Mainboard test circuit

A main board testing circuit comprises a current testing circuit, a voltage testing circuit and a control circuit, the control circuit monitors the testing current of a main board to be tested, when the value of the testing current is in the preset qualified range, the current testing circuit starts...

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Main Authors ZHAN YOUHUI, YU HENG, HU KEYOU, HE FENGLONG
Format Patent
LanguageChinese
English
Published 10.09.2008
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Abstract A main board testing circuit comprises a current testing circuit, a voltage testing circuit and a control circuit, the control circuit monitors the testing current of a main board to be tested, when the value of the testing current is in the preset qualified range, the current testing circuit starts the voltage testing circuit and opens a power supply of the main board to be tested, hereafter, the control circuit starts to monitor the testing voltage of the main board to be tested, when the testing voltage is not in the preset qualified range, the voltage testing circuit and the power supply of the main board to be tested are closed by the control circuit. The main board testing circuit can measure the testing current and the testing voltage of the main board, when the testing current or the testing voltage of the main board to be tested is not in the preset qualified range, the test is stopped and the power supply of the main board to be tested is closed, thus avoiding the main board which is tested from bei
AbstractList A main board testing circuit comprises a current testing circuit, a voltage testing circuit and a control circuit, the control circuit monitors the testing current of a main board to be tested, when the value of the testing current is in the preset qualified range, the current testing circuit starts the voltage testing circuit and opens a power supply of the main board to be tested, hereafter, the control circuit starts to monitor the testing voltage of the main board to be tested, when the testing voltage is not in the preset qualified range, the voltage testing circuit and the power supply of the main board to be tested are closed by the control circuit. The main board testing circuit can measure the testing current and the testing voltage of the main board, when the testing current or the testing voltage of the main board to be tested is not in the preset qualified range, the test is stopped and the power supply of the main board to be tested is closed, thus avoiding the main board which is tested from bei
Author HU KEYOU
ZHAN YOUHUI
YU HENG
HE FENGLONG
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Snippet A main board testing circuit comprises a current testing circuit, a voltage testing circuit and a control circuit, the control circuit monitors the testing...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
Title Mainboard test circuit
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