preliminary b979.p (4/01) mechanical for use with centillium's copperflite? ct-l50sc04/ct-l50st81 and copperlite? ct-l21sc08/ct-l41sc04 chipsets excellent thd performance small footprint schematics
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weight . . . . . . . . . . . . . .6.2 grams tray . . . . . . . . . . . . . . . . . .60/tray for more information : performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change w ithout 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. adsl line transformers for use with centillium chipsets dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 united states (worldwide) 12220 world trade drive san diego, ca 92128 u.s.a. http://www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 united kingdom (northern europe) 1 & 2 huxley road the surrey research park guildford, surrey gu2 5re united kingdom tel: 44 1483 401700 fax: 44 1483 401701 france (southern europe) zone industrielle f-39270 orgelet france tel: 33 3 84 35 04 04 fax: 33 3 84 25 46 41 taiwan, r.o.c. (northern asia) 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 singapore (southern asia) 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 287 8998 fax:65 280 0080 distributor turns ratio ocl leakage inductance part mounting matched to application ( 2%) ( 10%) @ 100 khz, 0.1 v number chipset number (line - chip) (1-4) with (2-3) short (1-4) with (2-3), (7-10) and (8-9) short b2178 smt ct-l21sc08/ct-l41sc04 co 1:1 450 h @ 10 khz, 0.1 v 5.0 h max b2189 smt ct-l50sc04/ct-l50st81 co/cpe 1.8:1 450 h @ 30 khz, 0.1 v 7.0 h max part thd dc resistance isolation voltage longitudinal balance number (linearity typ - 10 khz, 3.0 vrms) line side chip side (vrms) (from 10 khz to 1.1 mhz) (1-4) with (2-3) short (10-7) with (9-8) short b2178 -67 db 1.3 w max 1.3 w max 1500 -50 db b2189 -67 db 1.3 w max 0.9 w max 1500 -50 db note: transformers are shipped in trays unless tape & reel packaging is specified by adding the suffix ?t? to the part number (i.e. b2178 t ). electrical specifications @ 25c ? operating temperature -40c to +85c additional electrical specifications
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