1 mafl-009272 improved rejection circuit 5 - 1002 / 1125 - 1550 mhz released rev. v1 application note an - 4005 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. recommended rejection circuit configuration recommended component values description ref des qty cap, smt, 0402, 0.3pf, +/- 2% 50v,cog c1 1.00 cap, smt, 0402, 1.2pf, +/- 2% 50v,cog c2 1.00 cap, smt, 0402, 0.82pf, +/- 2% 50v,cog c3 1.00 cap, smt, 0402, 1.1pf, +/- 2% 50v,cog c4 1.00 cap, smt, 0402, 0.5pf, +/- 2% 50v,cog c5 1.00 not stuffed c6 - cap, smt, 0402,1.8pf, +/- 2% 50v,cog c7 1.00 cap, smt, 0402, 0.5pf, +/- 2% 50v,cog c8 1.00 ind, smt, 0402, 3.3nh, +/-5%, 500ma l1 1.00 ind, smt, 0402, 2.7nh, +/-5%, 500ma l2 1.00 ind, smt, 0402, 4.7nh, +/-5%, 500ma l3 1.00 features improved rejection rohs compliant lead free 75 ohm description m/a-com technology solutions' mafl-009272- cd0ac0 is a surface mount diplex filter unit designe d for moca applications. this filter includes the addition of an off chip ci rcuit exter- nal to the diplex filter. this circuit improves rej ection be- tween 2ghz - 3ghz. recommended rejection circuit configuration, recom- mended component values and typical spec table are given below. parameter units typ common to low insertion loss 5-42 mhz 42 C 860 mhz 860 C 1002 mhz rejection 1130 C 1550 mhz db db db db 0.1 0.6 1.5 40 common to high insertion loss 1125 C 1550 mhz rejection 5-1002 mhz 2250 C 2400 mhz 2400 C 2600 mhz 2600 C 3000 mhz db db db db db 1.7 40 35 50 34 common port return loss 5-600 mhz 600 C 950 mhz 950 C 1002 mhz 1125 C 1200 mhz 1200 C 1550 mhz db db db db db 16 12 13 12 12 common port voltage transient v 200 typical spec product image
2 mafl-009272 improved rejection circuit 5 - 1002 / 1125 - 1550 mhz released rev. v1 application note an - 4005 ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.4155721 ? china tel: +86.21.2407.1588 visit www.macomtech.com for additional data she ets and product information. m/a-com technology solutions inc. and its affiliate s reserve the right to make changes to the product(s) or information contained herein without notice. advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is base d on target specifications, simulated results, and/or prototype measurements. commitment to develo p is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is bas ed on engineering tests. specifications are typical. mechanical outline has been fixed. enginee ring samples and/or test data may be available. commitment to produce in volume is not guaranteed. typical filter performance with off chip circuit -60 -50 -40 -30 -20 -10 0 5 504 1003 1502 2001 2500 2999 db frequency mafl-009272-cd0ac0-s11 -80 -70 -60 -50 -40 -30 -20 -10 0 5 504 1003 1502 2001 2500 2999 d b frequency mafl-009272-cd0ac0 - s32 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 5 504 1003 1502 2001 2500 2999 d b frequency mafl-009272-cd0ac0 - s31 -8 0 -7 0 -6 0 -5 0 -4 0 -3 0 -2 0 -1 0 0 5 504 1003 1502 2001 2500 2999 d b frequency mafl-009272-cd0ac0-s21
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