www.rfm.com e-mail: info@rfm.com page 1 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 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. rejection is measured as attenuation below the minimum il point in the passband. rejection in final user application is depen dent on pcb layout and external impedance matching design. see application note no. 42 for details. 3. the design, manufacturing process, and specifications of this filter are subject to change. 4. tape and reel standard ansi / eia 481. 5. us and international patents may apply. 6. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 7. the center frequency will move with ambient temperature changes. electrical characteristics characteristic sym min typ max units nominal center frequency f c 149.00 mhz insertion loss 2.0 2.5 db 2 db bandwidth 148 to 150 147.65 to 150.35 mhz amplitude ripple, 148 to 150 mhz, -27.5 to 72.5 c 1.5 1.8 db p-p amplitude ripple, 148 to 150 mhz, -40 to -27.5 c, 72.5 to 85 c 2.0 2.2 db p-p rejection, f c -2.5 mhz 15 54 db rejection, f c +2.5 mhz 15 30 db center frequency temperature coefficent -30 ppm/k operating temperature -40 85 c case style sm5050-8 5 x 5 mm nominal footprint lid symbolization (y=year, ww=week, s=shift) rfm 635 ywws sm5050-8 ? designed for broadband receiver if applications low insertion loss 5.0 x 5.0 mm surface-mount case differential input and single-ended 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 3 vdc storage temperature range in tape and reel -40 to +85 c suitable for lead-free soldering - maximum soldering profile 260 c for 30 s 149.00 mhz saw filter SF2120C pb caution: electrostatic sensitive device. observe precautions for handling. notes: electrical connections connection terminals port 1 differential input 1, 2 port 2 output 5 ground all others single-ended operation return is ground differential operation return is hot dot indicates pin 1
www.rfm.com e-mail: info@rfm.com page 2 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 3 db bw 2 db bw
www.rfm.com e-mail: info@rfm.com page 3 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 SF2120C 1 2 3 4 5 6 7 8 5pf 51nh 50 ohm 100 ohm balaned input 100 ohm balanced input
www.rfm.com e-mail: info@rfm.com page 4 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 ch1 s11 1 u fs centr 149 . 000 mhz span 40 . 000 mhz cor ch2 s21 log 10 db/ ref -2.43 db center 149 . 000 000 mhz span 40 . 000 000 mhz cor ch3 s22 1 u fs centr 149 . 000 mhz span 40 . 000 mhz cor 12 jul 2007 09:02:21 1 1 : 67 . 484 -46 . 605 22 . 919 pf 149 . 000 000 mhz 1 1:-2 .8632 db 149 .000 000 mhz 1 1 : 79 . 445 -47 . 031 22 . 712 pf 149 . 000 000 mhz SF2120C demo # 2 full 2 ports cal. full full
www.rfm.com e-mail: info@rfm.com page 5 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 ch1 s21 del 200 ns/ ref 1 us cor smo ch2 s21 log 1 db/ ref -2.43 db ch2 center 149 . 000 000 mhz span 5 . 000 000 mhz cor 12 jul 2007 08:52:09 1 2 2:-113 .96 ns 2.000 000 mhz ref=1 ch1 markers mean : 431 . 85 ns s . dev : 63 . 986 ns p-p : 298 . 60 ns 1 2 2 : - . 77460 db 2 . 000 000 mhz ref=1 ch2 markers mean : -2 . 6956 db s . dev : . 24420 db p-p : 1 . 1153 db SF2120C demo # 2 thru cal. resp resp SF2120C demo 1 5 s11 s22 3.3 56 47 3.3 401-1624-001 501-0782-470 0805, 47nh l1 501-0782-560 0805, 56nh l2 501-0621-033 0603, 3.3pf c1, c2
www.rfm.com e-mail: info@rfm.com page 6 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 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 top view bottom view case materials pcb footprint a 1 2 3 b 7 6 5 4 c d 7 6 5 4 e f g 1 2 3 8 8
www.rfm.com e-mail: info@rfm.com page 7 of 7 ?2009-2010 by rf monolithics, inc. SF2120C - 6/14/10 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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