CN111208462A - Integrated circuit test system load plate detection system - Google Patents
Integrated circuit test system load plate detection system Download PDFInfo
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- CN111208462A CN111208462A CN201811393297.7A CN201811393297A CN111208462A CN 111208462 A CN111208462 A CN 111208462A CN 201811393297 A CN201811393297 A CN 201811393297A CN 111208462 A CN111208462 A CN 111208462A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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Abstract
The invention discloses a load plate detection system of an integrated circuit test system, belonging to the technical field of load plate detection, comprising a circuit signal output unit to be detected, a load plate to be detected, a unit adapter module to be detected, an A/D signal conversion module and a calibration module; the circuit signal output unit to be tested is connected with the loading plate to be tested, the loading plate to be tested is used for receiving an output signal of the circuit signal output unit to be tested, and the circuit signal output unit to be tested is used for realizing signal connection of positions to be tested; the loading plate to be tested is connected with the unit adapter module to be tested, the A/D signal conversion module is used for respectively detecting the connecting end of the circuit signal output unit to be tested and the connecting end of the loading plate to be tested and the connecting end of the unit adapter module to be tested, and the waveform analysis is used for conveniently calibrating the loading plate to be tested through comparative analysis.
Description
Technical Field
The invention relates to the technical field of load plate detection, in particular to a load plate detection system of an integrated circuit test system.
Background
An integrated circuit test system loading plate (hereinafter referred to as loading plate) is a connecting circuit between a spring needle of a test channel port of an integrated circuit test system and a pin of an integrated circuit to be tested, and is generally formed by cutting an insulating plate serving as a base material into a certain size and attaching a designed conductive pattern to the insulating plate, so that interconnection between an input/output port of the integrated circuit and the input/output pin of the integrated circuit to be tested is realized. When the existing loading plate is used for calibration detection, the output signal and the input initial signal are usually directly compared and analyzed, so that the detected test signal is easy to lack of accuracy, and a lot of adverse effects are brought to the calibration of the loading plate.
Based on the above, the invention designs a load board detection system of an integrated circuit test system to solve the above problems.
Disclosure of Invention
The present invention provides a load board detection system for an integrated circuit test system, so as to solve the problem that the accuracy of a detected test signal is easily lacking because an output signal and an input initial signal are usually directly compared and analyzed when the existing load board proposed in the background art is calibrated and detected.
In order to achieve the purpose, the invention provides the following technical scheme: a load plate detection system of an integrated circuit test system comprises a circuit signal output unit to be tested, a load plate to be tested, a unit adapter module to be tested, an A/D signal conversion module and a calibration module; the circuit signal output unit to be tested is connected with the loading plate to be tested, the loading plate to be tested is used for receiving an output signal of the circuit signal output unit to be tested, and the circuit signal output unit to be tested is used for realizing signal connection of positions to be tested; the loading plate to be tested is connected with the adapter module of the unit to be tested, and the adapter of the unit to be tested is used for receiving an output signal of the loading plate to be tested; the A/D signal conversion module is respectively connected between the circuit signal output unit to be tested and the connecting circuit of the loading plate to be tested and between the loading plate to be tested and the connecting circuit of the adapter module of the unit to be tested, and is used for performing digital conversion on an output signal of the circuit signal output unit to be tested and an output signal of the loading plate to be tested; the calibration module is connected with the A/D signal conversion module and is used for displaying the digital signals output by the A/D signal conversion module.
Preferably, the circuit signal output unit to be tested is further connected with a signal integration module, the signal integration module is connected with the unit to be tested, the number of the unit to be tested is at least one, and the unit to be tested integrates the signal to be tested through the signal integration module and outputs the signal through the circuit signal output unit to be tested.
Preferably, the calibration module includes a first oscilloscope and a second oscilloscope, the a/D signal conversion module is connected to the calibration module through the first oscilloscope and the second oscilloscope, the first oscilloscope corresponds to the connection end of the circuit signal output unit to be tested and the loading plate to be tested, and the second oscilloscope corresponds to the connection end of the loading plate to be tested and the unit adapter module to be tested.
Preferably, the calibration module further comprises a storage unit, and the storage unit is used for storing the detection signal.
Preferably, the calibration module is connected with the first oscilloscope, the calibration module further comprises a second oscilloscope, and the adapter module of the unit to be tested is connected with the second oscilloscope through the a/D signal conversion module.
Preferably, the unit to be tested is connected with the signal integration module through an internet of things signal.
Compared with the prior art, the invention has the beneficial effects that: the invention respectively detects the connecting end of the signal output unit of the circuit to be detected and the loading plate to be detected and the connecting end of the loading plate to be detected and the adapter module of the unit to be detected by utilizing the A/D signal conversion module, and can conveniently calibrate the loading plate to be detected through comparative analysis by utilizing waveform analysis.
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 introduced below, and it is obvious that the drawings in the following 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 according to the drawings without creative efforts.
FIG. 1 is a block diagram of a structural system of the present invention;
fig. 2 is a general system framework diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a load plate detection system of an integrated circuit test system comprises a circuit signal output unit to be tested, a load plate to be tested, a unit adapter module to be tested, an A/D signal conversion module and a calibration module; the circuit signal output unit to be tested is connected with the loading plate to be tested, the loading plate to be tested is used for receiving an output signal of the circuit signal output unit to be tested, and the circuit signal output unit to be tested is used for realizing signal connection of positions to be tested; the loading plate to be tested is connected with the adapter module of the unit to be tested, and the adapter of the unit to be tested is used for receiving an output signal of the loading plate to be tested; the A/D signal conversion module is respectively connected between the circuit signal output unit to be tested and the connecting circuit of the loading plate to be tested and between the loading plate to be tested and the connecting circuit of the adapter module of the unit to be tested, and is used for performing digital conversion on an output signal of the circuit signal output unit to be tested and an output signal of the loading plate to be tested; the calibration module is connected with the A/D signal conversion module and is used for displaying the digital signals output by the A/D signal conversion module.
