
H315.A (5/98)
Corporate
12220 World Trade Drive
San Diego, CA 92128
Tel:
619 674 8100
FAX: 619 674 8262
http://www.pulseeng.com
Quick-Facts: 619 674 9672
Europe
Millpool House
Mill Lane, Godalming
Surrey GU7 1EY
U.K.
Tel:
441 483 428 877
FAX: 441 483 416 011
Asia
P.O. Box 26-11, KEPZ
6 Central Sixth Road
KEPZ, Kaohsiung
Taiwan, R.O.C.
Tel: 886 7 821 3141
FAX: 886 7 841 9707
Distributor
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
Printed on recycled paper. 1998, Pulse Engineering, Inc.
Schematics
16
10Base-T
15
13
100Base-TX
12
1:1:1CT
10
9
1
2
3
2CT:1
7
8
11
RECEIVE
TRANSMIT
H1094
Typical Application Circuit
24
ML6692/ML6694
7
8
9
10
11
12
13
14
15
16
17
I
6 5 4 3 2
AVCC
CMREF
TPINP
TPINN
AVCC2
TPOUTP
TPOUTN
IN-
IN+
1
2
3
4
6
7
8
16
14
15
10
11
9
H1090
OUT TO THE
10BASE-T PHY INPUTS
VCC
RJ-45
1
2
3
4
5
6
7
8
9
10
The magnetics modules have been specifically designed for implementation of
10/100 Mbps and 100Base-TX data links over data-grade unshielded twisted pair
cable (UTP-5). The modules provide excellent EMI filtering and are targeted for
adapter card and multiport applications. In designing these parts, Pulse has worked
closely with members of the IEEE 802.3 and ANSI X3.263 committees to develop an
analog interface that provides isolation and EMI filtering for MLT-3 and
NRZ transceivers.
The H1090 and H1094 are designed to interface with the MicroLinear ML6692,
ML6694, ML6697, or ML6698 in 10/100 Mbps applications. The H1038 is optimized
for SEEQ or MITEL (formerly GEC Plessy) 10/100 Mbps applications.
The transformers used in the modules provide high voltage isolation, wide
bandwidth, and fast rise time. They utilize stable ferrite materials to minimize the
degradation of primary inductance with base-line wander. At least 350 μH of
inductance will be provided by the transformers in these modules when 0 - 8 mA is
applied across the windings over a temperature range of 0° - 70°C. The High Speed
LAN magnetics modules provide the designer with low cost analog components for
simple and reliable designs. The parts are encased in IC-grade packaging, which
shows superior performance under high temperature solder reflow conditions.
For information on TP-FDDI, Fast Ethernet, and ATM solutions, contact Pulse’s
HS LAN Marketing Group.
Application Notes
For More Information :
10/100 BASE-T SINGLE PORT
TRANSFORMER MODULES
With 2:1 Transmit Turns Ratios Compatible
with MicroLinear, MITEL, and SEEQ Transceivers