249.6 mhz saw filter 10 mhz bandwidth part number SF0250BA03223S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA03223S rev a 19-mar-201 0 ecn 36650 page 1 of 3 description ? 249.6 mhz saw bandpass filter with 10 mhz bandwidth. ? 9.1 x 4.8 mm ceramic lcc package. ? rohs compliant. typical performance s11 (199.6-299.6 mhz) s22 (199.6-299.6 mhz) a mp 10 db/div amp 1 db/div phase 10 deg/div delay 100 ns/div center = 249.6 mhz, 10 mhz/div (125 khz incr)
249.6 mhz saw filter 10 mhz bandwidth part number SF0250BA03223S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA03223S rev a 19-mar-201 0 ecn 36650 page 2 of 3 specification parameter min typ max units center frequency, f c 1 - 249.6 - mhz insertion loss - 10.8 13.5 db amplitude variation (244.6 to 254.6 mhz) - 0.7 1 db p-p phase linearity (244.6 to 254.6 mhz) - 1 4 deg rms absolute delay - 570 - ns lower 1db band edge 2 - 243.89 244.6 mhz upper 1db band edge 2 254.6 255.18 - mhz relative attenuation (149.6 to 234.6 mhz) 2 47 53 - db relative attenuation (234.6 to 235.6 mhz) 2 40 55 - db relative attenuation (235.6 to 237 mhz) 2 23 55 - db relative attenuation (237 to 239.6 mhz) 2 13 48 - db relative attenuation (259.6 to 262 mhz) 2 13 35 - db relative attenuation (262 to 263.6 mhz) 2 23 47 - db relative attenuation (263.6 to 264.6 mhz) 2 40 47 - db relative attenuation (264.6 to 349.6 mhz) 2 43 55 - db source and load impedance 50 ohms temperature coefficient of frequency -18 ppm/ ? c ambient temperature - 25 - ? c notes: 1. reference frequency. comput ed as mean of the 3 db frequencies. 2. all db values are referenced to the insertion loss value. maximum ratings parameter min max units storage temperature range -40 85 ? c operating temperature range -20 85 ? c input power level - 10 dbm matching circuit ls1 = 39 nh ls2 = 33 nh cp1 = 27 pf cp2 = 22 pf notes: ? recommend 2% or better tolerance matching components. typical inductor q=40. ? optimum values may change depending on board layout. values shown are intended as a guide only. input 50 ? single ended output 50 ? single ended 10 5 all other pads gnd gnd
249.6 mhz saw filter 10 mhz bandwidth part number SF0250BA03223S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA03223S rev a 19-mar-201 0 ecn 36650 page 3 of 3 package outline marking all specifications are believed to be accurate and reliable. howe ver, spectrum microwave reserves the right to make changes wit hout notice. ? 2010 all ri g hts reserved. iso 9001 registered 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 typically 0.15 mm except where indicated. pad configuration: input: 10 output: 5 ground: all other pads
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