250 mhz saw filter 80 mhz bandwidth part number: SF0250BA02425S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA02425S rev a 19-mar-2010 ecn 36650 page 1 of 3 description ? 250 mhz saw bandpass filter with 80 mhz bandwidth. ? 5 x 5 mm lcc package. ? rohs compliant. typical performance horizontal: frequency : 40 mhz/div vertical from top: relative magnitude : 10 db/div relative magnitude : 1 db/div phase linearity : 5 deg/div group delay deviation : 50 ns/div s11 (50 to 450 mhz) s22 (50 to 450 mhz) 50. ns/"
250 mhz saw filter 80 mhz bandwidth part number: SF0250BA02425S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA02425S rev a 19-mar-2010 ecn 36650 page 2 of 3 specification parameter 2 min typ max units center frequency (fc) 1 - 250 - mhz minimum insertion loss - 19.4 20.5 db 1 db bandwidth 80.0 84.0 - mhz lower 33 db band edge 2 192.5 195.8 - mhz upper 33 db band edge 2 - 304.6 307.5 mhz rejection (0.3 to 30 mhz) 30 40 - db rejection (30 mhz to 150 mhz) 40 48 - db rejection (150 to 186 mhz) 38 40 - db rejection (186 to 192.5 mhz) 33 35 - db rejection (307.5 to 316 mhz) 33 35 - db rejection (316 to 320 mhz) 38 41 - db rejection (320 to 500 mhz) 40 45 - db passband ripple (210 to 290 mhz) 3 - 0.7 1.0 db p-p passband ripple (209 to 291 mhz) 3 - 0.8 1.5 db p-p phase linearity (210 to 290 mhz) 3 - 4.5 8 deg p-p group delay deviation (210 to 290 mhz) 3 - 25 50 ns p-p source and load impedance - 50 ? ambient temperature (tref) - 25 - c notes: 1. average of the lowe r and upper 3 db frequencies. 2. all db levels are relative to the insertion loss. 3. these specifications apply over the full operating temperature range. 4. typical change of filter fre quency response with temperature is ? f = (t-t ref )*tc*fc, in ppm. maximum ratings parameter min typ max units storage temperature range -40 25 85 ? c operating temperature range (t) -20 25 85 ? c temperature coefficient of frequency (tc) 4 - -74 - ppm/ ? c input power level - 10 13 dbm matching circuit typical component values: notes: 1. recommend use of 2% tolerance ma tching components. inductor q=45. 2. component values are for reference only and may change depending on board layout. ls1 = 47 nh ls2 = 68 nh
250 mhz saw filter 80 mhz bandwidth part number: SF0250BA02425S spectrum microwave 400 nickerson road, marlbo rough, ma 01752, usa ? phone 1-508-251-6400 ? fax 1-508-251-6401 www.spectrummicrowave.com dsSF0250BA02425S rev a 19-mar-2010 ecn 36650 page 3 of 3 package outline suggested footprint 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. pad configuration: input: 1 input return: 2 output: 5 output return: 6 ground: 3,4,7,8
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