ADSL Line Transformers
For use with Alcatel’s DynaMiTe MTK-20140 ADSL chipset
Excellent THD performance
Small footprint
Electrical Specifications @ 25°C - Operating Temperature -40°C to +85°C
Part
Number
B2068
B2064
2
Application
CO
CPE
Mounting
THT
SMT
Turns Ratio
(±2%)
(1-4):(10-7)
2:1 (Line to Chip)
1:1 (Line to Chip)
OCL @ 10 kHz, 0.1 V
(1-4) with (2-3) shorted
410
μH
(± 10%)
480
μH
(± 10%)
Additional Specifications
Part
Number
B2068
B2064
1
2
2
Leakage Inductance
@ 300 KHz, 0.1 V (1-4) with (2-3),
(7-10) and (8-9) shorted
6.5
μH
MAX
10.0
μH
MAX
Longitudinal
Balance
(from 30 KHz to 1.1 MHz)
-40 dB MIN
-40 dB MIN
THD
(Linearity - Typical)
CO
CPE
DC Resistance
(1-4) (w/2-3 shorted)
THT
SMT
Isolation Voltage
(Vrms)
2:1 (Line to Chip)
1:1 (Line to Chip)
Insertional Loss
1
(@ 100 KHz and 1.1 MHz)
-40 dB MIN
-40 dB MIN
Frequency Response:
0.5 dB MAX, from 100 KHz to 1.1 MHz.; -1.5 dB MAX from 30 KHz to 100 KHz
Transformers are shipped in tubes unless tape and reel is specified. Please add the suffix “T” (i.e. B2064T) for tape and reel orders.
Mechanicals
B2068
B264
10 X .028
± .002
0,71
± 0,05
.695
17,65 MAX
.530
13,46
MAX
.394
10,00
MAX
10 X .051
± .002
1,30
± 0,05
.605
15,37
.100
2,54
.394
10,00
.098
2,50
Date Code
Country of Mfg.
B2068
Date Code
Country of Mfg.
B2064
.098
2,50
.500
12,70MAX
.516
13,11MAX
.485
12,32
MAX
10 X
.018
0,46
.173 ± .015
4,39 ± 0,38
.394
10,00
.550
13,97MAX
.098
2,50
.394
10,00
.547
13,89MAX
.005/0,13
10 SURFACES
Weight
...................6.2 grams
Tray
.............................60/tray
Inches
.010
Dimensions:
Unless otherwise specified, all tolerances are
±
mm
0,25
USA 858 674 8100
1
Germany 49 7032 7806 0
Singapore 65 6287 8998
Shanghai 86 21 62787060
China 86 755 33966678
Taiwan 886 3 4356768
B920.A (02/12)
pulseelectronics.com
ADSL Line Transformers
Schematic
1
3
2
4
10
8
9
7
For More Information
Pulse China Headquarters
Pulse North China
Pulse South Asia
Pulse North Asia
B402, Shenzhen Academy of
Room 2704/2705
135 Joo Seng Road
3F, No. 198
Aerospace Technol-
Super Ocean Finance
#03-02
Zhongyuan Road
ogy Bldg.
Ctr.
PM Industrial Bldg.
Zhongli City
10th Kejinan Road
2067 Yan An Road
Singapore 368363
Taoyuan County 320
High-Tech Zone
West
Taiwan R. O. C.
Nanshan District
Shanghai 200336
Tel: 886 3 4356768
Shenzen, PR China
China
Tel: 65 6287 8998
Fax: 886 3 4356823 (Pulse)
Tel: 858 674 8100
Tel: 49 7032 78060
518057
Fax: 65 6287 8998
Fax: 886 3 4356820 (FRE)
Fax: 858 674 8262
Fax: 49 7032 7806 135
Tel: 86 755 33966678
Tel: 86 21 62787060
Fax: 86 755 33966700
Fax: 86 2162786973
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. © Copyright, 2012. Pulse Electronics, Inc. All rights reserved.
Pulse Worldwide
Headquarters
12220 World Trade Drive
San Diego, CA
92128
U.S.A.
Pulse Europe
Einsteinstrasse 1
D-71083 Herren-
berg
Germany
2
pulseelectronics.com
B920.A (02/12)
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