TEST DEVICE AND CONNECTION UNIT

摘要

PROBLEM TO BE SOLVED: To perform testing of a device under test under conditions that are close to those of actual operation at low cost.SOLUTION: A test device for performing testing of a device under test includes: an interposer to which the device under test is detachably connected; a testing device fixed to the interposer; and a testing unit that is connected to the interposer and inputs a test signal to the device under test without going through the testing device. The testing device operates according to a signal which is output by the device under test.