| 摘要 |
There is provided a test apparatus for testing a device under test, the test apparatus including: a test signal supplying section that supplies a digital input signal for testing purposes, to the device under test; a reference signal output section that outputs an analogue reference signal in accordance with the digital input signal; a difference obtaining section that outputs an analogue difference signal representing a difference between the analogue reference signal and an analogue output signal outputted by the device under test in accordance with the digital input signal; and a determining section that determines whether the analogue output signal shows a defect or not based on the analogue difference signal.
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