1 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 ? residential gateways cx2024/nl, cx2024a/nl & cx2149/nl mechanical schematic usa 858 674 8100 germany 49 7032 7806 0 singapore 65 6287 8998 shanghai 86 21 62787060 china 86 755 33966678 taiwan 886 3 4356768 electrical specifcations @ 25c - operating temperature -40c to +85c standard part number rohs-6 compliant part no. impedance ratio (pri:sec 2%) insertion loss phase unbalance (50/1000mhz) 10mhz (typ/max) 50-750mhz (typ/max) 750-1000mhz (typ/max) 10mhz (typ/min) 50-750mhz (typ/min) 750-1000mhz (typ/min) (50mhz) (100-1000mhz) cx2024 cx2024nl 1:1 0.46/1.00db 0.37/0.50db 0.48/0.60b >40/20db >30/20db 30/16db 20 ? max 1.4db max 1.25db max cx2024a cx2024anl 1:1 0.46/1.00db 0.37/0.50db 0.48/0.60b >40/20db >30/20db 30/16db 20 ? max 1.4db max 1.25db max cx2149 CX2149NL 1:1 0.40/1.00b 0.40/1.00b 0.6/1.0b >30/20db 30/20db 22/18db 4 ? from 180 ? 1.4db max 1.3db max notes: 1. part with cover plate is designated cx2024 a . optional tape & reel packaging can be ordered by adding a t sufx to the part numbe (ex: cx2024 t or cx2024a t ). tape & reel ............................................2000/reel tray ...........................................................100/tray power rating ................30 ma max; 0.25 w max dimensions: unless otherwise specifed, all tolerances are inches mm .010 0,25 amplitude unbalance return loss 2 1 50mhz (typ/max) 208mhz (typ/max) 870mhz (typ/max) 50mhz (typ/max) 208mhz (typ/max) 870mhz (typ/max) 50-870mhz 50mhz 100-870mhz 1 c217.c (05/12) pulseelectronics.com rf balun transformers for wideband rf applications
2 application notes notes from tables for more information a. bandwidth specifcations for cx2024 , cx2024a and cx2149 are for a 75 ? 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. 1. impedance and turns ratios are specifed primary :secondary. 2. these transformers are verifed to operate from -40 c to +85 c. contact applications engineering for performance data. pulse worldwide headquarters 12220 world trade drive san diego, ca 92128 u.s.a. tel: 858 674 8100 fax: 858 674 8262 pulse europe einsteinstrasse 1 d-71083 herren - berg germany tel: 49 7032 78060 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technol - ogy bldg. 10th kejinan road high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an road west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse south asia 135 joo seng road #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6287 8998 pulse north asia 3f, no. 198 zhongyuan road zhongli city taoyuan county 320 taiwan r. o. c. tel: 886 3 4356768 fax: 886 3 4356823 (pulse) fax: 886 3 4356820 (fre) performance warranty of products ofered on this data sheet is limited to the parameters specifed. 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, 2012. pulse electronics, inc. all rights reserved. pulseelectronics.com rf balun transformers for wideband rf applications c217.c (05/12)
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