HDSL
Line Interface
Transformers
Thru-hole & Surface Mount Versions
Electrical Specifications at 25
O
C
P/N
T-911
Turns Ratio
Inductance
DC Resistance Pri
DC Resistance Sec
Frequency
Response
Insertion Loss
D.C. Current
Longitudinal
Balance
Return Loss
Harmonic
Distortion
Isolation
Schematic Style
1:1
3
3.8
3.8
0.1
0.5
100
50
17
-70
1000
B
T-940
2:1
5
3.5
2.2
0.07
0.43
100
53
17
-70
1500
A
T-976
2:1
2
2.5
1.0
0.1
0.5
160
50
16.5
-70
1500
A
T-982
2:1
3
2.5
1.0
0.7
0.4
160
53
20
-70
1500
A
T-983
2:1
3.5
2.5
1.0
0.1
0.5
60
53
17
-70
1500
A
Manufacturer
Name
Brooktree
Brooktree
Brooktree
Brooktree
Brooktree
Brooktree
Brooktree
T-984
2:1
8
4.0
2.3
0.1
0.5
60
53
16
-70
1500
A
mH
Ω
Ω
dB
dB
mA
Units
I.C.
Part #
BT8921
BT8921
BT8960
BT8960
BT8960
BT8970
BT8970
Bit
Rate
784
1168
160
288
416
784
1168
Transformer
Part #
T-982
T-976
T-984
T-940
T-983
T-982
T-976
Schematic "A"
1
4
2
7
5
9
PRI
SEC
Schematic "B"
dB
dB
dB
V
RMS
1
10
2
9
4
7
5
6
PRI
SEC
Request Individual Data Sheets for test conditions & additional information
Standard Thru-hole EP-13 Package
.550
(13.97)
MAX.
.536
(13.61)
MAX.
Surface Mount Versions of all Parts listed are available.
Add suffix "G" to specify surface mount package style.
.522
(13.26)
MAX.
.532
(13.51)
MAX.
.525
(13.34)
MAX.
Example:
T-976G
.516
(13.1)
MAX.
.210
(5.33)
TYP.
.100
(2.54)
TYP.
10
9
8
7
6
.400
(10.16)
TYP.
Pin Diameter is 0.025 (0.64)
.100
.028
(2.54) (0.70)
.025
(0.64)
.516
(13.1)
.675 (17.15)
.663 (16.85)
Bottom
View
1
2
3
4
5
Physical Dimensions
inches (mm)
For Complete Details including
PDF Catalogs & Data Sheets on this
and other product families visit
www.rhombus-ind.com
Specifications subject to change without notice.
For other values & Custom Designs, contact factory.
HDSL-EP - 5/99
Rhombus
Industries Inc.
21
15801 Chemical Lane, Huntington Beach, CA 92649-1595
Tel: (714) 898-0960
•
Fax: (714) 896-0971
RHOMBUS-IND [ Rhombus Industries Inc. ]
