c o p p e r h e a d tm high speed dual transformers ??? ???? ???? ??? ???? ???? ????? ?????? ????? ?????? ??????????? ????????? ? ???????????????? ???? ???? ????? ????? ??? ??? ???? ???? ?????? ???? ???? ??? ???? ???? ???? ???? ???? ???? ???? ???? ????? ????? ???????????? ????? ???? ?????????? ?????????? ???? ???? ??? ????? ? ???? ??? ???? ???? ?? ? ? ? ?? ?? ?? ? ? ? ? ?? ?? ? ? ?? mechanical schematic part turns ratio primary inductance rise time dc resistance hi-pot insertion loss application number (5%) (h min) @ 20& to 80% ( w max) (vrms min) (db max) nominal bit rate (ps max) (mbaud) t-330sct 1ct:1ct 26 @ 1vrms, 100khz 350 0.2 1,500 -1.5 @ 15-165mhz 265.6 (1/4 speed) t-531sct 1ct:1ct 7.5@1vrms, 100khz 325 0.2 1,500 -2.0 @ 50-265mhz 531 (half speed) t-1062sct 1ct:1ct 3.75@1vrms, 100khz 280 0.2 1,500 -2.0 @ 100-531mhz 1,062.5 (full speed) T-1250SCT 1ct:1ct 3.75@1vrms, 100khz 280 0.2 1,500 - 2.0@125-650mhz 1,250 t-1485sct 1ct:1ct 3.75@1vrms, 100khz 280 0.2 1,500 -2.0 1,485 (smtpe) t-3200sct 1:1 0.70 200 0.2 1,500 -4.5 3,200 notes: 1. to order a rohs compliant part, add the suffix nl to the part number, i.e. t-330sct becomes t-330sctnl. 2. add suffix t to part number for tape & reel package (i.e. t-330sct t ). electrical specifications @ 25c operating temperature -55c to +125c compliant with ansi x3t111, fiber channel, fc-ph-3 for quarter/full speed applications, smpte, ieee1394 firewire moisture sensitivity level 3 pick and place compatible ic grade package withstands 225c peak temperature profile as9100 certified (based on and including iso 9001:2000) t-330sct, t-531sct, t-1062sct, T-1250SCT and t-1485sct weight ............... 1.0 grams tape & reel ............ 400/reel dimensions: inches mm unless otherwise specified, all tolerances are .005 0,13 military / aerospace division usa 215 781 6400 germany 49 7032 7806 0 singapore 65 6287 8998 shanghai 86 21 32181071 china 86 755 33966678 taiwan 886 3 4643715 www.pulseeng.com m105.d (2/10)
c o p p e r h e a d tm high speed dual transformers ??? ???? ???? ??? ???? ???? ??? ???? ???? ????? ?????? ????? ?????? ? ???????? ????????? ? ???????????????? ???? ??? ? ????? ????? ??? ???? ???? ??? ??? ???? ???? ??????? ???? ???? ??? ???? ???? ???? ???? ???? ???? ???? ???? ????? ????? ???????????? ????? ???? ?????????? ?????????? ???? ???? ?? ? ? ? ?? ?? ?? ? ? ? ? ?? ?? ? ? ?? application notes mechanical schematic ?????????? ??????? ??????????????????? ??? ??? ??? ??? ? ?? ?? ?? ? ? ? ? ?? ?? ?? ?? ?????? ???? ?????? ???? ???? ??????? ???? ? ? ? ? ? ? ? ? ? ??????? ??? ??????? ??? ? ?? ?? ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ???? ??????? ???? ?? ?? ?? ?? ?????? ??????? ??????? ??? ?????? ???? ?????? ??? ????????? ???????? ???????? ????????? ? ??????? ?? ? ???????? ? ??????? ?? ? ???????? ??????? ??? t-3200sct pulse specialty components has designed fibre channel dual trans - formers specifically for point to point coupling to 150 twinax cable. the isolation transformers protect the station from static charges that may develop on the cable, and prevents ground loop currents from being transferred between stations. the devices have also been designed to provide common mode rejection within the transmission band and thus reduce emi. the wide bandwidth of these devices minimizes data dependent jitter by providing fast signal rise times. low-end bandwidth also minimizes base-line wander, another con - tributor to jitter. the dual package allows connection of both transmit and receive channels, as shown in the application circuit below. surface-mount packaging also allows a cost-effective solution. 1. the transformer, 51 w resistors, and the impedance of the driver are matched to achieve the best return loss (s11) for the transmit - ter of the 150 w system. 2. the total impedance of termination resistor network is 150 w . 3. when laying out pcb, transmission line methods must be utilized to maintain return loss and signal integrity. transformer must be located within .50 of the db9 connector. 4. it is recommended that the center tap (ct) of transformer(s), cable side, be connected to earth/chassis (cable shield) ground either directly or via a transient voltage suppressor (tvs) type compo - nent and earth/chassis ground should be ac-coupled to signal (digital) ground through a .027uf, 500v capacitor. weight ............... 1.0 grams tape & reel ............ 600/reel dimensions: inches mm unless otherwise specified, all tolerances are .005 0,13 military / aerospace division www.pulseeng.com m105.d (2/10) pulse worldwide headquarters two pearl buck court bristol, pa 19007 u.s.a. www.pulseeng.com tel: 215 781 6400 fax: 215 781 6403 pulse south asia 135 joo seng rd. #03-02 pm industrial bldg. singapore 368363 tel: 65 6287 8998 fax: 65 6280 0080 pulse north asia no. 26, kao ching rd. yang mei chen taoyuan hsien taiwan r. o. c. tel: 886 3 4643715 fax: 886 3 4641911 pulse north china room 2704/2705 super ocean finance ctr. 2067 yan an rd. west shanghai 200336 china tel: 86 21 62787060 fax: 86 2162786973 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 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, 2010. pulse engineering, inc. all rights reserved. pulse china headquarters b402, shenzhen academy of aerospace technology bldg. 10th kejinan rd. high-tech zone nanshan district shenzen, pr china 518057 tel: 86 755 33966678 fax: 86 755 33966700 for more information:
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