www.rfm.com e-mail: info@rfm.com page 1 of 5 ?2009 by rf monolithics, inc. sf2079d1 - 4/17/09 electrical characteristics characteristic sym notes min typ max units center frequency f c 1 251.045 mhz insertion loss il 13.0 15.0 db amplitude ripple (p-p) fc - 6.2500 to fc - 4.3925 mhz 1, 2 0.90 1.75 db fc - 4.3925 to fc - 2.5350 mhz 0.60 1.50 fc - 2.5350 to fc - 0.0250 mhz 0.60 1.50 fc + 0.0250 to fc + 2.5350 mhz 0.80 1.50 fc + 2.5350 to fc + 4.3925 mhz 0.80 1.75 fc + 4.3925 to fc + 6.2500 mhz 0.60 1.75 1.5 db passband width centered at fc 13.5 mhz 3.0 db passband width centered at fc 14.2 low side attenuation < 234.545 mhz ( < fc - 16.5 mhz) 32 db low side attenuation, 234.545 to 240.545 mhz (fc-10.5 mhz) 29 high side attenuation, 260.045 to 267.545 mhz (fc+9.0 mhz) 18 high side attenuation > 267.545 mhz ( > fc + 16.5 mhz) 32 temperature coefficient of frequency -18 ppm/k delay ripple (p-p) fc - 6.2500 to fc - 4.3925 mhz 1, 2, 3 84 150 ns fc - 4.3925 to fc - 2.5350 mhz 35 70 fc - 2.5350 to fc - 0.0250 mhz 22 120 fc + 0.0250 to fc + 2.5350 mhz 58 120 fc + 2.5350 to fc + 4.3925 mhz 37 70 fc + 4.3925 to fc + 6.2500 mhz 52 110 source/load impedance 150 ohms case style 6 sm3838-8 3.8 x 3.8 mm nominal footprint lid symbolization (yy=year, ww=week, s=shift) see note 4 827 ywws ? low insertion loss 3.8 x 3.8 x 1 mm surface-mount case differential input and output complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum incident power in passband +10 dbm maximum dc voltage between any two terminals 30 vdc operating temperature range -40 to +85 c storage temperature range -60 to +95 c suitable for lead-free soldering - maximum soldering profile 260c for 30 s 251.045 mhz saw filter SF2079D-1 pb notes: 1. unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration 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 dependent 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. caution: electrostatic sensitive device. observe precautions for handling. notes: preliminary sm3838-8
www.rfm.com e-mail: info@rfm.com page 2 of 5 ?2009 by rf monolithics, inc. sf2079d1 - 4/17/09 ch1 s11 1 u fs c entr 2 51 . 0 45 mhz span 1 00 . 0 00 mhz cor ch2 s21 log 10 db/ ref -11.3 db ce nte r 25 1 . 04 5 000 mhz span 10 0 . 00 0 00 0 mhz cor ch 3 s22 1 u f s centr 251 . 045 mh z span 100 . 000 mh z cor 12 mar 2009 13:39:17 1 1: 53 . 156 -6 . 8516 92 . 5 29 p f 25 1 . 04 5 000 mhz 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch 2 marke rs bw : 13 . 62 33 42 mhz ce nt : 2 51 . 1 231 02 mh z q: 18 . 433 1_ l oss : -11 . 292 db 1 1 : 45 . 3 09 14 . 566 9. 2347 nh 251 . 045 000 mhz sf2 079d-1 full resp ch1 s11 1 u fs c entr 2 51 . 0 45 mhz span 1 00 . 0 00 mhz cor ch2 s21 log 10 db/ ref -11.3 db ce nte r 25 1 . 04 5 000 mhz span 20 0 . 00 0 00 0 mhz cor ch 3 s22 1 u f s centr 251 . 045 mh z span 100 . 000 mh z cor 12 mar 2009 13:43:59 1 1: 52 . 402 -7 . 2 598 87 . 3 26 p f 25 1 . 04 5 000 mhz 1 2 3 4 1: 0. 0000 db 0. 000 000 mhz ref=1 ch 2 marke rs bw : 13 . 62 17 70 mhz ce nt : 2 51 . 1 110 87 mh z q: 18 . 435 1_ l oss : -11 . 319 db 1 1: 45 . 172 14 . 139 8 . 9 635 nh 251 . 045 000 mhz sf2 079d-1 -demo xmor mer s cal' d out full resp
www.rfm.com e-mail: info@rfm.com page 3 of 5 ?2009 by rf monolithics, inc. sf2079d1 - 4/17/09 ch2 s2 1 l og 1 db / re f -10 .8 4 db c ent er 25 1 . 04 5 00 0 mhz span 2 0 . 000 000 mh z c 12 mar 2009 13:47:06 3 4 4 : . 575 60 db 12 . 5 00 0 00 mhz ref =3 ch2 ma rkers m ean : -11 . 25 0 db s . de v : . 207 60 db p-p : . 9 119 0 db sf2 079d- 1-demo group delay resp pcb 401-1706-001 j1, j2 500-0248-002 2-hole flange mount sma connector tx1, tx2 500-0912-003 1:3 transformers sma l1, l2 501-1068-430 ind, chip, 43nh 0603 l3, l4 501-1068-390 ind, chip, 39nh 0603 c1 501-0621-150 cap, chip, 15pf 0603 c2 501-0621-160 cap, chip, 16pf 0603
www.rfm.com e-mail: info@rfm.com page 4 of 5 ?2009 by rf monolithics, inc. sf2079d1 - 4/17/09 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 0.90 1.00 1.1 0.035 0.040 0.043 d 0.80 0.90 1.0 0.031 0.035 0.040 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 8-terminal ceramic surface-mount case 3.8 x 3.8 mm nominal footprint sm3838-8 thin 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 a 1 2 3 b 7 6 5 4 c h 7 6 5 4 e f g 1 2 3 8 8 d 827 ywws
www.rfm.com e-mail: info@rfm.com page 5 of 5 ?2009 by rf monolithics, inc. sf2079d1 - 4/17/09 tape and reel specifications ?b ? nominal size 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
|
