178 crystal filters built-in transformer type mcf an integrated mcf with a matching transformer added as a corrective measure. features 8 can be manufactured with desired terminating imped- ance 8 no adjustment needed 8 stable temperature characteristics 10.7mhz, 21.4mhz series -40~+80?c(available on request) model nominal fre- quency (mhz) pole (db) (khz) attenuation bandwidth ripple (db) insertion loss (db) terminating impedance ( ? // pf) operating temp. range *(?c) type weight (g) (db) (khz) (db) (khz) pass band- width 10a7.5ca 10.7 6 3 3.75 45 8.75 65 12.5 2 3.5 910// 25 ?0~+70 d-152 23 10a12ca 10.7 6 3 6 45 14 65 20 2 3 910// 25 ?0~+70 d-152 23 10a15ca 10.7 6 3 7.5 45 17.5 65 25 2 3 910// 25 ?0~+70 d-152 23 10a30ca 10.7 6 3 15 45 35 65 50 2 3 910// 25 ?0~+70 d-152 23 10a7.5da 10.7 8 3 3.75 70 8.75 90 12.5 2 4 910// 25 ?0~+70 d-152 25 10a12da 10.7 8 3 6 70 14 90 20 2 3.5 910// 25 ?0~+70 d-152 25 10a15da 10.7 8 3 7.5 70 17.5 90 25 2 3.5 910// 25 ?0~+70 d-152 25 10a30da 10.7 8 3 15 70 35 80 50 2 3.5 910// 25 ?0~+70 d-152 25 10b7.5da 10.7 8 3 3.75 70 8.75 90 12.5 2 4 910// 25 ?0~+70 d-153 25 10b12da 10.7 8 3 6 70 14 90 20 2 3.5 910// 25 ?0~+70 d-153 25 10b15da 10.7 8 3 7.5 70 17.5 90 25 2 3.5 910// 25 ?0~+70 d-153 25 10b30da 10.7 8 3 15 70 35 80 50 2 3.5 910// 25 ?0~+70 d-153 25 10p7.5da 10.7 8 3 3.75 70 8.75 90 12.5 2 4 910// 25 ?0~+70 d-100 32 10p12da 10.7 8 3 6 70 14 90 20 2 3.5 910// 25 ?0~+70 d-100 32 10p15da 10.7 8 3 7.5 70 17.5 90 25 2 3.5 910// 25 ?0~+70 d-100 32 10p30da 10.7 8 3 15 70 35 80 50 2 3.5 910// 25 ?0~+70 d-100 32 21a7.5cb 21.4 6 3 3.75 45 8.75 65 12.5 2 4.5 910// 15 ?0~+70 d-152 23 21a12cb 21.4 6 3 6 45 14 65 20 2 3.5 910// 15 ?0~+70 d-152 23 21a15cb 21.4 6 3 7.5 45 17.5 65 25 2 3.5 910// 15 ?0~+70 d-152 23 21a30cb 21.4 6 3 15 45 35 65 50 2 3.5 910// 15 ?0~+70 d-152 23 21a7.5db 21.4 8 3 3.75 70 9 90 12.5 2 5 910// 15 ?0~+70 d-152 25 21a12db 21.4 8 3 6 70 14 90 20 2 4 910// 15 ?0~+70 d-152 25 21a15db 21.4 8 3 7.5 70 17.5 90 25 2 4 910// 15 ?0~+70 d-152 25 21a30db 21.4 8 3 15 70 35 80 50 2 4 910// 15 ?0~+70 d-152 25 21p7.5da 21.4 8 3 3.75 70 9 90 12.5 2 5 910// 25 ?0~+70 d-100 32 21p12da 21.4 8 3 6 70 14 90 20 2 4 910// 25 ?0~+70 d-100 32 21p15da 21.4 8 3 7.5 70 17.5 90 25 2 4 910// 25 ?0~+70 d-100 32 21p30da 21.4 8 3 15 70 35 80 50 2 4 910// 25 ?0~+70 d-100 32 21c7.5dc 21.4 8 3 3.75 65 9 90 12.5 2 4.5 470// 15 ?0~+70 d-162 12 21c12dc 21.4 8 3 6 65 14 90 20 2 4 470// 15 ?0~+70 d-162 12 21c15dc 21.4 8 3 7.5 65 17.5 90 25 2 4 470// 15 ?0~+70 d-162 12 21c30dc 21.4 8 3 15 65 35 80 50 2 4 470// 15 ?0~+70 d-162 12 4 10.7mhz, 21.4mhz series
179 crystal filters 25.0max max 10.0 4 2-?.0 gnd 18.0 0.5 2-?.8 max 8.0 0.5 14.0max 38.4max 15.9max 4 24 0.5 4 2-?.8 3-?.8 gnd 4 0.5 5 0.5 18.2max 3.5 38.4max 15.9max 3.5 4 24 4-?.8 gnd 2-?.8 4 4 18.2max 1 2 4 3 4 36.1max 19.1max 5 22.9 0.5 7.6 7.6 7.6 0.5 2-?.0 2 - m 3 15.2 0.5 26.7max 40 50 60 70 80 90 30 20 10 -20 -15 -10 -5 0 5 10 15 20 (khz) 21.4mhz att(db) 40 50 60 70 80 90 30 20 10 -80 -60 -40 --20 0 20 10 60 80 (khz) 21.4mhz att(db) 0 40 50 60 70 80 90 30 20 10 -16 -12 -8 -4 0 4 8 12 16 (khz) 21.4mhz att(db) -30 -20 -10 0 10 20 30 (khz) 21.4mhz 10 20 30 40 50 60 70 80 90 att. (db) model : 21a7.5db model : 21a15db model : 21a12db model : 21a30db d-100 (mm) d-152 (mm) d-153 (mm) d-162 (mm) built-in transformer type mcf 10.7mhz, 21.4mhz series
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