1 transforms a balanced differential signal to a 50 , grounded, unbalanced signal for testing differential cable designed for standard test equipment with sma connectors wide bandwidth 1.0 mhz C 1.2 ghz operating temperature range from 0 c to 70 c electrical specifcations @ 25c operating temperature 0 c to +70 c part number* impedance ( ) irated (a) insertion loss (db max) 1.0 mhz - 1.2 ghz return loss (db min) 1.0 mhz - 1.2 ghz unbalanced balanced hfb050150 50 150 -2 15 hfb050100 50 100 -2 15 HFB050078 50 78 -2 15 hfb050xxx mechanical schematic weight ........................ 40.0 grams max packaging ............................ 1 per box dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 special ty components patent no. us6590469 hfb050xxx serial no. 1.140 max 28,96 1.510 max 38,35 1 3 2 .900 max 22,86 connect or, sma, 50 connect or, header 3 sockets fits o.025 - .035 pins 0,64 - 0,89 1 3 2 150 50 1 3 2 150 50 m100.q (3/13) pulseelectronics.com high frequency balun adapter for 150 fibre channel , 100 gigabit ethernet and 78 high speed 1553 military/aerospace grade/specialty components
2 application notes for more information pulse north america headquarters two pearl buck court bristol, pa 19007 u.s.a. tel: 215 781 6400 fax: 215 781 6403 pulse europe zeppelinstrasse 15 71083 herrenberg germany tel: 49 7032 7806 0 fax: 49 7032 7806 12 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 (32068) taiwan tel: 886 3 4356768 fax: 886 3 4356823 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, 2013. pulse electronics, inc. all rights reserved. the specialty components division has developed a high frequency balun for test and measurement applications. wide bandwidth and high frequency response makes thisdevice ideal for diferential mode measurement in high speed applications such as fibre channel, gigabit ethernet and next genera - tion mil-std-1553. the balun allows design engineers to characterize dif - ferential mode devices using single-ended test equipment as shown below. 1 3 2 network anal yzer 50 user?s differential interf ace 150 twinax cable psc balun p/n hfb050150 insertion loss s21 is measured with two units connected back to back as shown. note 1: correct value of s21 for each dut will be 1/2 of the value shown in graph. note 2: return loss s1 1 is measured on 50 ohm port with 150 ohms termination on balance port. t ypical return loss - s1 1 50 ohm unbalanced port t ypical insertion loss - s21 t wo baluns configured back to back -4 db 1.2 ghz 1.0 mhz 1.2 ghz 0 db .5 db/div -15 db 2 db/div 1.0 mhz network anal yzer ch-1 ch-2 dut #1 dut #2 frequency (mhz) attenuation (db) frequency (mhz) attenuation (db) m100.q (3/13) pulseelectronics.com high frequency balun adapter for 150 fibre channel , 100 gigabit ethernet and 78 high speed 1553 military/aerospace grade/specialty components
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