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ECS-55K15B Datasheet(PDF) 1 Page - ECS, Inc. |
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ECS-55K15B Datasheet(HTML) 1 Page - ECS, Inc. |
1 / 3 page 74 ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CRYSTAL FILTERS CRYSTAL FILTERS NOMINAL NUMBER PASSBAND RIPPLE INSERTION STOPBAND STOPBAND GUARANTEED TERMINATING MODEL FREQ. (fO) OF 3dB MIN. MAX. LOSS MAX. MAX. MAX. ATTENUATION IMPEDANCE CASE (MHz) POLES (KHz) (dB) (dB) (dB) (KHz) (dB) (KHz) (dB) (fO ±KHz) (Ohms/pF) 35 +300 ~ +1000 ECS-10.7-7.5A 10.7 2 ±3.75 0.5 1.5 20 ±18 50 -200 ~ -1000 1800//5.0 HC-49/U 65 +300 ~ +1000 ECS-10.7-7.5B 10.7 4 ±3.75 1.0 2.5 40 ±14 80 -200 ~ -1000 1800//4.0 HC-49/U x 2 ECS-10.7-7.5C 10.7 6 ±3.75 2.0 3.5 45 ±8.75 65 ±12.5 65 ±12.5 ~ ±300 1800//3.5 SC-3 ECS-10.7-7.5D 10.7 8 ±3.75 2.0 4.0 65 ±8.75 90 ±12.5 90 ±12.5 ~ ±300 1800//3.5 SC-4 ECS-21K7.5A 21.4 2 ±3.75 0.5 2.0 18 ±12.5 75 -910 1500//6.0 UM-1 ECS-21K7.5B 21.4 4 ±3.75 1.0 2.5 35 ±12.5 90 ±910 850//5.0 UM-1 x 2 ECS-21K7.5C 21.4 6 ±3.75 2.0 3.0 45 ±8.75 65 ±12.5 65 ±12.5 ~ ±300 850//5.0 SC-1 ECS-21K7.5D 21.4 8 ±3.75 2.0 4.0 65 ±9 90 ±12.5 90 ±12.5 ~ ±300 850//5.0 SC-1 ECS-21K7.5E 21.4 10 ±3.75 2.0 4.5 75 ±8.75 90 ±10.5 90 ±12.5 ~ ±300 850//5.0 SC-2 MONOLITHIC CRYSTAL FILTERS ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz) For 12.5 KHz Channel Spacing (Operating Temperature -20 to +70˚C) ECS’s Monolithic Crystal Filters have very high Q’s and excellent temperature and aging characteristics. These filters offer narrow and intermediate bandwidths. The monolithic crystal filter is smaller and more cost effective than a discrete crystal filter. With the addition of coupling capacitors between two-pole sections, they can be cascaded to produce four, six and eight (or more) pole filter responses. FEATURES • High stability for wide temperature ranges • Sharp cut-off • RoHS Compliant (Pb Free) NOMINAL NUMBER PASSBAND RIPPLE INSERTION STOPBAND STOPBAND GUARANTEED TERMINATING MODEL FREQ. (fO) OF 3dB MIN. MAX. LOSS MAX. MAX. MAX. ATTENUATION IMPEDANCE CASE (MHz) POLES (KHz) (dB) (dB) (dB) (KHz) (dB) (KHz) (dB) (fO ±KHz) (Ohms/pF) 35 +300 ~ +1000 ECS-10.7-12A 10.7 2 ±6.0 0.5 2.0 18 ±23 40 -200 ~ -1000 2500//2.5 HC-49/U 65 +300 ~ +1000 MF 10.7-12B 10.7 4 ±6.0 1.0 2.5 40 ±20 80 -200 ~ -1000 2500//1.5 HC-49/U x 2 MF 10.7-12C 10.7 6 ±6.0 2.0 3.0 45 ±14 60 ±20 65 ±20 ~ ±300 2800//1.0 SC-3 MF 10.7-12D 10.7 8 ±6.0 2.0 4.0 65 ±14 90 ±20 90 ±20 ~ ±300 2800//1.0 SC-4 35 +350 ~ +1000 ECS-21K12A 21.4 2 ±6.0 0.5 2.0 18 ±23 50 -200 ~ -1000 1200//3.0 UM-1 65 +350 ~ +1000 ECS-21K12B 21.4 4 ±6.0 1.0 2.5 40 ±20 70 -200 ~ -1000 1200//2.5 UM-1 x 2 ECS-21K12C 21.4 6 ±6.0 2.0 3.0 45 ±14 65 ±20 65 ±20 ~ ±300 1200//2.5 SC-1 ECS-21K12D 21.4 8 ±6.0 2.0 4.0 65 ±14 90 ±20 90 ±20 ~ ±300 1200//2.5 SC-1 For 20 KHz Channel Spacing (Operating Temperature -20 to +70˚C) |
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