication equipment and the communication equipment, and can realize the calibration of the equipment at any time under the conditions of no need of a computer and no production environment.
In order to achieve the above purpose, the utility model adopts the following technology:
an intermediate frequency single plate self-calibration device of communication equipment is characterized by comprising the following components:
the communication equipment to be calibrated is provided with an intermediate frequency single board;
one end of the checking instrument is connected with a TX port of the communication equipment to be calibrated, and the other end of the checking instrument is directly connected with a USB port of the communication equipment to be calibrated through a USB cable; and
and the calibration module is arranged on the communication equipment to be calibrated and used for executing calibration after the calibration instrument is connected.
A communication device with self-calibration function of an intermediate frequency single board is provided, the communication device has the intermediate frequency single board, and is characterized in that:
the communication device comprises a calibration module;
the calibration module is used for executing calibration when a TX port of the communication equipment is connected with a calibration instrument, the calibration instrument is connected with a USB port of the communication equipment, the communication equipment is started and finishes an on-line process of the intermediate frequency single board when being powered on, and the connection of the calibration instrument is detected.
According to the concept, the TX port of the communication equipment/communication equipment to be calibrated is connected with the DC isolator through the intermediate frequency cable, and the DC isolator is connected with the checking instrument through the intermediate frequency cable.
According to the above concept, the calibration instrument is a power meter.
According to the above concept, the communication device/communication device to be calibrated has an indicator light for indicating whether the calibration module has started to perform calibration, whether calibration has been completed, and whether the calibration result is successful or failed.
Specifically, the indicator light:
the device is used for indicating that the calibration module is started to perform calibration through the flashing state;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is successful through a normally-on green lamp;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is failure through the normally-on red light.
The utility model has the advantages that:
the power meter is directly connected between the TX port of the intermediate frequency single board of the communication equipment to be calibrated and the USB port of the communication equipment without connecting a computer and the like, the calibration module is sunk to the communication equipment to be calibrated/the communication equipment to be calibrated, the communication equipment to be calibrated/the communication equipment to be calibrated not only plays a role of the equipment to be calibrated, but also plays a role of a computer in the traditional scheme, the calibration module runs on the communication equipment to be calibrated/the communication equipment to be calibrated, the equipment cost required by calibration is saved, and the calibration can be carried out at any time.
Drawings
Fig. 1 is a structural diagram of an embodiment of an intermediate frequency single board self-calibration apparatus of a communication device according to the present application.
Fig. 2 is an example of an application of the intermediate frequency single board self-calibration apparatus of the communication device of the present application.
Fig. 3 is a structural diagram of an embodiment of the communication device with an intermediate frequency single board self-calibration function according to the present application.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example one
Fig. 1 is a structural diagram of an embodiment of a self-calibration apparatus for an intermediate frequency single board of a communication device according to the present application, where the apparatus is composed of only a communication device to be calibrated and a calibration instrument, and the communication device to be calibrated is provided with a calibration module. The communication equipment to be verified is communication equipment with an intermediate frequency single board. Specifically, the calibration module is arranged on/loaded on the communication device to be calibrated, and is used for linking with the calibration instrument to execute calibration.
And one end of the checking instrument is connected with a TX port of the communication equipment to be calibrated through the checking instrument, and the other end of the checking instrument is connected with a USB port of the communication equipment to be calibrated. Specifically, one end is connected to the TX port via a dc block and an intermediate frequency cable.
Specifically, the instrument is checked by using a power meter. The power meter can be a power meter which can meet the measuring range and the precision corresponding to the working frequency of the tested single board, such as a radio frequency power meter which meets the measuring range and the precision. Specifically, if the operating frequency of the intermediate frequency single board is in the L band, the selected power meter only needs to meet the requirements of the measurement range and the accuracy in the frequency range.
Self-calibration implementation process:
after the components of the device are connected in place according to the connection mode shown in fig. 2, the device is powered on and started, the communication device to be calibrated completes the on-line process of the intermediate frequency board (loading logic, initializing the key chip of the intermediate frequency board), and then the communication device to be calibrated detects the existence of the device file corresponding to the power meter by the software of the communication device to be calibrated, that is, the power meter is detected to be connected in place, which indicates that the calibration process needs to be entered, so that the calibration module starts to execute calibration. Description of the drawings: the communication equipment has bottom layer software and equipment software, and the equipment software mainly processes a business process; the calibration module is simply an auxiliary module that sinks into the device and functions when performing the calibration. A detection and verification instrument is added in the equipment software, so that the automatic detection and starting calibration process is perfected.
Example two
Fig. 3 is a structural diagram of an embodiment of the communication device with an intermediate frequency single board self-calibration function according to the present application.
The communication device disclosed in this embodiment is a communication device with an intermediate frequency board.
Specifically, the communication device comprises a calibration module, so that the communication device can be used as a device to be calibrated and has a calibration function.
Specifically, the calibration module is used for executing calibration.
