In this section:Source-measure units .............................................................. 3-14200-SMU and 4210-SMU overview ........................................ 3-1Source-measure unit (SMU) with 4200-PA overview ............. 3-11Ground unit (GNDU) overview ............................................... 3-19Source-measure concepts ..................................................... 3-23Source-measure unitsThis section provides information about the 4200-SMU and 4210-SMU source-measure units and therelated instruments, including:• 4200-SMU and 4210-SMU overview (on page 3-1): Discusses 4200-SMU and 4210-SMU basiccircuit configurations, operating boundaries, and connectors.• Source-measure unit (SMU) with 4200-PA overview (on page 3-11): Details how the 4200-PAextends 4200-SMU and 4210-SMU dynamic range, and describes basic circuit configurations,operating boundaries, connectors, and mounting methods.• Ground unit (GNDU) overview (on page 3-19): Provides basic information about using the groundunit.• Source-measure concepts (on page 3-23): Provides information on guarding, remote sensing,sink operation, and sweep concepts.4200-SMU and 4210-SMU overviewThe following topics discuss these aspects of the 4200-SMU and 4210-SMU, with and without a4200-PA:• Basic SMU configuration• Compliance limits• Operating boundaries• Terminals and connectorsSection 3Source-measure hardware
