Monolithic crystal filter MQF70.455-4000/07 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value Spurious response MHz dB kHz dB dB dB dB dB 70.455 ≤ 6.0 ± 20.00 ≤ 1.0 ≥ 40 > 60 > 70 > 40 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C -40... +85 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation fo ± ± ± ± fo fo fo fo 10.00 kHz 75 kHz 455 kHz 825...925 kHz MQF70.455-4000/07 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 11.09.98 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com