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| 179 crystal filters mcf for mca ?personal radio mcf mcf r//c r//c cc connecting mark d-360-b means a pair of d-360-a. when d-360-b is used, please use a coupling capacitance . 7.9max 3.75 3-?.35 20.0min 8.0max max 3.2 0.2 ripple (db) 55N9bd 55.025 4 3 ?.5 25 ?2.5 1.0 3.0 80 2.7//?.5 c c =0pf ?0~+60 d-360-b 55N12b 55.025 4 3 ? 40 ?5 1.0 3.0 80 3//?.5 c c =?pf ?0~+70 d-360-b 55N17b 55.025 4 3 ?.5 25 ?5 2.0 4.0 80 3//? c c =?pf ?0~+60 d-360-b 58n9be 58.1125 4 3 ?.5 25 ?2.5 2.0 4.0 80 2.8//?.5 c c =?.5pf ?0~+60 d-360-b 58n12a 58.1125 2 3 ? 15 ?5 2.0 3.0 60 2.7//? ?0~+60 d-360-a 58n17bh 58.1125 4 3 ?.5 25 ?5 2.0 4.0 80 2.7//?.5 c c =?.5pf ?0~+60 d-360-b type operating temp. range (?c) terminating impedance (k ? // pf) guaranteed attenuation (fo-910khz) (db) model pole nominal frequency (mhz) inser- tion loss (db) (khz) (db) pass band- width attenuation bandwidth features 8 compactness and light weight 8 narrow bandwidth (db) (khz) -16 -12 -8 -4 0 4 8 12 16 (khz) (a) -1.00 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1.00 (mhz) (b) 55.025mhz 10 20 30 40 50 60 70 80 att. (db) (b) (a) 90 -25 -20 -15 -10 -5 0 5 10 15 20 25 (khz) (a) -1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 (mhz) (b) 58.1125mhz 10 20 30 40 50 60 70 80 (b) (a) 90 att. (db) model : 58n9be model : 55N9bd d-360-a~b (mm)
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