Monolithic crystal filter MQF21.4-1500/02 Application • 4 pol filter • i.f.- filter • use in mobile and Unit Value fo ± 6 kHz fo ± 25 kHz MHz dB kHz dB dB 21.4 < 2.5 ±> 7.5 < 1.0 > 40 Ck Ohm/pF Ohm/pF pF 1600 || 2 1600 || 2 7.0 °C °C -25... +70 -30... +80 according to CF001 Limiting values stationary transceivers Nominal frequency Insertion loss Pass band at 3.0dB Ripple in pass band Stop band attenuation Terminating impedance Z R1||C1 R2||C2 Coupling capacitance fo Operating temp. range Storage temp. range Environment conditions Characteristics Pass band Pin connections: MQF21.4-1500/02 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 20.04.04 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com