SF1173B 374 mhz saw filter rf monolithics, inc. phone: +1(972)233-2903 european sales office 4347 sigma road fax: +1(972 )387-8148 44 1963 251383 dallas, texas 75244 e-mail: info@rfm.com 44 1963 251510 usa home page : www.rfm.com SF1173B.doc 1/3/2001 rfm' electrical connections connection terminals port 1 hot 10 port 1 gnd return 1 port 2 hot 5 port 2 gnd return 6 case ground all others absolute maximum ratings rating value units maximum incident power in passband +10 dbm max. dc voltage between any 2 terminals 30 vdc storage temperature range -40 to +85 c max soldering profile 265 c for 10 s designed for wireless lan receiver if applications balanced input and output see associated plots characteristic sym min typ max units notes nominal center frequency fc 374.000 mhz il 8.9 10.0 db 1 bw 3 17 23 mhz 0.8 1.0 db p -p passband insertion loss at fc 3 db passband amplitude ri pple over fc 7.0 mhz group delay variation over fc 7.0 mhz gdt 67 100 ns p -p 1, 2 45 49 40 51 30 45 30 39 35 39 rejection fc-100 to ?33 mhz fc-33 to -22 mhz fc ?22 to ?16.5 mhz fc +16.5 to +22 mhz fc +22 to +43 mhz fc +43 to +100 mhz 40 45 db 1, 2, 3 operating temperature range t a -10 +85 c 1 impedance matching to unbalanced 50 w external l-c case style smp-03 7 x 5 mm nominal footprint lid symbolization (yy = year, ww = week) rfm sf3745x7 yyww 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 w and measured with 50 w 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. ?lrip? or ?l? after the part number indicates ?low rate initial production? and ?eng? or ?e? indicates ?engineering prototypes.? 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. 8. rfm, stylized rfm logo, and rf monolithics, inc. are registered trademarks of rf monolithics, inc. 9. ? copyright 1999, rf monolithics inc. 10. electrostatic sensitive device. observe precautions for handling. preliminary
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