F21M08A ECM | Alldatasheet
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ECM Monolithic Crystal Filters ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0 )1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 1 21.4MHz Series § Monolithic Crystal Filters § For I.F Selection in VHF & UHF Systems § Cost Effective Design § Rugged Construction § Custom Options Available Type Centre Frequency Channel Spacing Number Of Poles Passband Width Termination Impedance Case Style F21M08A 21.4MHz 12.5kHz 2 3dB +/-3.75kHz 900 Ω //4pF HC49/U F21M08B 21.4MHz 12.5kHz 4 3dB +/-3.75kHz 1300 Ω //2pF HC49/U x 2 F21M08C 21.4MHz 12.5kHz 6 6dB +/-3.75kHz 1300 Ω //2pF M-104 F21M08D 21.4MHz 12.5kHz 8 6dB +/-3.75kHz 1300 Ω //2pF M-105 FT21M08D 21.4MHz 12.5kHz 8 3dB +/-3.75kHz 910 Ω //15pF M-106 F21M08AU 21.4MHz 12.5kHZ 2 3dB +/-3.75kHz 900 Ω //7pF UM-1 F21M08BU 21.4MHz 12.5kHz 4 3dB +/-3.75kHz 900 Ω //2pF UM-1 x 2 F21M08CU 21.4MHz 12.5kHz 6 6dB +/-3.75kHz 900 Ω //3pF M-107 F21M08DU 21.4MHz 12.5kHz 6 6dB +/-3.75kHz 900 Ω //4pF M-107 F21M08DL 21.4MHz 12.5kHz 6 6dB +/-3.75kHz 900 Ω //4pF M-108 FT21M08DU 21.4MHz 12.5kHz 3 3dB +/-3.75kHz 470 Ω //15pF M-110 F21M12BU 21.4MHz 20.0kHz 3 3dB +/-6.00kHz 1500 Ω //2pF UM-1 x 2 F21M12CU 21.4MHz 20.0kHz 6 6dB +/-6.00kHz 1500 Ω //1pF M-107 F21M12DU 21.4MHz 20.0kHz 8 6dB +/-6.00kHz 1500 Ω //1pF M-107 F21M12DL 21.4MHz 20.0kHz 8 6dB +/-6.00kHz 1500 Ω //1pF M-108 FT21M12DU 21.4MHz 20.0kHz 8 3dB +/-6.00kHz 470 Ω //15pF M-110 F21M15A 21.4MHz 25.0kHz 2 3dB +/-7.50kHz 900 Ω //5pF HC49/U F21M15B 21.4MHz 25.0kHz 4 3dB +/-7.50kHz 1000 Ω //2pF HC49/U x 2 F21M15C 21.4MHz 25.0kHz 6 6dB +/-7.50kHz 1200 Ω //1.5pF M-104 F21M15D 21.4MHz 25.0kHz 8 6dB +/-7.50kHz 1200 Ω //2pF M-105 FT21M15D 21.4MHz 25.0kHz 8 3dB +/-7.50kHz 910 Ω //15pF M-106 FT21M15D2 21.4MHz 25.0kHz 8 3dB +/-7.50kHz 910 Ω //15pF M-109 F21M15AU 21.4MHz 25.0kHz 2 3dB +/-7.50kHz 1500 Ω //2pF UM-1 F21M15BU 21.4MHz 25.0kHz 4 3dB +/-7.50kHz 1500 Ω //1pF UM-1 x 2 F21M15CU 21.4MHz 25.0kHz 6 6dB +/-7.50kHz 1500 Ω //1pF M-107 F21M15DU 21.4MHz 25.0kHz 8 6dB +/-7.50kHz 1500 Ω //1pF M-107 F21M15DL 21.4MHz 25.0kHz 8 6dB +/-7.50kHz 1500 Ω //1pF M-108 FT21M15DU 21.4MHz 25.0kHz 8 3dB +/-7.50kHz 470 Ω //15pF M-110