ETC B1056

HDSL2/G.SHDSL TRANSFORMER
For Level One Chipsets
Matched to Level One's SK70743, LXT772 and LXT776 chipsets
Excellent THD performance
Maximum height .485" (12,32 mm)
Designed to meet UL 1950 supplementary insulation
requirements for working voltages up to 250 Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
Part
Number
Mounting
Turns Ratio
Chip - Line
(±2%)
Inductance - Line Side
@10 kHz,100 mV
DC Resistance
Leakage Inductance - Line Side
@ 100 kHz, 0.02 Vrms
2
B1056 1
SMT
1CT:3CS
2.0 mH ±10%
(1-5) with (2-4) shorted
20 µH MAX
(1-5) with (2-4) and (6,7,8,9) shorted
B1083
THT
1:3CS
2.25 mH ±10%
(2-5) with (4-1) shorted
8 µH MAX
(2-5) with (4-1) and (10-6) shorted
Line Side
£
£
2.05 W MAX
(1-4) = (2-5)
3.30 W MAX
(2-4) = (1-5)
Chip Side
£
£
0.50 W MAX
(1-4) = (2-5)
0.75 W MAX
(10-6)
Additional Electrical Specifications
Part
Number
Longitudinal Balance
B1056 1
£
B1083
£
-45 dB (20 KHz to 400 KHz)
-53 dB (10 KHz to 400 KHz)
Interwinding Capacitance
(@ 100 kHz, 0.1 Vrms)
THD
£
£
-70 dB (@ 10 kHz, 5.0 Vrms)
-71 dB (@ 15 kHz, 3.8 Vrms)
£
60 pF
Isolation
Voltage
Return Loss
³
Not Specified
16 dB (from 40 kHz to 300 kHz)
12 dB (from 50 kHz to 2 MHz)
³
1500 Vrms
1500 Vrms
1
Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix “T” to the part number (i.e. B1056T).
2
DC bias current: 0 to 100 mA.
Mechanicals
B1083
B1056
B1083
Date Code
Country of Mfg.
Weight . . . . .6.2 grams
Tray . . . . . . . . .60/tray
10 X .028 ± .002
0,71 ± 0,05
.695
17,65 MAX
.530
13,46
MAX
.500
12,70MAX
10 X
.018
0,46
Schematics
.173 ± .015
4,39 ± 0,38
.394
10,00
.550
13,97MAX
B1056
Date Code
Country of Mfg.
.605
15,37
.098
2,50
.394
10,00
MAX
.394
10,00
10 X .051 ± .002
1,30 ± 0,05
.516
13,11MAX
.485
12,32
MAX
.098
2,50
.394
10,00
.547
13,89MAX
10 X 0° – 8°
Dimensions: Inches
mm
1
.100
2,54
Line
.031 ± .006
10 X
0,79 ± 0,15
7
2
8
2
.004 MIN
0,10
.005/0,13
10 SURFACES
Unless otherwise specified, all tolerances are ± .010
0,25
Line
9
4
5
.098
2,50
3:1
B1056
6
3:1
4
10
Chip
6
1
5
Chip
B1083
For More Information :
UNITED STATES
(Worldwide)
UNITED KINGDOM
(Northern Europe)
FRANCE
(Southern Europe)
SINGAPORE
(Southern Asia)
TAIWAN, R.O.C.
(Northern Asia)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
Zone Industrielle
F-39270
Orgelet
France
TEL: 33 3 84 35 04 04
FAX: 33 3 84 25 46 41
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX:65 280 0080
3F-4, No. 81, Sec. 1
HsinTai Wu Road
Hsi-Chih, Taipei Hsien
Taiwan, R.O.C.
Tel: 886 2 2698 0228
FAX: 886 2 2698 0948
DISTRIBUTOR
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.
Printed on recycled paper. ©2001, Pulse Engineering, Inc.
PRELIMINARY B965.P (4/01 )