www.rfm.com e-mail: info@rfm.com page 1 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10 electrical characteristics electrical connections characteristic sym notes min typ max units center frequency f c 426.44 mhz 3 db bandwidth bw 3 1.0 mhz maximum insertion loss, 426.22 to 426.66 mhz il max 2.0 3.0 db amplitude ripple, 426.22 to 426.66 mhz 0.6 1.0 db p-p rejection referenced to 0 db: 404.64 to 405.44 mhz, [426.44 -(21 to 21.8) mhz] 50 54 db 405.44 to 421.44 mhz 30 36 436.44 to 447.84 mhz 20 40 470.0 to 770.0 mhz 50 59 800.0 to 2010.0 mhz 40 65 balanced source impedance z s 200 ? load impedance z l 50 ? case style sm3838-8 3.8 x 3.8 mm nominal footprint lid symbolization (y=year, ww=week, s=shift) dot=pin 1 indicator 948, ywws standard reel quantity reel size 7 inch 500 pieces/reel reel size 13 inch 3000 pieces/reel connection terminals balanced input 1,2 output 5 case ground 3, 4, 6, 7, 8 ? low insertion loss saw filter balanced 200 ohm input, single-ended 50 ohm output complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units input power level +20 dbm dc voltage 10 v operating temperature range -20 to +70 c storage temperature range in tape and reel -30 to +85 c 426.44 mhz saw filter RF3702D 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 depen dent 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. us and international patents may apply. 6. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. pb caution: electrostatic sensitive device. observe precautions for handling. notes: sm3838-8
www.rfm.com e-mail: info@rfm.com page 2 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10 frequency response plots
www.rfm.com e-mail: info@rfm.com page 3 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10
www.rfm.com e-mail: info@rfm.com page 4 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10 200 ohm input 50 ohm bottom view application circuit balanced output
www.rfm.com e-mail: info@rfm.com page 5 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10 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 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 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 a 1 2 3 b 7 6 5 4 c h 7 6 5 4 e f g 1 2 3 8 8 d 948 ywws
www.rfm.com e-mail: info@rfm.com page 6 of 6 ?2009-2010 by rf monolithics, inc. RF3702D - 10/21/10 tape and reel specifications ?b? nominal size quantity per reel inches millimeters 7 178 500 13 330 3000 see detail "a" 1 3 . 0 2 0 . 2 2.0 12.0 1 0 0 r e f . " b " r e f . component orientation and dimensions carrier tape dimensions ao 4.25 mm bo 4.25 mm ko 1.30 mm pitch 8.0 mm w12.0 mm 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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