Monolithic crystal filter MQF21.4-3000/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Unit Value Spurious responses MHz dB kHz dB dB dB dB 21.4 ≤ 2.0 ± 15.00 ≤ 1.5 ≥ 40 > 60 > 14 Terminating impedance Z R1 || C1 R2 || C2 Coupling capacitance Ohm/pF Ohm/pF pF 2200 || 0.50 2200 || 0.50 3.3 °C -25... +70 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation fo fo ± 10.00 kHz fo ± 50 kHz fo ± 100 kHz Ck Operating temp. range Characterstics Pass band MQF21.4-3000/02 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 26.10.00 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com