defining a degree of excellence
HIGHSPEEDLANMAGNETICS
960016B
APPLICATION NOTES
• 0556-1060-00 is for use with 0558-1060-00 and the S556-1060-01 is for use with S558-1060-01.
• These Bel designs are for use with Microlinear 100 Mbps and various 10Base-T PHY devices that may require
external filtering. Microlinear provides the following recommendations:
Internal
10 BT
Internal
10 BT Filters
MAC
Microlinear
MII
SYM
7-Wire
DEC21140
DEC21142
DEC21143
AM79C971
I82557
6692, 2653
6692
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
6698
✓
✓
6692
✓
✓*
✓
6692, 2653
6692, 2653
6698
MC91C100
MX98713
TNETE100
✓
✓
✓
✓
6692
*I82557 muxes the MII and the 7-wire signals.
• Vcc operating voltage of the Bel magnetics modules is recommended to be 5 volts, +/-5%.
• Two 1ký resistors are recommended to provide bias voltage to the Microlinear chipset.
• 0.1µF DC blocking capacitors are recommended to provide isolation between the 10 Mbps and 100 Mbps PHY
transceivers.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
