资料介绍
EMI Guidelines V1_1_2Application Report
September 2001
MIXED SIGNAL PRODUCTS
TI 1394 PRODUCTS
IEEE 1394 EMI Board Design and Layout Guidelines Revision 1.1.2
Jose A. Cadena-Hernandez Burke Henehan Lee Myers
TI Proprietary Information Copyright 2001, Texas Instruments Inc.
1 Introduction
Below are suggested EMI guidelines to follow when designing a 1394 board. These guidelines are in addition to the "Recommendations for PHY Layout" application note # SLLA020A. Not all must be followed, but rather they are suggestions. For example if you are designing a board that will go into a desktop PC, then more attention should be paid to keeping RF noise from coupling onto the traces that connect to the 1394 connector, since the 1394 cable is the most likely source for RF noise. EMI has three elements to it: