www.rfm.com e-mail: info@rfm.com page 1 of 5 ?2009-2010 by rf monolithics, inc. SF2037C - 6/23/10 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. "lrip" or "l" after the part number indicates "low rate initial production" and "eng" or "e" indicates "engineering prototype s." 5. the design, manufacturing process, and specifications of this filter are subject to change. 6. tape and reel standard ansi / eia 481. 7. either port 1 or port 2 may be used for either input or output in the design. however, impedances and impedance matching may vary between port 1 and port 2, so that the filter must always be installed in one direction per the circuit design. 8. us and international patents may apply. 9. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. electrical characteristics characteristic sym notes min typ max units center frequency f c 1 76.500 mhz insertion loss il 1 10.0 12.0 db 1 db bandwidth bw 1 13.84.4 mhz 15 db bandwidth bw 15 17.17.4mhz 30 db bandwidth bw 30 18.28.5mhz amplitude ripple, f c 1.9 mhz 1 0.7 1.10 db p-p group delay ripple, f c 1.9 mhz gdv 1 55 150 ns p-p rejection: 1, 3 db 50 to 70.44 mhz 34 41 70.44 to 72.04 mhz 31 37 81.26 to 82.56 mhz 36 42 82.56 to 86.50 mhz 36 43 86.5 to 91.50 mhz 40 46 91.50 to 100.00 mhz 42 51 operating temperature range t a 1-40 +85c frequency temperture coefficient ftc -18 ppm/c differential input 175 ohms differential output 1000 ohms case style 6 sm5050-8 5 x 5 mm nominal footprint lid symbolization (y=year, ww=week, s=shift) see note 4 rfm 912 ywws sm5050-8 ? designed for sdars if receiver 5.0 x 5.0 mm surface-mount case differential or single-ended 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 on any non-ground terminal 30 vdc storage temperature range in tape and reel -40 to +85 c maximum soldering profile 265 c for 10 s 76.500 mhz saw filter SF2037C pb caution: electrostatic sensitive device. observe precautions for handling. notes:
www.rfm.com e-mail: info@rfm.com page 2 of 5 ?2009-2010 by rf monolithics, inc. SF2037C - 6/23/10 ch2 s2 1 log 10 db/ ref -9 .377 db cen ter 76 . 500 000 mh z sp an 40 . 0 00 0 00 mh z cor 10 jun 2009 13:08:26 1 2 3 4 1 : 0 . 000 0 db 0 . 000 000 mhz ref=1 ch 2 mar ke rs b w : 4 . 3 14446 mhz cent : 76 . 571972 mhz q: 17 . 748 1_ loss : -9 . 8837 db SF2037C -d emo eng full ch2 s 21 log 1 d b/ ref -9.353 db center 7 6 . 50 0 00 0 mhz span 10 . 000 000 mhz c 10 jun 2009 13:09:18 3 4 4 : . 20300 db 2. 654 058 mhz ref =3 ch2 markers me an : -9 . 6238 db s . dev : . 1779 0 db p -p : . 6 2500 db SF2037C -d emo eng full filter amplitude response plot, 56.5 to 96.5 mhz filter passband amplitude plot
www.rfm.com e-mail: info@rfm.com page 3 of 5 ?2009-2010 by rf monolithics, inc. SF2037C - 6/23/10 ch2 s 21 de l 10 0 ns/ ref 53 7.9 n s center 7 6 . 50 0 00 0 mhz span 10 . 000 000 mhz c smo 1 0 jun 20 09 13 :10 :02 3 4 4 : -8 . 7560 ns 2 . 6 54 0 58 m hz ref =3 ch2 markers mean : 531 . 02 ns s . dev : 21 . 962 ns p -p : 76 . 542 ns SF2037C-demo eng full ch1 s11 1 u fs cor ch3 s2 2 1 u fs center 76 . 500 000 mhz span 40 . 000 000 mhz cor 10 jun 2009 13:0 8:09 1 1: 60 . 654 -2 . 8906 71 9 . 73 pf 76 . 5 0 0 00 0 mhz 1 1: 40 . 691 9 . 0664 18 . 862 nh 76 . 500 000 mhz sf20 37 c-demo eng full filter passband group delay plot filter input and output impedance plots
www.rfm.com e-mail: info@rfm.com page 4 of 5 ?2009-2010 by rf monolithics, inc. SF2037C - 6/23/10 a 1 2 3 b 7 6 5 4 c d 7 6 5 4 e f g 1 2 3 8 8 case dimensions dimension mm inches min nom max min nom max a 4.80 5.00 5.20 0.189 0.197 0.205 b 4.80 5.00 5.20 0.189 0.197 0.205 c 1.30 1.50 1.70 0.050 0.060 0.067 d 1.98 2.08 2.18 0.078 0.082 0.086 e 1.07 1.17 1.27 0.042 0.046 0.050 f 0.50 0.64 0.70 0.020 0.025 0.028 g 2.39 2.54 2.69 0.094 0.100 0.106 h 1.27 0.050 i 0.76 0.030 j 1.55 0.061 k 2.79 0.110 l 0.76 0.030 m 2.36 0.093 n 1.55 0.061 o 2.79 0.110 p 2.79 0.110 q 2.79 0.110 materials solder pad plating 0.3 to 1.0 m gold over 1.27 to 8.89 m nickel lid plating 2.0 to 3.0 m nickel body al 2 o 3 ceramic pb free sm5050-8 surface-mount 8-terminal ceramic case 5.0 x 5.0 mm nominal footprint case materials pcb footprint
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 top view bottom view
www.rfm.com e-mail: info@rfm.com page 5 of 5 ?2009-2010 by rf monolithics, inc. SF2037C - 6/23/10 tape and reel specifications ?b? nominal size quantity per reel inches millimeters 7 178 500 13 330 3000 user direction of feed component orientation and dimensions carrier tape dimensions ao 5.3 mm bo 5.3 mm ko 2.0 mm pitch 8.0 mm w12.0 mm pin #1 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f .
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