RF TRANSFORMER For Wideband RF Applications For single-ended to balanced applications Value-oriented construction Small surface mount package Excellent insertion loss Various impedance ratios available Electrical Specifications @ 25°C Standard RoHS-6 Part Compliant Number Part No. C2073 C2073NL C2073A C2073ANL Impedance Ratio 1 Pri:Sec (±2%) Turns Ratio 1 Pri:Sec (±2%) 1:4CT 1:2CT Insertion Loss 2 (dB TYP/MAX) 5-65MHz: 0.50/0.70 65-200MHz: 0.80/1.20 Amplitude Balance 2 (dB TYP/MAX) 5-65MHz: 0.01/0.02 65-200MHz: 0.02/0.05 Phase Balance 2 (degrees TYP/MAX) 5-65MHz: 0.4/2.0 65-200MHz: 2.0/5.0 Return Loss (dB TYP/MIN) 5-65MHz: 20/15 65-200MHz: 13/7.0 CX2148 CX2148NL 5-50 MHz: 5-50 MHz: 5-50 MHz: 5-50 MHz: 1:1CT 1:1CT 0.50dB MAX 0.10dB MAX 2° MAX 20dB MIN CX2148A CX2148ANL NOTE: Part with cover plate is designated C2073A or CX2148A. Optional Tape & Reel packaging can be ordered by adding a “T” suffix to the part number (ex: C2073T, C2073AT or C2073NLT). Mechanical Schematic C2073/CX2148 .154 dia. 3,91 dia. .106 2,69 .169 ± .004 4,30 ± 0,10 C2073/CX2148 Date Code Country of Origin .114 2,90 .209 ± .004 5,30 ± 0,10 2 3 Pin 1 .059 1,50 .118 3,00 .028 ± .004 0,71 ± 0,10 .059 1,50 .118 3,00 6 1 .236 6,00 SEC:PRI 4 5X .039 1,00 SUGGESTED PAD LAYOUT Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 0,25 NOTE: C2073A and CX2148A has optional cover plate .150 MAX 3,81 MAX .003 ± .002 0,08 ± 0,05 .002/0,05 5 SURFACES 5X .030 0,76 5X 0° 8° USA 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 6287 8998 • Shanghai 86 21 54643211 / 2 • China 86 769 5538070 • Taiwan 886 3 4641811 www.pulseeng.com C224.B (2/06) RF TRANSFORMER For Wideband RF Applications Application Notes A. Materials used in the products are UL94-V0 recognized. Products meet requirements of IEC 695-2-2 (Needle Flame Test). B. For additional impedance ratios and frequency ranges, please contact Applications Engineering. C. For performance plots of CX2148 and CX2148A, please contact Applications Engineering. Notes from Tables Insertion Loss (dB) 1. Impedance and turns ratios are specified primary:secondary. (CT=Center Tap). 2. For CX2148 and CX2148A, Insertion Loss, Amplitude Balance andPhase Balance are measured on balanced side (secondary output pins 1 and 3) relative to ground pin (pin 2). C2073 / C2073A - Typical Insertion Loss 0 1 2 3 4 0.1 1 10 Frequency (MHz) 100 500 Tape and Reel Information .079 2,00 .157 4,00 CIRCULAR HOLES .069 1,75 PIN 1 .295 7,50 Weight . . . . . . . . . . . . . 0.43 grams Tape & Reel. . . . . . . . . . 2000 /reel Tray . . . . . . . . . . . . . . . . . 100 /tray .630 16,00 USER DIRECTION OF FEED QTY: 2200 PCS / REEL .315 8,00 For More Information: Pulse Worldwide Headquarters Pulse Northern Europe Pulse Southern Europe Pulse Pulse North China China Headquarters Room 1503 12220 World Trade Drive San Diego, CA 92128 U.S.A. www.pulseeng.com TEL: 858 674 8100 FAX: 858 674 8262 3 Huxley Road 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 No. 1 Industrial District Changan, Dongguan China TEL: 86 769 5538070 FAX: 86 769 5538870 XinYin Building No. 888 YiShan Road Shanghai 200233 China TEL: 86 21 54643211/2 FAX: 86 21 54643210 Pulse South Asia Pulse North Asia 150 Kampong Ampat #07-01/02 KA Centre Singapore 368324 No. 26 Kao Ching Road Yang Mei Chen Taoyuan Hsien Taiwan, R. O. C. TEL: 886 3 4641811 FAX: 886 3 4641911 TEL: 65 6287 8998 FAX: 65 6280 0080 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. © Copyright, 2006. Pulse Engineering, Inc. All rights reserved. www.pulseeng.com C224.B (2/06)