Specifications

EMC-CS-2009.1

February 11, 2010

If the DUT contains circuit loads that have a dedicated signal return back to the DUT (a signal return not shared by any other

circuit load)

, each wire of the circuit pair shall be placed in the separate slots (Slots A and B) located in the test fixture as

illustrated in Figure H-3.

Dedicated signal returns shall always be located in Slot B unless specified in the EMC test plan.

Figure H-3: RI 130/150 Test Setup ( DUT with Dedicated Return Wire )

Slot A

Slot B

Slot C

Source

Wire

DUT

Load

Simulator

Test Harness

If the DUT contains twisted pair circuits, each twisted wire pair shall be placed in Slot A as illustrated in Figure H-4.

However it is required that the wire pair is untwisted for 150 mm. This is facilitated via the section located in the center test

fixture.

The inclusion of this untwisted and unshielded section simulates the device connector or use of an in-line connector.

Figure H-4: RI 130/150 Test setup ( Configuration for a Twisted Wire Pair )

Slot B

Slot C

Slot A

150

If the DUT contains shielded circuits (excludes RF antenna cables), each shielded circuit pair shall be placed in Slot A as

illustrated in Figure H-5. However it is required that the circuits are unshielded for 150 mm. This is facilitated via the

section located in the center test fixture. The setup is similar to that used for a twisted wire pair.

Figure H-5: RI 130/150 Test setup ( Configuration for Shielded Twisted Wire Pair )

Slot B

Slot C

Slot A

150