TSB41LV04A

IEEE 1394a FOUR-PORT CABLE TRANSCEIVER/ARBITER

SLLS379 – OCTOBER 1999

21

POST OFFICE BOX 655303

APPLICATION INFORMATION

TPAx+

TPAx–

TPBx+

TPBx–

Cable Port

CPS

TPBIASx

56

Ω

56

Ω

56

Ω

56

Ω

5 k

Ω

1

µF

400 k

Ω

220 pF

(see Note A)

TSB41LV04A

Cable

Pair

A

Cable

Pair

B

Outer Shield

Termination

NOTE A: The IEEE Std 1394-1995 calls for a 250 pF capacitor, which is a non-standard component value. A 220 pF capacitor is recommended.

Figure 4. TP Cable Connections

1 M

Ω

0.001

µF

0.01

µF

Outer Cable Shield

Chassis Ground

Figure 5. Typical Compliant DC Isolated Outer Shield Termination