Patent ID: 7350123

Claim:
A test apparatus for testing a device under test, comprising: a test module comprising: a correcting unit for correcting a characteristic of a test signal to be supplied to said device under test or a characteristic of a measuring unit for measuring an output signal output from said device under test; a correction value holding unit for holding a correction value used for a correction by said correcting unit; and an identification information storing unit for storing test module identification information, which is identification information of said test module; a correction value database for storing said correction value to be held by said correction value holding unit of said test module identified by said test module identification information, in order that said correction value corresponds to said test module identification information; and control means for retrieving said correction value stored by said correction value database, wherein said correction value corresponds to said test module identification information stored by said identification information storing unit, and controlling said correction value holding unit to hold said correction value.