The Agilent 16442A test fixture is designed for use with the Agilent 4155C and 4156C Semiconductor Parameter Analyzers to testing electronic devices. You mount the suitable socket module on the 16442A, which allows you to easily connect various devices (DUTs) to measurement units.
The 16442A has thirteen channels:
Six source/monitor unit (SMU) channels
Up to three channels can be connected to SMUs by Kelvin connections.
Two voltage source unit (VSU) channels
Two voltage monitor unit (VMU) channels
Two pulse generator unit (PGU) channels