243.85 mhz saw filter 0.3 mhz bandwidth part number: SF0244CN03098S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0244CN03098S rev a 19-mar-2010 ecn 36650 page 1 of 3 description ? 243.85 mhz saw bandpass filter with 0.3 mhz b andwidth for personal handyphone application. ? 11.4 x 4 mm lcc package. ? rohs compliant. typical performance
243.85 mhz saw filter 0.3 mhz bandwidth part number: SF0244CN03098S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0244CN03098S rev a 19-mar-2010 ecn 36650 page 2 of 3 specification parameter 3 min typ max units center frequency ( fc) 1 - 243.95 - mhz insertion loss - 3.8 5 db lower 3 db frequency 2 243.65 243.80 mhz upper 3 db frequency 2 244.10 244.25 - mhz passband amplitude variation (fc+ /-0.11 mhz) - 0.7 1 db p-p group delay ripple (fc+/-0.11 mhz) - 110 600 ns p-p rejection (fc-21.6 mhz) 2 55 63 db rejection (fc+/-10.8 mhz) 2 50 56 db rejection (fc+/-1.2 mhz) 2 30 40 db rejection (fc-0.7 mhz) 2 30 33 db rejection (fc+/-0.6 mhz) 2 25 29 db rejection (fc+/-0.5 mhz) 2 15 16 db rejection (fc+0.7 mhz) 2 27 30 db absolute delay - 1.4 - us system source and load impedance 50 ? ambient temperature - 25 - oc notes: 1. fixed reference frequency. 2. all db levels are defined relative to the insertion loss. 3. all electrical specifications apply across the full operating temperature range. maximum ratings parameter min typ max units storage temperature range -40 25 85 ? c operating temperature range -10 25 50 ? c input power level - 0 10 dbm matching circuit typical component values: notes: 1. recommend use of 5% toleranc e matching components. inductor q=45. 2. component values are for reference only and may change depending on board layout. 3. insertion loss is adjusted by 6.2 db at test to allow for the effect of rs1 and rs2. rs1 = 30 ? rs2 = 82 ? lp1 = 27 nh lp2 = 33 nh
243.85 mhz saw filter 0.3 mhz bandwidth part number: SF0244CN03098S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0244CN03098S rev a 19-mar-2010 ecn 36650 page 3 of 3 package outline iso 9001 registered all specifications are believed to be accurate and reliable. howe ver, spectrum microwave reserves the right to make changes wit hout notice. ? 2010 all rights reserved. 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 units: mm tolerances are 0.15 mm except where indicated and for the overall length and width, which are nominal values. pad configuration: input: 2 output: 9 ground: all other pads
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