Monolithic crystal filter MQF21.4-1500/04 Application • 8 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value MHz dB kHz dB dB dB 21.4 ≤ 3.0 ± 7.50 ≤ 2.0 ≥ 65 > 90 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 1600 || 1.5 1600 || 1.5 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 fo fo ± 6.00 kHz fo ± 17.5 kHz fo ± 25 kHz MQF21.4-1500/04 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 13.10.00 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com