www.rfm.com e-mail: info@rfm.com page 1 of 4 ?2010 by rf monolithics, inc. SF2221A - 11/12/10 electrical specifications characteristic sym notes min typ max units nominal center frequency f c 1 193.60 mhz passband: minimum insertion loss, 192.9 to 194.3 mhz 8.0 9.0 db 1 db bandwidth bw 1 1, 2 1.0 1.27 mhz 3 db bandwidth bw 3 1.4 1.82 mhz 3 db passband vswr, matched 2.2:1 3:1 group delay variation, 192.9 to 194.3 mhz gdv 300 500 ns p-p absolute delay at 193.6 mhz agd 800 900 1000 ns rejection: 1, 2, 3 db 191.8 and 195.4 mhz 25 30 ultimate rejection, <182.6 mhz, >204.6 mhz 45 50 operating temperature range t a 10 +70c ? precision if saw filter excellent size-to-performance ratio hermetic surface-mount case single-ended input and output complies with directive 2002/95/ec (rohs) absolute maximum ratings rating value units maximum incident power in passband +18 dbm maximum dc voltage between any two terminals 30 vdc storage temperature range in tape and reel -40 to +85 c suitable for lead-free soldering - maximum soldering profile 260c for 30 s 193.60 mhz saw filter SF2221A 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 turnover temperature, t o , is the temperature of maximum (or turnover) frequency, f o . the nominal frequency at any case temperature, t c , may be calculated from: f=f o [1-ftc(t o -t c ) 2 ]. 5. the design, manufacturing process, and specifications of this filter are subject to change. 6. 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. 7. us and international patents may apply. impedance matching to 50 ? single-ended source and load external l-c case style sm1154-14, 11.5 x 4 mm nominal footprint lid symbolization (yy = year, ww = week) SF2221A, yyww pb caution: electrostatic sensitive device. observe precautions for handling. notes: preliminary sm1154-14
www.rfm.com e-mail: info@rfm.com page 2 of 4 ?2010 by rf monolithics, inc. SF2221A - 11/12/10 ch1 s11 1 u fs centr 193 . 600 mhz span 2 . 000 mhz cor ch2 s21 log 10 db/ ref -6.345 db center 193 . 600 000 mhz span 12 . 000 000 mhz cor ch 3 s22 1 u fs centr 193 . 600 mhz span 2 . 000 mhz cor 1 0 no v 20 10 14 :1 2: 48 1 1 : 46 . 453 0. 6445 529 . 86 ph 193 . 600 000 mhz 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz ref=1 ch2 markers bw: 1. 315998 mhz ce nt : 19 3 . 5 98 93 1 m hz q: 147 . 11 1_ loss : -6 . 3421 db 1 1: 49 .625 -5 . 7773 142 . 29 pf 193 . 600 000 mhz SF2221A full resp frequency respose plots tuning network topology
www.rfm.com e-mail: info@rfm.com page 3 of 4 ?2010 by rf monolithics, inc. SF2221A - 11/12/10 case dimensions dimension mm inches min nom max min nom max a 11.4 11.5 11.6 .442 0.450 0.458 b 3.8 4.0 4.2 .150 0.157 .166 c 1.4 1.6 1.8 .057 0.063 .069 d 1.3 1.5 1.7 .053 0.059 .065 e 0.76 0.030 f 1.27 0.050 g 1.27 0.050 h 0.1 0.004 electrical connections connection terminals input 2 input return 13 output 9 output return 6 ground all others 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 sm1154-14 ceramic surface-mount 14-terminal case 11.5 x 4.0 mm nominal footprint 1 2 3 4 5 6 7 14 13 12 11 10 9 8 b a c d 14 13 12 11 10 9 8 h e f g 1 2 3 4 5 6 7 0 . 0 3 4 t y p . ( 0 . 8 6 ) 0 . 0 5 0 ( 1 . 2 7 ) t y p . 0.067 typ. (1.70) 0.190 (4.84) 0 . 3 3 4 r e f . ( 8 . 4 8 ) recommended pcb footprint
www.rfm.com e-mail: info@rfm.com page 4 of 4 ?2010 by rf monolithics, inc. SF2221A - 11/12/10 component orientation and dimensions carrier tape dimensions ao 4.55 mm 0.1 bo 12.04 mm 0.1 ko 2.13 mm 0.1 pitch 8.00 mm 0.1 w 24.00 mm 0.3 w (carrier tape size) a o b o p (pitch) cover tape size k o cover tape 1.5 mm +0.1 -0.0 4.0 mm 0.1 2.0 mm 0.1 1.75 mm 0.1 1.5 mm +0.3 -0.0 pin #1 user direction of feed
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