Monolithic crystal filter MQF21.4-2000/06 Application • 8 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value MHz dB kHz dB dB dB 21.4 ≤ 4.0 ± 10.0 ≤ 2.0 ≥ 70 > 80 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 470 || 15 470 || 15 Operating temp. range °C -30... +80 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Caracterstics Pass band fo fo ± 6.0 kHz fo ± 24 kHz fo ± 30 kHz Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 12.11.97 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com