When in implementation: and connecting the TX port of the communication equipment with a power meter, and connecting the power meter with the USB port of the communication equipment. And electrifying the communication equipment to start and complete the on-line process of the intermediate frequency single board, detecting that the power meter is connected, and calibrating by the calibration module under the coordination of the power meter.
When the connection is implemented, a TX port of the communication equipment is connected with a DC isolator through an intermediate frequency cable, and the DC isolator is connected with a power meter through the intermediate frequency cable.
The calibration module of the first and second embodiments may perform the calibration in a frequency stepping manner and a power stepping manner.
The detailed execution flow of the frequency stepping and power stepping is illustrated as follows (this example is only to illustrate that the frequency stepping and power stepping can be performed, but is not limited to only such a calibration method):
initializing the checking instrument;
reading the frequency range to be calibrated, the frequency step, the power range and the power step of the single board, and entering a calibration process;
setting a current calibration frequency;
setting an attenuation value according to a current power point to be calibrated, and reading an actual output power value from a calibration instrument after the output of the calibration instrument is stable;
adjusting the attenuation value according to the difference between the measured value and the set value until the difference is within the allowable range (specifically determined by the performance of the intermediate frequency single board and the precision of the checking instrument, for example, ± 0.5 dB);
continuously adjusting the attenuation value to the next power point to be calibrated, and repeating the step of setting the attenuation value;
after all power points of the current calibration frequency are calibrated, entering the next frequency point to be calibrated, and repeating the steps to set the current calibration frequency;
and finishing calibration after finishing all calibration according to frequency stepping and power stepping, and feeding back the results of successful or failed calibration.
As a preferred implementation manner of the first embodiment and the second embodiment, the communication device further includes an indicator light for indicating whether the calibration module has started to perform calibration and indicating whether the calibration is completed and the calibration result is successful or failed.
Specifically, the method comprises the following steps:
when the calibration module performs calibration, the indicator light flashes;
when the calibration module completes calibration and the calibration is successful, the indicator lamp is turned on in a green state;
when the calibration module completes calibration and fails to calibrate, the indicator light is always on.
Claims (10)
1. An intermediate frequency single plate self-calibration device of communication equipment is characterized by comprising the following components:
the communication equipment to be calibrated is provided with an intermediate frequency single board;
one end of the checking instrument is connected with a TX port of the communication equipment to be calibrated, and the other end of the checking instrument is directly connected with a USB port of the communication equipment to be calibrated through a USB cable; and
and the calibration module is arranged on the communication equipment to be calibrated and used for executing calibration after the calibration instrument is connected.
2. The apparatus according to claim 1, wherein the TX port of the communication device to be calibrated is connected to the dc-isolator through the if cable, and the dc-isolator is connected to the calibration instrument through the if cable.
3. The apparatus of claim 1, wherein the calibration instrument is a power meter.
4. The apparatus of claim 1, wherein the communication device to be calibrated has an indicator light for indicating whether the calibration module has started to perform calibration, whether the calibration has been completed, and whether the calibration result is successful or failed.
5. The self-calibration device for an intermediate frequency board of a communication device according to claim 4, wherein the indicator light:
the device is used for indicating that the calibration module is started to perform calibration through the flashing state;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is successful through a normally-on green lamp;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is failure through the normally-on red light.
6. A communication device, the communication device has an intermediate frequency single board, characterized in that:
the communication device comprises a calibration module;
the calibration module is used for executing calibration when a TX port of the communication equipment is connected with a calibration instrument, the calibration instrument is connected with a USB port of the communication equipment, the communication equipment is powered on to start and complete an on-line process of the intermediate frequency single board, and the connection of the calibration instrument is detected.
7. The communication device of claim 6, wherein the TX port of the communication device is connected to the dc block via the if cable, and wherein the dc block is connected to the calibration instrument via the if cable.
8. The communication device of claim 6, wherein the verification instrument is a power meter.
9. The communication device of claim 6, wherein the communication device has an indicator light to indicate whether the calibration module has started performing calibration, whether calibration has been completed, and whether the calibration result is successful or failed.
10. The communication device of claim 9, wherein the indicator light:
the device is used for indicating that the calibration module is started to perform calibration through the flashing state;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is successful through a normally-on green lamp;
the calibration module is used for indicating that the calibration module has finished calibration and the calibration result is failure through the normally-on red light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020176710.0U CN210807285U (en) | 2020-02-18 | 2020-02-18 | Communication equipment intermediate frequency veneer self calibration device and communication equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020176710.0U CN210807285U (en) | 2020-02-18 | 2020-02-18 | Communication equipment intermediate frequency veneer self calibration device and communication equipment |
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| Publication Number | Publication Date |
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| CN210807285U true CN210807285U (en) | 2020-06-19 |
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| CN202020176710.0U Active CN210807285U (en) | 2020-02-18 | 2020-02-18 | Communication equipment intermediate frequency veneer self calibration device and communication equipment |
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