RF TRANSFORMER For Wideband RF Applications For single-ended to balanced applications Value-oriented construction Miniature surface mount package Excellent insertion loss Designed for CATV Distribution/Drop Amplifiers, Set Top Boxes and Home Gateways Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C Part Number Impedance Ratio1 Pri:Sec (±2%) (10-50 MHz) CX2072 1:1 1.0 dB MAX (10-50 MHz) (50-100 MHz) Phase Unbalance (10-1000 MHz) >40/20 dB TYP/MIN >30/20 dB TYP/MIN 6 deg. MAX Insertion Loss Return Loss (50-870 MHz) (870-1000 MHz) 0.5 dB MAX 0.7 dB MAX Amplitude Unbalance (10-1000 MHz) 1 dB MAX NOTE: Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: CX2072T). Mechanical Schematic CX2072 .169 ± .004 4,30 ± 0,10 .106 2,69 CX2072 Date Code Country of Origin .209 ± .004 5,30 ± 0,10 .114 2,90 .236 6,00 6 1 4 3 PRI : SEC Pin 1 .059 1,50 .118 3,00 .028 ± .004 0,71 ± 0,10 .059 1,50 .118 3,00 5X .039 1,00 SUGGESTED PAD LAYOUT Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 .150 MAX 3,81 MAX .003 ± .002 0,08 ± 0,05 .002/0,05 5 SURFACES Weight . . . . . . . . . . . . . .0.43 grams Tape & Reel . . . . . . . . . .2200 /reel Tray . . . . . . . . . . . . . . . . .100 /tray 5X .030 0,76 5X 0° 8° US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 6287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com C227.A (2/04) RF TRANSFORMER For Wideband RF Applications Application Notes A. Bandwidth specifications for CX2072 are for a 75Ω system. C. For additional impedance ratios and frequency ranges, please contact Applications Engineering. B. Materials used in the products are UL94-V0 recognized. Products meet requirements of IEC 695-2-2 (Needle Flame Test). 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. Insertion Loss (dB) CX2072 - Typical Insertion Loss 0 1 2 3 4 1 10 1000 100 Frequency (MHz) CX2072 - Phase Unbalance CX2072 - Amplitude Unbalance 180° 0.0 178° -0.5 (dB) Phase +0.5 176° 174° 172° 1 50 500 Frequency (MHz) 1000 1 500 1000 Frequency (MHz) For More Information : UNITED STATES (Worldwide) UNITED KINGDOM (Northern Europe) FRANCE SINGAPORE (Southern Europe) (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 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 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 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 TEL: 65 6287 8998 FAX: 65 6280 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. ©2004, Pulse Engineering, Inc. All Rights Reserved. C227.A (2/04)