| 摘要 |
A test apparatus includes: a driver circuit that supplies, to a device under test, a test signal corresponding to an input signal; and a judging section that judges pass/fail of the device under test, based on the load voltage or the load current supplied to the device under test when supplying a test signal of a constant current or a constant voltage to the device under test from the driver circuit, where the driver circuit includes: a driver section that outputs the test signal; a supply current detecting section that detects a supply current supplied to the driver section; and an output control section that controls a voltage or a current of the test signal outputted from the driver section to the predetermined value, based on the supply current detected by the supply current detecting section.
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