TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ vi telefilter filter specification tfs 70 g - page 1 / 3 ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ vi telefilter vectron international, inc. potsdamer stra?e 18 267 lowell road d 14 513 teltow / germany hudson, nh 03051 / usa tel: (+49) 3328 4784-52 / fax: (+49) 3328 4784-30 tel: (603) 598-0070 fax: (603) 598-0075 e-mail: tft@telefilter.com e-mail: vti@vtinh.com ______________________________________________________________________________________________________ vi telefilter reserves the right to make changes to the product(s) and/or information contained herein without notice. no liab ility is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or infor mation measurement condition ambient temperature: 23 c input power level: 0 dbm source impedance: 50 ? and test adapter load impedance: 50 ? and test adapter characteristics remark: reference level for the relative attenuation a rel of the tfs 70 g is the minimum of the pass band attenuation a min . the minimum of the pass band attenuation a min is defined as the insertion loss a e . the centre frequency f o is the arithmetic mean value of the upper and lower frequencies at the 3db filter attenuation level relative to the insertion loss a e . the nominal frequency f n is fixed on 70,00 mhz without tolerance. the given values for the relative attenuation a rel and for the group delay ripple have to be reached at the frequencies given below also if the centre frequency f o is shifted due to the temperature coefficient of frequency tc f in the operating temperature range and due to a production tolerance for the centre frequency f o . d a t a typ. value tolerance / limit ______________________________________________________________________________________________________ insertion loss a e 22 db (reference level) ______________________________________________________________________________________________________ nominal frequency f n - 70,0 mhz ______________________________________________________________________________________________________ centre frequency f o 70,0 mhz _____________________________________________________________________________________________________ pass band -f n - 100 khz ... f n + 100 khz ______________________________________________________________________________________________________ relative attenuation a rel f n 40 mhz ... f n 57 mhz - min. 45 db f n 83 mhz ... f n 100 mhz - min 45 db ______________________________________________________________________________________________________ group delay gd absolute delay f n - 65 mhz ... f n + 75 mhz 2 s max 2,15 s ______________________________________________________________________________________________________ temperature coefficient of frequency tc f *) - 72 ppm/k2 - ______________________________________________________________________________________________________ frequency inversion temperature t o - 5 c - ______________________________________________________________________________________________________ operating temperature range - 20 c ... + 85 c storage temperature range - 40 c ... + 85 c ______________________________________________________________________________________________________ permissible dc voltage v dc -12v permissible ac voltage v pp -10v ______________________________________________________________________________________________________ *) ? f(hz) = tc f (ppm/k2) x ( ? t)2 x f to (mhz) generated: checked / approved: www..net
TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ vi telefilter filter specification tfs 70 g - page 2 / 3 ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ vi telefilter vectron international, inc. potsdamer stra?e 18 267 lowell road d 14 513 teltow / germany hudson, nh 03051 / usa tel: (+49) 3328 4784-52 / fax: (+49) 3328 4784-30 tel: (603) 598-0070 fax: (603) 598-0075 e-mail: tft@telefilter.com e-mail: vti@vtinh.com ______________________________________________________________________________________________________ vi telefilter reserves the right to make changes to the product(s) and/or information contained herein without notice. no liab ility is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or infor mation construction, pin connection and 50 ? ? ? ? matching network (all dimensions in mm) l3 tfs 70 g input gnd gnd gnd output output gnd 1 2 3 4 5 6 7 8 gnd gnd input l1 = 495 nh l3 = 510 nh l2 = 375 nh l4 = 395 nh air reflow temperature conditions 1st and 2nd air reflow profile
TFS70G.doc version 1.0 06.01.02 ______________________________________________________________________________________________________ vi telefilter filter specification tfs 70 g - page 3 / 3 ______________________________________________________________________________________________________ ______________________________________________________________________________________________________ vi telefilter vectron international, inc. potsdamer stra?e 18 267 lowell road d 14 513 teltow / germany hudson, nh 03051 / usa tel: (+49) 3328 4784-52 / fax: (+49) 3328 4784-30 tel: (603) 598-0070 fax: (603) 598-0075 e-mail: tft@telefilter.com e-mail: vti@vtinh.com ______________________________________________________________________________________________________ vi telefilter reserves the right to make changes to the product(s) and/or information contained herein without notice. no liab ility is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product(s) or infor mation name: pre-heating periods main-heating periods peak temperature temperature: 150 c - 170 c over 200 c 255 c 5 c time: 60 sec. - 90 sec. 20 sec. - 25 sec. chip-mount air reflow profile time / sec. temperature / c 0 20 40 60 80 100 120 140 160 180 200 220 240 260 0 20 40 60 80 100 120 140 160 180 200 220 240 table for temperature vs. time during the air reflow process tolerance of temperatures: 5 c time / sec. temperature / c time / sec. temperature / c 0 23 140 160 10 34 150 161 20 46 160 164 30 60 170 170 40 80 180 180 50 103 190 205 60 121 195 230 70 134 200 255 80 143 205 230 90 150 210 205 100 154 215 180 110 156 220 165 120 158 230 140 130 159 240 120
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