VDSL TRANSFORMERS
For Use with Broadcom and Texas
Instruments Chipset
For use with Broadcom's BCM6315 transceiver chip
B4020, B4021 and BX4055: for use with Texas
Instrument's TNETD800 chipset
Excellent return loss and balance
Surface mount or through hole package
Electrical Specifications @ 25擄C 鈥?Operating Temperature -40擄C to +85擄C
Part
Number
B4020 (THT)
BX4055 (SMT)
B4021 (SMT)
BX4056 (SMT)
Turns
Ratio
1CT:1CT
1:1
190
1CT:1CT
1:1.16
190
Inductance
(碌H MIN)
190
Return Loss
(dB MIN)
300 kHz to 1 MHz: 18
1 MHz to 11 MHz: 20
11 MHz to 30 MHz: 16
300 kHz to 20 MHz: 20
20 MHz to 30 MHz: 18
300 kHz to 1 MHz: 15
1 MHz to 20 MHz: 20
20 MHz to 30 MHz: 17
Insertion Loss*
(dB MAX)
200 kHz to 1 MHz: 0.8
1 MHz to 30 MHz: 0.7
200 kHz to 400 kHz: .75
400 kHz to 30 MHz: .50
200 kHz to 400 kHz: 0.75
400 kHz to 30 MHz: 0.60
100
Line
Impedance
(鈩?
100
Longitudinal
Balance
(dB TYP)
200 kHz: 60
11 MHz: 42
100 MHz: 30
200 kHz: 60
11 MHz: 50
100 MHz: 40
200 kHz: 60
11 MHz: 50
100 MHz: 40
CM Rejection
(dB TYP)
10 MHz: 35
30 MHz: 33
100 MHz: 25
10 MHz: 35
30 MHz: 33
100 MHz: 30
10 MHz: 35
30 MHz: 33
100 MHz: 30
Isolation
Voltage
(Vrms)
3000
1500
135
1500
NOTES - Surge Voltage Capability:
Metallic: 800 Vpeak 10/560 碌sec. Long.: 2400 Vpeak 10/700 碌sec.
B4020
is designed to meet the requirements for supplementary isolation according
to IEC950. 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.
Mechanicals
B4020
.500 MAX
12,70
5
3
1
6
B4020
4
Date Code
Schematics
.100
2,54
.250 MAX
6,35
.350 MAX
8,89
.130
3,30
5
3
1
Weight...............1.2
grams
Tube......................60/tube
6
4
2
2
.200
5,08
.400
10,16
Notes: Leads are 24 AWG solderable.
Unused pins not provided.
6
5
4
.258
6,55
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are 鹵 .010
0,25
B4021/BX4055/BX4056
.390
9,91
B4021
BX4055/56
DATE CODE
.275 MAX
7,00
.040
1,02
.240
6,10
3
2
1
.075
1,91
B4021
4
5
6
4
3
1
BX4055 & BX4056
1
2
3
.300 MAX
7,62
SUGGESTED PAD LAYOUT
6
.250 MAX
6,35
.100
2,54
.200
5,08
Weight...............0.6
grams
Tube......................70/tube
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are 鹵 .010
0,25
For More Information :
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Orgelet
France
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(Southern Asia)
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#07-01/02
KA Centre
Singapore 368324
TEL: 65 287 8998
FAX: 65 280 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
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(China/Hong Kong)
19/F, China United Plaza
1008 Tai Nan West Street
Cheung Sha Wan, Kowloon
Hong Kong, China
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. 漏2002, Pulse Engineering, Inc.
B981.A (9/02)
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