preliminary format of data sheet terms of delivery and rights to change design reserved ofw e mf page 1 of 5 oct 28, 1998 saw components data sheet B4818 246,00 mhz low loss filter ceramic package qcc12b features l low-loss if filter for mobile telephone l channel selection in gsm, pcn, pcs systems l ceramic smd package l balanced and unbalanced operation possible l flat group delay response l high stopband attenuation terminals l gold-plated ni dimensions in mm, approx. weight 0,2 g pin configuration 2 input 1 input ground or balanced input 8 output 7 output ground or balanced output 10 expansion coil 3, 9 case C ground 4, 6, 12 to be grounded e lectrostatic s ensitive d evice ( esd ) type ordering code marking and package according to packing according to B4818 b39251-B4818-z910 c61157-a7-a52 f61074-v8038-z000 maximum ratings operable temperature range t C 20/+ 70 ?c storage temperature range t stg C 25/+ 85 ?c dc voltage v dc 0v source power p s 10 dbm
preliminary format of data sheet terms of delivery and rights to change design reserved ofw e mf page 2 of 5 oct 28, 1998 saw components data sheet B4818 246,00 mhz low loss filter characteristics operating temperature: t = 25 ?c terminating source impedance: z s = 650 w || -2,6 pf terminating load impedance: z l = 650 w || -2,6 pf 1) temperature dependence of f c : f c ( t ) = f c ( t 0 )(1 + tc f ( t C t 0 ) 2 ) min. typ. max. nominal frequency f n 246,00 mhz minimum insertion attenuation a min excluding losses in matching circuit 2,0 3,0 4,0 db including losses in matching circuit 3,0 4,0 5,0 db amplitude ripple (p-p) da f n - 85,0 khz ... f n + 93,0 khz 0,2 1,5 db f n - 120,0 khz ... f n + 120,0 khz 0,7 3,0 db group delay ripple (p-p) dt f n - 70,0 khz ... f n + 70,0 khz 0,4 1,2 m s f n - 120,0 khz ... f n + 120,0 khz 0,9 2,0 m s relative attenuation (relative to a min ) a rel f n - 100,00 mhz ... f n - 1,60 mhz 55 69 db f n - 1,60 mhz ... f n - 0,60 mhz 42 46 db f n - 0,60 mhz ... f n - 0,40 mhz 25 50 db f n - 0,40 mhz ... f n - 0,33 mhz 18 29 db f n - 0,33 mhz ... f n - 0,30 mhz 10 20 db f n + 0,30 mhz ... f n + 0,33 mhz 10 20 db f n + 0,33 mhz ... f n + 0,40 mhz 18 26 db f n + 0,40 mhz ... f n + 0,60 mhz 25 30 db f n + 0,60 mhz ... f n + 0,80 mhz 38 43 db f n + 0,80 mhz ... f n + 3,00 mhz 42 44 db f n + 3,00 mhz ... f n + 100,00 mhz 55 68 db impedance at f n input: z in = r in || c in 650 || 2,6 w || pf output: z out = r out || c out 650 || 2,6 w || pf temperature coefficient of frequency 1) tc f C 0,036 ppm/k 2 turnover temperature t 0 20 ?c
preliminary format of data sheet terms of delivery and rights to change design reserved ofw e mf page 3 of 5 oct 28, 1998 saw components data sheet B4818 246,00 mhz low loss filter characteristics operating temperature: t = -20 to 70 ?c terminating source impedance: z s = 650 w || -2,6 pf terminating load impedance: z l = 650 w || -2,6 pf 1) temperature dependence of f c : f c ( t ) = f c ( t 0 )(1 + tc f ( t C t 0 ) 2 ) min. typ. max. nominal frequency f n 246,00 mhz minimum insertion attenuation a min excluding losses in matching circuit 2,0 3,0 4,0 db including losses in matching circuit 3,0 4,0 5,0 db amplitude ripple (p-p) da f n - 85,0 khz ... f n + 70,0 khz 0,2 1,5 db f n - 100,0 khz ... f n + 95,0 khz 0,7 3,0 db group delay ripple (p-p) dt f n - 70,0 khz ... f n + 70,0 khz 0,4 1,2 m s f n - 120,0 khz ... f n + 120,0 khz 0,9 2,0 m s relative attenuation (relative to a min ) a rel f n - 100,00 mhz ... f n - 1,60 mhz 55 69 db f n - 1,60 mhz ... f n - 0,60 mhz 42 46 db f n - 0,60 mhz ... f n - 0,40 mhz 25 50 db f n - 0,40 mhz ... f n - 0,33 mhz 16 29 db f n - 0,33 mhz ... f n - 0,30 mhz 10 20 db f n + 0,30 mhz ... f n + 0,33 mhz 10 20 db f n + 0,33 mhz ... f n + 0,40 mhz 18 26 db f n + 0,40 mhz ... f n + 0,60 mhz 25 30 db f n + 0,60 mhz ... f n + 0,80 mhz 38 43 db f n + 0,80 mhz ... f n + 3,00 mhz 42 44 db f n + 3,00 mhz ... f n + 100,00 mhz 55 68 db impedance at f n input: z in = r in || c in 650 || 2,6 w || pf output: z out = r out || c out 650 || 2,6 w || pf temperature coefficient of frequency 1) tc f C 0,036 ppm/k 2 turnover temperature t 0 20 ?c
preliminary format of data sheet terms of delivery and rights to change design reserved ofw e mf page 4 of 5 oct 28, 1998 saw components data sheet B4818 246,00 mhz low loss filter test matching network to 50 w (element values depend on pcb layout): c p1 = 3,3 pf l s2 =65nh l s3 =65nh c p4 = 3,3 pf l c =82nh
preliminary format of data sheet terms of delivery and rights to change design reserved ofw e mf page 5 of 5 oct 28, 1998 saw components data sheet B4818 246,00 mhz low loss filter transfer function : transfer function (pass band):
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