Monolithic crystal filter MQF45.0-3800/09 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value fo ± 19 kHz MHz dB kHz dB dB dB dB µs 45.0 ≤ 3.0 ± 19.00 ≤ Gaussian ≥ 25 > 50 > 15 < 15 Ck Ohm/pF Ohm/pF pF 900 || 1 800 || 2 6.5 °C -20... +70 Limiting values Center frequency Insertion loss Pass band at 6.0 dB Ripple in pass band Stop band attenuation Spurious responses Group delay distortion Terminating impedance Z R1 || C1 R2 || C2 Coupling capacitance fo fo ± 19.00 kHz fo ± 38 kHz fo ± 75 kHz Operating temp. range Characterstics Pass band MQF45.0-3800/09 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 30.08.99 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com