Monolithic crystal filter MQF45.5-2500/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value MHz dB kHz dB dB dB dB µs 45.5 ≤ 4.0 ± 12.5 ≤ 1.0 ≥ 40 > 80 > 30 < 2.5 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C -20... +70 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious response Group delay distortion Caracterstics Pass band fo fo ± 8.0 kHz fo ± 75 kHz fo ± 900 kHz fo ± 8 kHz Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 03.12.97 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com