ltp: --- version 1.0 31.05.2000 ______________________________________________________________________________________________________ vi telefilter application note tfs 380 7x5mm/13x6mm 1/2 ______________________________________________________________________________________________________ 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. 1. general the filter is designed for single ended use at the input and at the output.it is matched to 50 ? . ackages and pinning: m22 s 380 tfs 380 m22 1 ground 2 ground 3 output rf return 4 output 5 ground 6 ground 7 ground 8 ground 9 input rf return 10 input 11 ground 12 ground 1 ground 2 ground 3 ground 4 ground 5 output 6 output rf return 7 ground 8 ground 9 ground 10 ground 11 input 12 input rf return
ltp: --- version 1.0 31.05.2000 ______________________________________________________________________________________________________ vi telefilter application note tfs 380 7x5mm/13x6mm 2/2 ______________________________________________________________________________________________________ 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. the terminating impedances are 7x5mm package input : 1,3 k ? || -3,5 pf output: 1,3 k ? || -3,7 pf 13x6mm package input : 1,3 k ? || -3,9 pf output: 1,1 k ? || -3,9 pf the matching element values given below are calculated from the terminating impedances. if the values of the matching elements are not equal to standard values the best standard values are given in brackets. because these are theoretical values they have to be modified on pcb?s corresponding to the existing parasitics. 2. theoretical matching to 50 ? ? ? ? single ended l2 output 50 ohm c2 input 50 ohm c1 l1 saw the theoretical values of the stated elements are: 7x5mm package l1 = 58 nh (56nh) l2 = 55 nh (56nh) c1 = 16 pf (15pf) c2 = 17 pf (18pf) 13x6mm package l1 = 52 nh (56nh) l2 = 53 nh (56nh) c1 = 18 pf c2 = 17 pf (18pf)
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