IC card chip and module chip testing system
A chip test, chip technology, applied in the detection of faulty computer hardware, record carriers used by machines, instruments, etc., can solve problems such as description, no electrical performance test method and technology, no electrical performance test, etc., to achieve convenient development Effect
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[0016] like figure 1 所示,本发明的测试系统具体包括:
[0017] PC board: inserted in the PC, the PC controls the test system through it.
[0018] DC parameter measurement unit PMU: Provides accurate voltage regulation or constant current power supply, and can perform high-precision voltage and current tests of various ranges.
[0019] Interface control board MIF: monitor whether the card is inserted and whether the signal light on the deck panel is lit.
[0020] The power supply DPS board of the device under test: consists of six units: DPS1, DPS2, VIH, VIL, VOH, and VOL. They can be connected to every pin of the device under test, that is, every contact of the chip, through a relay. The DPS board is the power supply for the device under test, providing a DC power supply with general accuracy, and can also perform voltage or current testing with general accuracy. 设置电压范围为-10-+10V,精度为20mV。 The test system has two power supplies, DPS1 is the main test power supply, and DPS2 is the backup pow...
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