F45M20B1

Monolithic Crystal Filters ECM 45.0MHz Series § § § § § Fundamental Mode Small Size Cost Effective Design Surface Mount Options Custom Options Type Fundamental F45M08B1 F45M10B1 F45M12B1 F45M13B1 F45M15A1 F45M15B1 F45M15C1 F45M18A1 F45M18B1 F45M35B1 F45M20A1 F45M20B1 MF45MB2 MF45R2 MF45RB2 MF45RBB MF45SBA MF45U9 Overtone Series F45M15A F45M15AU F45M15BU F45M20A MF49P Centre Frequency 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz 45.0MHz Ripple (max) 1.0dB 1.0dB 1.0dB 1.0dB 0.5dB 1.0dB 2.0dB 0.5dB 1.0dB 1.0dB 0.5dB 1.0dB 1.5dB 0.5dB 1.0dB 1.0dB 1.0dB 1.0dB 0.5dB 1.0dB 1.0dB 0.5dB 1.0dB Number Of Poles 4 4 4 4 2 4 6 2 4 4 2 4 2 1 2 2 2 1 2 2 4 2 1 Passband Width 3dB +/-3.75kHz 3dB +/-5.00kHz 3dB +/-6.00kHz 3dB +/-6.50kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 6dB +/-7.50kHz 3dB +/-9.00kHz 3dB +/-9.00kHz 3dB +/-17.5kHz 3dB +/-10.0kHz 3dB +/-10.0kHz 3dB +/-3.75kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 3dB +/-10.0kHz 3dB +/-15.0kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 3dB +/-10.0kHz 3dB +/-5.00kHz Termination Impedance 330Ω//7pF 390Ω//4pF 390Ω//4pF 390Ω//4pF 470Ω//6pF 470Ω//3pF 470Ω//3pF 470Ω//6pF 500Ω//3pF 1000Ω//1pF 560Ω//5pF 560Ω//2pF 330Ω//6.5pF 560Ω//6pF 560Ω//2.5pF 800Ω//1.7pF 730Ω//2pF 1200Ω//0 3000Ω//-1pF 4000Ω//-1pF 3500Ω//-1pF 3900Ω//-1pF 3300Ω//-1pF Case Style UM-1 x 2 UM-1 x 2 UM-1 x 2 UM-1 x 2 UM-1 UM-1 x 2 M-107 UM-1 UM-1 x 2 UM-1 x 2 UM-1 UM-1 x 2 TR-6 x 2 TR6 TR-6 x 2 TR-6 x 2 TR-6 x 2 TR-6 HC49/U UM-1 UM-1 x 2 HC49/U TR-1 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