VDSL TRANSFORMERS
For Use with Broadcom
®
BCM 6010/6020
Supports speeds up to 25.92 Mbps
Provides two-wire to four-wire conversion
Surface mount or through hole package
Electrical Specifications @ 25°C — Operating Temperature 0°C to 70°C
Part
Number
B4008 (THT)
B4025 (SMT)
Turns Ratio
Trans. Rec.
DCR
(MAX)
Return Loss
(dB MIN)
138 kHz to 1 MHz: 13.5
2:1
1:1
0.5
Ω
1 MHz to 20 MHz: 20
138 kHz to 20 MHz: 0.5
1 MHz to 20 MHz: 25
Insertion Loss*
(dB MAX)
Transhybrid
Loss
(dB MIN)
138 kHz to 1 MHz: 30
Longitudinal
Balance
(dB MIN)
138 kHz to 300 kHz: 60
300 kHz to 1 MHz: 50
1 MHz to 20 MHz: 30
2000
Isolation
Voltage
(Vrms)
NOTE:
Common Mode Chokes to reduce common mode ingress from AM Broadcast or HAM Radios are available. See data sheet B912 for parts B4001 and B4003.
Surge Voltage Capability:
Metallic: 800 Vpeak 10/560 µsec. Long.: 2400 Vpeak 10/700 µsec.
Surge over the Extended Temperature Range:
Insertion Loss can increase to 1 dB. Return Loss can drop to 7 dB from 138 kHz to 300 kHz, and 12 dB from 300 kHz to 1 MHz.
Mechanicals
B4008
1.000
25,40 MAX
B4008
.405 MAX
10,29
B4025
.100
2,54
.700
17,78
B4025
Date Code Country of Origin
.505 MAX
12,83
Date Code
Country of Origin
.540
13,72
.300 MAX
7,62
.100
2,54
.700
17,78
1.005 MAX
25,53
.235 MAX
5,97
.004/0,10
16 SURFACES
.012
0,30
.040
1,02
.100
2,54
SUGGESTED PAD LAYOUT
.395
10,03
0° – 8°
16 x .040
1,02
.100
2,54
.200
5,08
.300
7,62
.020
DIA 13X 0,51
.120
3,05
Schematics
B4008
1
2
4
5
1:1
2:1
19
17
B4025
1
2
4
5
12
13
7
8
2:1
16
15
Weight...............2.8
grams
Tube......................20/tube
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
6
7
9
10
14
13
12
1:1
11
10
For More Information :
UNITED STATES
(Worldwide)
12220 World Trade Drive
San Diego, CA 92128
U.S.A.
http://www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pin 13: Internal connection only
Pin 10:
Internal connection only
9
UNITED KINGDOM
(Northern Europe)
1 & 2 Huxley Road
The Surrey Research Park
Guildford, Surrey GU2 5RE
United Kingdom
TEL: 44 1483 401700
FAX: 44 1483 401701
FRANCE
SINGAPORE
(Southern Europe) (Southern Asia)
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 6287 8998
FAX: 65 6280 0080
TAIWAN, R.O.C.
(Northern Asia)
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
HONG KONG
(China/Hong Kong)
9/F, Phase 2, Tai Sang
Shatin Warehouse Centre
6 Wong Chuk Yeung Street
Fotan, Shatin, Hong Kong
TEL: 852 2788 6588
FAX: 852 2776 1055
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 products and/or registered trademarks of their respective owners.
Printed on recycled paper. ©2003, Pulse Engineering, Inc.
B925.A (11/03)
Industrial Control Electronics
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