1842.5 mhz saw filter 75 mhz bandwidth part number: SF1843BA02542S spectrum microwave 00 nickerson road, marlborough ma, usa phone 1-508-251-6400 fax 1-508-251-6401 www.spectrummicrowave.com dsSF1843BA02542S rev x3 28-july-2010 page 1 of 3 description 1842.5 mhz saw bandpass filter with 75 mhz bandwid th for mobile communications. 2.5 x 2.0 mm ceramic lcc package. rohs compliant. typical performance frequency response vswr (unbalanced input) vswr (balanced output)
1842.5 mhz saw filter 75 mhz bandwidth part number: SF1843BA02542S spectrum microwave 00 nickerson road, marlborough ma, usa phone 1-508-251-6400 fax 1-508-251-6401 www.spectrummicrowave.com dsSF1843BA02542S rev x3 28-july-2010 page 2 of 3 specification parameter min typ max units center frequency (fc) 1 - 1842.5 - mhz insertion loss (1805 to 1880 mhz) - 2.9 4.0 db amplitude ripple (1805 to 1880 mhz) 1.0 2.1 db p-p input vswr (1805 to 1880 mhz) - 2.1 2.7 :1 output vswr (1805 to 1880 mhz) - 2.0 2.7 :1 attenuation (1 to 1200 mhz) 2 40 49 - db attenuation (1200 to 1705 mhz) 2 30 34 - db attenuation (1705 to 1785 mhz) 2 9 14 - db attenuation (1920 to 1980 mhz) 2 10 22 - db attenuation (1980 to 2200 mhz) 2 20 23 - db attenuation (2200 to 3000 mhz) 2 30 36 - db attenuation (3000 to 6000 mhz) 2 40 44 - db output amplitude balance ( ? s 31 /s 21 ? ) -2 0 2 db output phase balance ( (s 31 )- (s 21 )+180?) -12 0 12 deg source impedance 50 ohms unbalanced load impedance 200 ohms balanced ambient temperature - 25 - c notes: 1. fixed reference point. 2. reference level from 0 db. 3. symmetry in band, referenced to the matched op erating condition, 1805 to 1880 mhz). maximum ratings parameter min typ max units storage temperature range -40 25 85 ?c operating temperature range -20 25 75 ?c input power level - 10 13 dbm matching circuit notes: 1. recommend use of 2% tolerance matching componen t. typical inductor q=45. 2. component value is for reference only and may c hange depending on board layout.
1842.5 mhz saw filter 75 mhz bandwidth part number: SF1843BA02542S spectrum microwave 00 nickerson road, marlborough ma, usa phone 1-508-251-6400 fax 1-508-251-6401 www.spectrummicrowave.com dsSF1843BA02542S rev x3 28-july-2010 page 3 of 3 package outline marking iso 9001 registered units: mm typical tolerances are 0.15 mm except where indicated. pad configuration: unbalanced input: g balanced output: c balanced output: d ground: b, e package material: body: al 2 o 3 ceramic lid: kovar, ni plated terminations: au plating 1 m min, over a 1.3-8.9 m ni plating model identification : ic = SF1843BA02542S week code: a through z followed by a through z equa ls 52 weeks. year code: a = 2001, b=2002, c=2003, to j=2010 (cod e a through j repeats every 10 years) i c a b all specifications are believed to be accurate and reliable. however, spectrum microwave reserves the right to make changes without notice. ? 2010 all rights reserved.
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