bothhand usa. e - mail: sales@bothhandusa.com http://www.bothhand.com 10 base - t low pass filter transmitter & receiver with com mon chokes apply to generic ic p/n:FB2028 data sheet page : 1 / 1 462 boston st - topsfield, ma 01983 - phone: 978 - 887 - 8050 - fax: 978 - 887 - 5434 a3(02/08) feature l ieee 802.3 and ieee 802.5 compatible. l designed to meet amd am79c98, at & t t7220 & ns dp83922 chip sets requirements. l integrated filter and isolation transfor mers in single 16 pin dap package. l low insertion loss characteristics. l cost effective designs. l operating temp erature range: 0 c to + 70 c . l storage temperature range: - 25 c to +125 c . electrical specifications @ 25c turns ratio (5%) part number tx rx cut - off freq uency hi - pot (vrms) FB2028 1 ct:1.41ct 1ct:1ct 17 mhz 1.5mhz 1500 continue insertion loss (db m ax) attenuation (db min) tx/rx return loss (db typ) cross talk atten uation (db min) cmr (db min) tx/rx part number 1 ? 10mhz 5 - 10mhz 20mhz 25mhz 30mhz 40mhz 5 - 10mhz 1 - 10 mhz 30 - 100mhz FB2028 - 1.0/rx - 1.2/tx - 7/ - 6 - 19/ - 14 - 30/ - 20 - 32/ - 31 - 17 - 30 - 30/ - 24 schemati c mechanica l
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