It should be noted that, when detecting the loading plate to be tested, the circuit signal output unit to be tested needs to be connected with the unit to be tested to facilitate the circuit signal output unit to be tested to output the test signal to the loading plate to be tested, in the process of signal transmission, the A/D signal conversion module is connected with the data transmission ends of the circuit signal output unit to be tested and the loading plate to be tested, the test signals of the circuit signal output unit to be tested and the data transmission end of the loading plate to be tested can be conveniently converted into digital signals through the A/D signal conversion module to act on the calibration module.
In a further embodiment, the circuit signal output unit to be tested is further connected with a signal integration module, the signal integration module is connected with the unit to be tested, the number of the unit to be tested is at least one, and the unit to be tested integrates the signal to be tested through the signal integration module and outputs the signal through the circuit signal output unit to be tested;
the multiple groups of units to be tested are connected with the signal integration module, and the integrated test signals are uniformly applied to the circuit signal output unit to be tested, so that the units to be tested are uniformly suggested to be connected, and the combined action of the multiple groups of units to be tested is detected.
In a further embodiment, the calibration module includes a first oscilloscope and a second oscilloscope, the a/D signal conversion module is connected to the calibration module through the first oscilloscope and the second oscilloscope, respectively, the first oscilloscope corresponds to the connection end of the circuit signal output unit to be tested and the loading plate to be tested, and the second oscilloscope corresponds to the connection end of the loading plate to be tested and the adapter module of the unit to be tested;
the first oscilloscope and the second oscilloscope are respectively connected through the A/D signal conversion module, so that conversion of the test signals of each group to the digital test signals can be conveniently realized, waveforms of the corresponding digital test signals can be conveniently displayed through the first oscilloscope and the second oscilloscope, and the loading plate to be tested can be conveniently calibrated through contrastive analysis.
In a further embodiment, the calibration module further includes a storage unit, and the storage unit is configured to store the detection signal;
the output digital test signals are stored by using the storage unit, so that the corresponding waveforms can be conveniently stored in real time, and the later calibration work of the loading plate to be tested is facilitated.
In a further embodiment, the calibration module is connected, the calibration module further includes a third oscilloscope, and the adapter module of the unit to be tested is connected with the third oscilloscope through the a/D signal conversion module;
the third oscilloscope can be used for assisting in detecting the test signal output by the adapter module of the unit to be tested, and the third oscilloscope is used for performing analog display on the signal waveform.
In a further embodiment, the unit to be tested is connected with the signal integration module through an internet of things signal;
the mobile detection work of the unit to be detected can be conveniently realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A kind of integrated circuit test system load board checkout system, characterized by that: the device comprises a circuit signal output unit to be tested, a loading plate to be tested, a unit adapter module to be tested, an A/D signal conversion module and a calibration module;
the circuit signal output unit to be tested is connected with the loading plate to be tested, the loading plate to be tested is used for receiving an output signal of the circuit signal output unit to be tested, and the circuit signal output unit to be tested is used for realizing signal connection of positions to be tested;
the loading plate to be tested is connected with the adapter module of the unit to be tested, and the adapter of the unit to be tested is used for receiving an output signal of the loading plate to be tested;
the A/D signal conversion module is respectively connected between the circuit signal output unit to be tested and the connecting circuit of the loading plate to be tested and between the loading plate to be tested and the connecting circuit of the adapter module of the unit to be tested, and is used for performing digital conversion on an output signal of the circuit signal output unit to be tested and an output signal of the loading plate to be tested;
the calibration module is connected with the A/D signal conversion module and is used for displaying the digital signals output by the A/D signal conversion module.
2. The integrated circuit test system load board detection system of claim 1, wherein: the circuit signal output unit to be tested is further connected with a signal integration module, the signal integration module is connected with the unit to be tested, the number of the unit to be tested is at least one, and the unit to be tested integrates the signal to be tested through the signal integration module and outputs the signal through the circuit signal output unit to be tested.
3. The integrated circuit test system load board detection system of claim 1, wherein: the calibration module comprises a first oscilloscope and a second oscilloscope, the A/D signal conversion module is connected with the calibration module through the first oscilloscope and the second oscilloscope respectively, the first oscilloscope corresponds to the connection end of the circuit signal output unit to be tested and the loading plate to be tested, and the second oscilloscope corresponds to the connection end of the loading plate to be tested and the unit adapter module to be tested.
4. The integrated circuit test system load board detection system of claim 3, wherein: the calibration module further comprises a storage unit, and the storage unit is used for storing the detection signal.
5. The integrated circuit test system load board detection system of claim 1, wherein: the calibration module is connected with the computer system and further comprises a third oscilloscope, and the adapter module of the unit to be tested is connected with the third oscilloscope through the A/D signal conversion module.
6. The integrated circuit test system load board detection system of claim 2, wherein: the unit to be tested is connected with the signal integration module through an Internet of things signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393297.7A CN111208462A (en) | 2018-11-21 | 2018-11-21 | Integrated circuit test system load plate detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811393297.7A CN111208462A (en) | 2018-11-21 | 2018-11-21 | Integrated circuit test system load plate detection system |
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| CN111208462A true CN111208462A (en) | 2020-05-29 |
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| CN201811393297.7A Pending CN111208462A (en) | 2018-11-21 | 2018-11-21 | Integrated circuit test system load plate detection system |
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