Monolithic crystal filter MQF21.4-0750/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value fo ± 3.00 kHz fo ± 14 kHz fo ± 350 kHz MHz dB kHz dB dB dB 21.4 ≤ 2.5 ± 3.75 ≤ 1.0 ≥ 40 > 60 Ck Ohm/pF Ohm/pF pF 1500 || 2 1500 || 2 10.0 °C -20... +70 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Terminating impedance Z R1 || C1 R2 || C2 Coupling capacitance fo Operating temp. range Characterstics Pass band MQF21.4-0750/02 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 25.10.00 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com