RF BALUN TRANSFORMERS Transformers for Wideband RF Applications Low cost construction Miniature surface mount package Excellent insertion loss Ideal for balanced-to-unbalanced applications Designed for: · CATV Distribution/Drop Amplifiers · Set Top Boxes · Home Gateways Electrical Specifications @ 25°C â Operating Temperature -40°C to +85°C Part Number Impedance Ratio1 ( Pri:Sec - ±2%) 10 MHz (TYP / MAX) CX2024 1:1 0.46/1.00 dB Insertion Loss 2 50-750 MHz 750-1000 MHz (TYP / MAX) (TYP / MAX) 0.37/0.50 dB 0.48/0.60 dB 10 MHz (TYP / MIN) >40/20 dB Return Loss Phase Unbalance 50-750 MHz 750-1000 MHz (TYP / MIN) (TYP / MIN) (50-1000 MHz) >30/20 dB 30/16 dB Amplitude Unbalance (50 MHz) (100-1000 MHz) 20 deg. MAX 1.4 dB MAX 1.25 dB MAX NOTE: Optional cover plate available. Part with cover plate is designated CX2024A. Optional Tape & Reel packaging can be ordered by adding a âTâ suffix to the part number (ex: CX2024T or CX2024AT). Mechanical Schematic CX2024 .202 ± .015 5,13 ± 0,38 6 5 .109 .229 2,77 5,82 4 .204 ± .015 5,18 ± 0,38 1 2 3 .154 dia. 3,90 dia. .158 4,01 NOTE: CX2024A has optional cover plate 3 4 PRI : SEC .160 MAX 4,06 Tape & Reel . . . . . . . . . . . . . . . . . . . . . .2000 /reel Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 /tray Power Rating . . . . . . . . .30 mA MAX; 0.25 W MAX .079 2,01 6X.040 1,02 PIN 1 6 SUGGESTED PAD LAYOUT .140 MAX 3,56 .158 4,01 6X.050 1,27 .079 2,01 1 Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 6X.040 1,02 US 858 674 8100 UK 44 1483 401 700 France 33 3 84 35 04 04 Singapore 65 287 8998 Taiwan 886 2 2698 0228 Hong Kong 852 2788 6588 http://www.pulseeng.com · · · · · · PRELIMINARY C217.P (12/01) RF BALUN TRANSFORMERS Transformers for Wideband RF Applications Application Notes A. Bandwidth specifications for CX2024 are for a 75 W system. B. Materials used in the products are UL94-V0 recognized. Products meet requirements of IEC 695-2-2 (Needle Flame Test). C. For additional impedance ratios and frequency ranges, please contact Applications Engineering. D. Pick and place operation: smooth upper surface of device allows automatic pick and place. Notes from Tables 1. Impedance and turns ratios are specified primary:secondary. 2. These transformers are verified to operate from -40°C to +85°C. Contact Applications Engineering for performance data. CX2024 - Amplitude -1 1 2 -3 3 4 Amplitude 1 -2 (dB) Insertion Loss (dB) CX2024 - Typical Insertion Loss 0 1 10 100 -4 Amplitude 2 1000 Frequency (MHz) 1 CX2024 - Phase Unbalance 1000 Frequency (MHz) CX2024 - Amplitude Unbalance 180° -0.8 178° -1.2 (dB) Phase -0.4 176° 174° 172° 1 Frequency (MHz) 1000 1 Frequency (MHz) 1000 For More Information : UNITED STATES (Worldwide) UNITED KINGDOM (Northern Europe) FRANCE SINGAPORE (Southern Europe) (Southern Asia) TAIWAN, R.O.C. (Northern Asia) HONG KONG (Great China) 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 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 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 287 8998 FAX: 65 280 0080 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 C217.P (12/01)