F90M20B

Monolithic Crystal Filters ECM 90.0MHz Small Size Cost Effective Design Surface Mount Available Custom Options Type 3rd Overtone F90M7.5A F90M7.5B F90M12A F90M12B F90M15A F90M15B F90M20A F90M20B F90M30A F90M30B Centre Frequency 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz 90.00MHz Ripple (max) 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB 1.0dB Number Of Poles 2 4 2 4 2 4 2 4 2 4 Passband Width 3dB +/-3.75kHz 3dB +/-3.75kHz 3dB +/-6.00kHz 3dB +/-6.00kHz 3dB +/-7.50kHz 3dB +/-7.50kHz 3dB +/-10kHz 3dB +/-10kHz 3dB +/-15kHz 3dB +/-15kHz Termination Impedance 2000Ω//0.3pF 1800Ω//0.1pF 2000Ω//0pF 2000Ω//-0.3pF 2000Ω//-0.1pF 2000Ω//-0.5pF 2500Ω//-0.4pF 2500Ω//-0.6pF 4000Ω//-0.7pF 4000Ω//-0.7pF Case Style UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f UM a ~ f Code Case A UM a UM-1 8.0 UM b UM-1S 8.0 UM c UM-5 8.0 UM d UM-5S 8.0 UM e UM-4 8.0 UM f UM-4S 8.0 Dimensions in mm B 3.0 2.5 3.0 2.5 3.0 2.5 C 8.0 8.0 6.0 6.0 4.5 4.5 D 20.0 20.0 20.0 20.0 20.0 20.0 E 3.75 3.75 3.75 3.75 3.75 3.75 F 0.35 0.35 0.35 0.35 0.35 0.35 ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: sales@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