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°C — Operating Temperature -40°C to +85°C Part Number B4020 (THT) Line Impedance (Ω) Turns Ratio Inductance (µH MIN) Return Loss (dB MIN) Insertion Loss* (dB MAX) 1CT:1CT 190 300 kHz to 1 MHz: 18 1 MHz to 11 MHz: 20 11 MHz to 30 MHz: 16 200 kHz to 1 MHz: 0.8 300 kHz to 20 MHz: 20 200 kHz to 400 kHz: .75 20 MHz to 30 MHz: 18 400 kHz to 30 MHz: .50 300 kHz to 1 MHz: 15 1 MHz to 20 MHz: 20 20 MHz to 30 MHz: 17 200 kHz to 400 kHz: 0.75 BX4055 (SMT) 1:1 190 B4021 (SMT) 1CT:1CT BX4056 (SMT) 1:1.16 190 100 1 MHz to 30 MHz: 0.7 400 kHz to 30 MHz: 0.60 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: 40 100 135 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 1500 NOTES - Surge Voltage Capability: Metallic: 800 Vpeak 10/560 µsec. Long.: 2400 Vpeak 10/700 µsec. 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 2 Schematics .100 2,54 .250 MAX 6,35 5 3 1 .350 MAX 8,89 .200 5,08 .130 3,30 .400 10,16 Weight...............1.2 grams Tube......................60/tube Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 Notes: Leads are 24 AWG solderable. Unused pins not provided. B4021/BX4055/BX4056 6 .390 9,91 5 4 B4021 BX4055/56 DATE CODE 2 1 3 .300 MAX 7,62 3 2 1 .258 6,55 .275 MAX 7,00 .040 1,02 .240 6,10 4 5 6 B4021 3 .075 1,91 1 SUGGESTED PAD LAYOUT .250 MAX 6,35 For More Information : 6 4 2 4 BX4055 & BX4056 6 Weight...............0.6 grams Tube......................70/tube Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 .100 2,54 .200 5,08 UNITED STATES (Worldwide) UNITED KINGDOM (Northern Europe) FRANCE (Southern Europe) SINGAPORE (Southern Asia) TAIWAN, R.O.C. (Northern Asia) HONG KONG (China/Hong Kong) 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 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. ©2002, Pulse Engineering, Inc. B981.A (9/02)