6790 Datasheet, PDF (1/1 Pages) Filtran LTD – LAN 10/100 Base-T Single Port

LAN
10/100 Base-T Single Port
Transformer Module
• Provides excellent EMI filtering
• Designed for use with data grade unshielded twisted pair cable (UTP-5)
• Suitable for adapter card cable and multiport applications
• Meets IEEE 802.3 and ANSI X3.263 standards, including 350µH OCL
with 8mA DC bias
6790
MECHANICAL AND SCHEMATIC (All dimensions in inches)
.500
.100
1.000
6790
FD/C
SUGGESTED PAD LAYOUT
.400
.080
.700
.100
.540
.018 TYP
.030
RD+ 1
CT 3
RD- 2
TD+ 16
CT 14
TD- 15
.700±.005
.268 ^.010±.002
.009±.003
.030±.004
0˚-8˚
SCHEMATIC
1CT:1CT
7 RX+
5 CT
6 RX-
10 TX+
12 CT
11 TX-
UNLESS OTHERWISE SPECIFIED, ALL TOLERANCES ARE ±0.010
ELECTRICAL SPECIFICATION @ 25˚C
Part
Number
6790
Insertion
Loss
(dB Max)
0.1-100
MHz
-1.0
Return Loss
(dB Min @ 100Ω )
1-30 40
50 60-80
MHz MHz MHz MHz
-18 -18 -16 -12
Differential to Common
Mode Rejection
(dB Min)
30
60
100
MHz MHz MHz
-50
-45
-40
Crosstalk
(dB Typ)
30
60
100
MHz MHz MHz
-55
-50
-50
Hipot
(Vrms)
1500
Turns Ratio @ 20 kHz, 0.5 V:
(1-2):(7-6)=1CT:1CT±2%
(15-16):(11-10)=1CT:1CT±2%
Inductance @ 100kHz, 100mV, 8mA: 350µH Min (15-16)
350µH Min (1-2)
An ISO 9001 Registered Company
229 Colonnade Road, Ottawa, Ontario, Canada K2E 7K3
Tel: [phone] Fax: [phone] www.filtran.com