0.920 23.37 0.500 12.70 .018 0.46 16x .040 .004 1.02 16x .100 2.54 0.700 17.78 0.380 9.65 0.100 2.54 .090 2.29 0.540 13.72 16x .040 1.02 16x 0.100 {=0.700} 2.54 {=17.78} 16x .040 16x 1.02 0.225 5.72 0 8 7x 10B-2001 date code countr y of or igin suggested smd p ad la y out mechanical 10B-2001 pulse ja ck e l e c t r o n i c s fully integrated 10base-t module for adapter, hub, and motherboard applications. designed to meet ieee802.3i-1993 10base-t specifications. low profile surface mount package 235 c peak infrared reflow temperature rating operating temperature -40 c to +85 c. parts can be screened to mil-t-21038 and other military specific requirements. weight ............... 2.5 grams dimensions: inches mm unless otherwise specified, all tolerances are 0.010 0.254 military grade 10base-t interface module m156.a (04/11) 1 pulseelectronics.com notes: 1. receive and transmit sides meet ieee 8023i-1993 specification, transmit side is enhanced for fcc/vde class b system emissions requirement. 2. specifications reflect filter sections, additional attenuation is due to pre-distortion resistors. 3 . a rohs compliant version part is available. (10B-2001nl) electrical specifications @ 25c operating temperature -40c to +85c part number insertion loss 1-10mhz (db max) 1 attenuation xmit (db min) 1 return loss 5 to 10 mhz (db min) crosstalk (db min) common mode rejection (db min) pri-sec isolation (vrms min) 10B-2001 -10 -30 30 mhz -35 50 mhz -35 50 mhz -18 100 ohms -15 98 13 ohms -35 5-10 mhz -60 5-10 mhz -55 50 mhz -50 100 mhz -45 200 mhz 1500
1 3 5 7 8 6 100 ? lo w p ass fil ter lo w p ass fil ter 16 14 12 10 9 11 100 ? lo w p ass fil ter lo w p ass fil ter chip side transmit channel utp side chip side receive channel utp side schematic pulse ja ck e l e c t r o n i c s military grade 10base-t interface module m156.a (04/11) 2 pulseelectronics.com application notes the module contains low pass flters, isolation transformers, and common mode chokes. these components provide impedance matching, equipment isolation, and emi compression to comply with ieee requirements. user compliance with fcc/cspr class b requirements can be achieved by applying rigorous design guidelines to suppress noise mechanisms. attention to high frequency signal paths, proper pcb grounding techniques, and component placement is critical. pins 5 and 12, when grounded, provide noise return paths. at least one of these (typically pin 12) must be coupled with bypass capacitor. recommended module orientation with respect to rj45 connector is illustrated in the application circuit. output pins 6 through 11 should be routed with short, matched traces to the connector for optimum emi performance. the robust mechanical package withstands ir refow temperatures up to 235 c. compliant leads provide excellent solder-joint reliability with k.002 coplanarity. modules are shipped in tubes.
txp - txd + txd - txp + td - utp td + rd - rj-45 connect or rd + rxi - rxi + lpf lpf lpf lpf tr ansceiv er chip 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 100 0.1 ? f for more information pulse worldwide headquarters two pearl buck court bristol, pa 19007 u.s.a. tel: 215 781 6400 fax: 215 781 6403 pulse europe einsteinstrasse 1 d-71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 135 pulse china headquarters b402, shenzhen academy of aerospace technology 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, 2011. pulse electronics, inc. all rights reserved. m156.a (04/11) 3 pulseelectronics.com pulse ja ck e l e c t r o n i c s military-grade 10base-t interface module typical application circuit note: resistors not included in module
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