Monolithic crystal filter MQF21.4-1500/10 Application • 8 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Pin connections: 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 1500 || 2 1500 || 2 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 MQF21.4-1500/10 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 22.08.01 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com