www.rfm.com e-mail: info@rfm.com page 1 of 6 ?2008 by rf monolithics, inc. SF2109D - 9/18/08 electrical characteristics characteristic sym notes min typ max units center frequency f c 1 305 mhz insertion loss il 7 10 db amplitude ripple (p-p) fc-4.0 to fc+4.0 mhz 1, 2 1.2 2.0 db low side attenuation (fc-9.28 mhz) 30 35 db low side attenuation (fc-5.78 mhz) 25 35 high side attenuation (fc+5.78 mhz) 20 26 high side attenuation (fc+9.28 mhz) 30 35 delay ripple (p-p) fc-4.0 to fc+4.0 mhz 1, 2, 3 300 ns group delay in passband 500 case style 6 sm3838-8 3.8 x 3.8 mm nominal footprint lid symbolization (y=year, ww=week, s=shift) see note 4 607 ywws sm3838-8 ? low insertion loss 3.8 x 3.8 x 1.2 mm surface-mount case differential 750 ohm in and 900 ohm out complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum incident power in passband +10 dbm max. dc voltage between any 2 terminals 30 vdc storage temperature range -40 to +85 c operating temperature -15 to +85 c suitable for lead-free soldering - max soldering profile 260c for 30 s 305.00 mhz saw filter SF2109D pb 1. unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified d emonstration board with impedance matching to 50 ? and measured with 50 ? network analyzer. 2. unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc. 3. rejection is measured as attenuation below the minimum il point in the passband. rejection in final user application is depe ndent on pcb layout and external impedance matching design. see application note no. 42 for details. 4. the design, manufacturing process, and specifications of this filter are subject to change. 5. tape and reel standard per ansi / eia 481. 6. us and international patents may apply. 7. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 8. ?copyright 1999, rf monolithics inc. caution: electrostatic sensitive device. observe precautions for handling. notes:
www.rfm.com e-mail: info@rfm.com page 2 of 6 ?2008 by rf monolithics, inc. SF2109D - 9/18/08 ch1 s21 del 100 ns/ ref 500 ns center 305 . 400 000 mhz span 10 . 000 000 mhz c smo prm ch2 s21 log 1 db/ ref -7.046 db c prm 3 mar 2006 13:05:41 1 2 3 3 : 22 . 793 ns -8 . 000 000 mhz ref=2 ch1 markers mean : 262 . 50 ns s . dev : 39 . 617 ns p-p : 179 . 82 ns 1 2 3 3 : - . 37930 db -8 . 000 000 mhz ref=2 ch2 markers mean : -7 . 4435 db s . dev : . 32180 db p-p : 1 . 4982 db SF2109D 50 ohm demo full full ch1 s11 1 u fs centr 304 . 000 mhz span 80 . 000 mhz cor prm ch2 s21 log 10 db/ ref -7.046 db center 304 . 000 000 mhz span 80 . 000 000 mhz cor prm ch3 s22 1 u fs centr 304 . 000 mhz span 80 . 000 mhz cor 3 mar 2006 13:02:04 1 1 : 37 . 277 3 . 1523 1 . 6450 nh 305 . 000 000 mhz 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz max ref=1 ch2 markers bw : 7 . 378194 mhz cent : 305 . 380082 mhz q: 41 . 390 1_ loss : -7 . 0214 db 1 1 : 52 . 984 7 . 2871 3 . 8026 nh 305 . 000 000 mhz SF2109D 50 ohm demo full full
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www.rfm.com e-mail: info@rfm.com page 5 of 6 ?2008 by rf monolithics, inc. SF2109D - 9/18/08 8-terminal ceramic surface-mount case 3.8 x 3.8 mm nominal footprint sm3838-8 case top view bottom view 0.066 0.055 typ. (1.68) (1.40) 0 . 0 2 9 t y p . ( o . 7 4 ) 0 . 0 5 0 t y p . ( 1 . 2 7 ) 0 . 0 0 2 ( 0 . 0 5 ) 0 . 0 9 0 ( 2 . 2 9 ) 0 . 0 3 3 ( 0 . 8 4 ) pcb footprint case dimensions dimension mm inches min nom max min nom max a 3.6 3.8 4.0 0.142 0.150 0.157 b 3.6 3.8 4.0 0.142 0.150 0.157 c 1.05 1.20 1.35 0.041 0.047 0.053 d 0.95 1.10 1.25 0.037 0.043 0.049 e 0.90 1.00 1.10 0.035 0.040 0.043 f 0.50 0.60 0.70 0.020 0.024 0.028 g 2.39 2.54 2.69 0.090 0.100 0.110 h 1.40 1.75 2.05 0.055 0.069 0.080 electrical connections connection terminals port 1 differential input 1, 2 port 2 differential output 5, 6 ground all others single ended operation return is ground differential operation return is hot dot indicates pin 1 materials solder pad ter- mination au plating 30 - 60 uinches (76.2-152 um) over 80-200 uinches (203-508 um) ni. lid fe-ni-co alloy electroless nickel plate (8-11% phospho- rus) 100-200 uinches thick body al 2 o 3 ceramic pb free a 1 2 3 b 7 6 5 4 c h 7 6 5 4 e f g 1 2 3 8 8 d 607 ywws
www.rfm.com e-mail: info@rfm.com page 6 of 6 ?2008 by rf monolithics, inc. SF2109D - 9/18/08 tape and reel specifications ?b ? quantity per reel inches millimeters 7 178 500 13 330 3000 component orientation and dimensions carrier tape dimensions ao 4.25 mm bo 4.25 mm ko 1.30 mm pitch 8.0 mm w 12.0 mm see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . ro.3 (max.) ko section a-a 0.3 0.05 section b-b bo 2.0 4.0 ao pitch bb a r0.5 (max.) a 5 . 5 1 2 . 0 1 . 7 5 1.5 1.50 pin #1 user direction of feed
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