Agilent 4155C/4156C User’s Guide Vol.1, Edition 11 2-31
Installation
Mounting Connectors
Mounting Connectors
Previous sections described how to install the available accessories, and the 16495
Installation Guide provides the information on how to install connector plates on the
shielding box. However, you may choose to mount connectors directly on your own
connector plate or test fixture.
To do this, you will need to make connector holes and mount the connectors
yourself. This section contains information on connector hole dimensions.
To mount connectors:
1. Select the appropriate parts for your application. See Table 2-2.
2. Make the holes and mount the connectors. See Table 2-3.
For Kelvin connections using the 4156C SMU, use Agilent 16493K Kelvin
cable. A Kelvin cable requires a Kelvin triaxial connector, which has two
connector holes and three screw holes.
3. Build the interlock circuit shown in “To Make an Interlock Circuit” on page
2-33.
4. Attach cables from the connectors to the DUT (device under test). Refer to “To
Connect the GNDU Output”, “To Connect the SMU Output”, and “To Connect
the VSU/VMU/PGU Outputs” later in this chapter.
Table 2-2 lists the parts required to mount connectors on your shielding box. The
type and quantity of parts needed will depend on your application.
Table 2-2 Recommended Parts
Usage Agilent Part No. Description
Making an interlock
circuit
1252-1419C Interlock Connector (6 pin,
female)
3101-0302 or 3101-3241 Switch
1450-0641 LED (V
F
≅ 2.1 V @ I
F
= 10 mA)
8150-5680 Wire
Connecting GNDU to
DUT
1250-2457 Triaxial Connector (female)
8121-1189 or 8150-2639 Coaxial Cable or Wire
Connecting SMU to
DUT
1250-2457 Triaxial Connector (female)
8121-1191 Low Noise Coaxial Cable
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