Technical data

Agilent B2900A Configuration and Connection Guide, Edition 1 3- 13

Connection

Connection with Prober

4-wire (Kelvin) connection for High Force and High Sense

These instructions apply when all connections are Kelvin. Two probes must contact the

wafer in this connection. Connect two Agilent 16494A triaxial cables between the High

Force and High Sense Terminals on the N1294A-002 banana to triaxial adapter for 4-wire

and the connector plate. Connect the FORCE and SENSE lines to probes separately.

Connect the triaxial connector on the probe cable as shown in Figure 3-21.

NOTE To prevent oscillations, use triaxial cables as short as possible, if two 16494A triaxial cables with

Kelvin connections are used.

Figure 3-21 Example of 4-wire (Kelvin) connection for High Force and High Sense

4-wire (Kelvin) connection for Low Force and Low Sense

Connect the triaxial connector using an adapter for GNDU (N1254A-107) as shown in

Figure 3-22. This adapter connects Force Terminal and Sense Terminal to the center

conductor. For parts information for this connection, see Table 3-1.

Figure 3-22 Example of 4-wire (Kelvin) connection for Low Force and Low Sense

Connector plate

Shielding box

Probe cable (triaxial)

Prober

DUT

N1294A-002

Triaxial cable

16494A-001 1.5m

16494A-002 3.0m

High Sense

High Force

Low Force/Low Sense