HDSL
Line Transformer
6778
• Complaint with Globespan chip sets
• Designed to reflect 135Ω line side, 8.4Ω IC side
• Extended temperature range -40°C to +85°C
MECHANICAL
(All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATIC
ELECTRICAL SPECIFICATION @ 25˚C
DCR
±10%
1-4
(Ω)
2-5
(Ω)
9-7
(Ω)
Turns
Ratio
±1%
10kHz
Return
Loss
40kHz-
500kHz
(dB MIN)
Insertion
Loss
@100kHz
(dB MAX)
Frequency
Response
40kHz-
1MHz
(dB MAX)
Longitudinal
Balance
40kHz-
500kHz
(dB MAX)
L
Part
Number
@10kHz,
0DC
(mH)
L
@10kHz,
100mADC
(mH)
L
L
@100
KHz
(µH)
Hipot
C
WW
VAC
100kHz
(pF MAX)
6778
6778
2.07
2.07
15.00
1.45
1.45
0.45
4:1
1,875
65.00
15.00
0.50
±1.00
55.00
ISSUE: A
06/01
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FILTRAN [ FILTRAN LTD ]
