HT81-00628 [TTELEC]
HDSL, HDSL2 Coupling Transformers; HDSL ， HDSL2耦合变压器
| 型号： | HT81-00628 |
| 厂家： | 
TT Electronics |
| 描述： | HDSL, HDSL2 Coupling Transformers |
| 文件： | 总5页 (文件大小：118K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NEW PRODUCT
MODEL HT81 SERIES
HDSL, HDSL2
Coupling Transformers
FEATURES AND BENEFITS
• Supports industry standard HDSL transceivers
• Excellent total harmonic distortion characteristics
• Meets standard dielectric withstanding voltage requirements
• Conforms to ANSI, ITU and ETSI standards
• Supports Level One and Conexant (Rockwell) chips
• Operating temperature range of -40°C to +85°C
• Can be customized to meet unique specifications
APPLICATIONS
• Designed for 784 Kb/s and 1168 Kb/s applications
• Designs available for multiple data rates
• HDSL coupling transformer
Specifications subject to change without notice.
6
6-149
Model HT81 Series
ELECTRICAL @ 25°C
Open Circuit
Inductance
Return
Loss
Insertion
Loss
Line
Longitudinal
Part
Number
Rate Turns Ratio Line Side (5) @ Mid Band
@ 40kHz
dB Max.
Balance (8) THD (6)
Kb/s
Line-Chip
mH Min.
dB Min.
dB Min.
dB Max.
Fig.
Sch.
(4)
(4)
(9)
(9)
(9)
(4)
(4)
(4)
(1)
(2)
(3)
(3)
(4)
(1)
(2)
(4)
(4)
(2)
(4)
(4)
(1)
HT81-00552
HT81-00553
HT81-00628
HT81-00629
HT81-00630
HT81-00631
HT81-00632
HT81-00633
HT81-99628
HT81-99647
HT81-99648
HT81-99649
HT81-99650
HT81-99651
HT81-99709
HT81-99710
HT81-99711
HT81-99721
HT81-99722
HT81-99723
HT81-99724
2320
1:1:1
1.0
≥16.5
80-580kHz
≥16.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
55
40-320kHz
55
-70
2 or 3
2
1552
272
2.3:1
1:1:1 ct
1:1:1 ct
1:1:1 ct
2.3:1
1.6
8.0
5.0
3.5
1.3
1.1
1.0
2.8
3.0
2.0
3.0
2.0
2.06
2.0
2.0
2.0
3.0
2.0
2.0
3.0
-70
-70
-70
-70
-65
-65
-70
-75
-70
-75
-75
-70
-70
-70
-70
-70
-70
-70
-70
-70
3
5
3
3
3
2
2
2
1
2
3
3
2
4
3
3
2
2
2
2
2
20-560kHz
≥15
20-320kHz
65
1
9-40kHz
≥16.5
40-320kHz
65
416
1
20-80kHz
≥16.5
40-320kHz
65
528
1
33-110kHz
≥16.5
40-320kHz
55
1808
2064
2320
784
2 or 3
80-580kHz
≥16.5
40-320kHz
55
2.3:1
2 or 3
80-580kHz
≥15.5
40-320kHz
55
2.3:1
2 or 3
80-580kHz
≥20
40-320kHz
50
1.8 ct:1 ct
1:1:1 ct
1:1:2 ct
1:1:2 ct
1:1:1 ct
1.8 ct:1 ct
1:1:1 ct
2.3:1 ct
3:1 ct
1
40-200kHz
≥20
5-196kHz
55
784
1
40-200kHz
≥16.5
40-320kHz
55
1168
784
1
40-320kHz
≥20
40-320kHz
50
1
40-200kHz
≥16.5
5-196kHz
55
1168
1168
1168
1552
1168
784
1
1
40-320kHz
≥16.5
40-320kHz
50
40-320kHz
≥12
40-320kHz
55
1
40-320kHz
≥16.5
40-320kHz
65
1
40-320kHz
≥12
40-320kHz
65
1
40-320kHz
≥16.5
40-320kHz
55
1:1:1
2 or 3
2 or 3
2 or 3
2 or 3
40-320kHz
≥16.5
40-320kHz
55
1168
1168
784
1:1:1
40-320kHz
≥16.5
40-320kHz
55
2.3:1
40-320kHz
≥16.5
40-320kHz
50
1.8:1 ct
40-320kHz
40-320kHz
6-150
Model HT81 Series
SCHEMATICS
Schematic 1
Schematic 2
Schematic 3
2
3
4
9
9
8
7
1
2
10
8
Chip
3
Line
8
7
4
2
Chip
Line
Chip
Line
6
4
6
5
Schematic 5
Schematic 4
9
1
2
3
4
10
4
2
9
7
7
8
Chip
Line
Chip
Line
6
5
6
Notes: (1) Supports Level One SK70704 with DCR ≤3.2/2.0 Ω IDC @ 75mA. Assume pins 7-8 shorted externally.
(2) Supports Conexant (Rockwell) BT8921, BT8970 with DCR ≤2.2/2.2 Ω, IDC @ 70mA.
(3) Supports Conexant (Rockwell) BT8952 with DCR ≤2.2/4.4 Ω, IDC @ 160mA.
(4) Supports Level One SK70740, SK70741 and SK70742 HDSL chipset with DCR ≤2.2/2.2 Ω, IDC @ 70mA.
(5) OCL tested @ 100mV @ 10kHz with appropriate IDC.
6
(6) THD tested @ 5kHz, 6Vp-p with 135Ω load.
(7) Supports Level One SK70720 and SK70721 with DCR ≤3.0/6.0 Ω, IDC @ 75mA.
(8) Longitudinal balance: freqency range specified with 135 Ω.
(9) Supports Conexant (Rockwell) BT8960 with DCR ≤3.0/3.0 Ω, IDC @ 70mA.
6-151
Model HT81 Series
OUTLINE DIMENSIONS (Inch/mm)
Figure 1 – Through-Hole
.950
24.13
Max.
1.050
26.67
Max.
.500
12.7
Max.
1
2
3
4
5
10
9
8
7
6
HT81-99628
.780
19.81
Max.
.15
3.81
Typ.
Bobbin Lead:
.042(1.07mm) x
.800
20.32
Nom.
.18
4.57
Nom.
.015 (.381mm)
Typ.
.010
0.25
Unless otherwise specified tolerances are: ±
Figure 2 – Through-Hole
HT81-99722
.526
Max.
13.36
.020
0.51
(10 X)
.098
2.50
.394
10.00
.185
4.70
.394
10.00
Max.
.535
13.59
.547
Max.
Max.
13.89
.010
0.25
Unless otherwise specified tolerances are: ±
6-152
Model HT81 Series
OUTLINE DIMENSIONS (Inch/mm)
Figure 3 – Surface Mount
.695
Max.
.605
15.37
17.65
.028±.002
0.71±0.05
.100
2.54
(10X)
.098
2.50
.530
13.46
.394
10.00
Max.
HT81-00553
.051±.002
1.30±0.05
(10X)
.516
Max.
13.11
.485
12.32
.475
12.07
Max.
Max.
.005/0.13
10 Surfaces
.010
Unless otherwise specified tolerances are: ±
0.25
PACKAGING
Standard: Plastic Trays
6
Capacity
Figure 1
Figures 2 & 3
=
=
45 Units
60 Units
ORDERING INFORMATION
HT81
99628
S
Model Series:
Surface Mount Option
HDSL Transformers
Factory Code (Package/Schematic)
6-153
Model HT81 Series
相关型号：
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