A cable assembly for relaying a measurement unit, comprising:
- a first measuring apparatus for measuring a first electrical characteristic of a device under test, wherein the device under test is a semiconductor device;
- a second measuring apparatus for measuring a second electrical characteristic of the device under test;
- a connection apparatus including:
- a switch for being connected to the device under test and receiving a switching signal from a controller;
- a control-signal connector for receiving the switching signal from the controller and sending the switching signal to the switch;
- a plurality of first connectors for being connected to the switch and for being connected to a plurality of first measuring apparatus connectors included in the first measuring apparatus;
- and
- a plurality of second connectors for being connected to the switch and for being connected to a plurality of second measuring apparatus connectors included in the second measuring apparatus,
- wherein the first measuring apparatus and the second measuring apparatus are connected to the device under test via respective different wiring configurations, and, in response to the switching signal sent from the controller via the control-signal connector, the switch determines which of the first or second connectors are electrically connected to the device under test, in accordance with the wiring configuration of the corresponding measuring apparatus, and
- wherein in the measurement unit, the first measuring apparatus connectors and the second measuring apparatus connectors are arranged in a first arrangement, and in the connection apparatus, the first connectors and the second connectors are arranged in a second arrangement, the cable assembly further comprising:
- a first connector assembly having a plurality of third connectors and a plurality of fourth connectors, the third connectors and the fourth connectors being arranged so as to correspond to the first arrangement to allow direct connection with the first measuring apparatus connectors and the second measuring apparatus connectors, respectively;
- a second connector assembly having a plurality of fifth connectors and a plurality of sixth connectors, the fifth connectors and the sixth connectors being arranged so as to correspond to the second arrangement to allow direct connection with the first connectors of the connection apparatus and the second connectors of the connection apparatus, respectively;
- and
- a plurality of conductor cables for relaying the first connector assembly and the second connector assembly, the conductor cables including a first group of conductor lines that electrically connect the connectors of the third connectors to the corresponding connectors of the fifth connectors and a second group of conductor lines that electrically connect the connectors of the fourth connectors to the corresponding connectors of the sixth connectors.