Monolithic crystal filter MQF21.4-2000/06 Application • 8 pol filter • i.f.- filter • use in mobile and Limiting values stationary transceivers Nominal frequency Centre frequency Insertion loss Pass band at 3.0dB Ripple in pass band Stop band attenuation Alternate attenuation fo fc fo ± 6 kHz fo ± 13 kHz fo ± 24 kHz fo ± 30 kHz fo ± 30...500 kHz Terminating impedance Z R1||C1 R2||C2 Operating temp. range Storage temp. range Environment conditions Characteristics Pass band Pin connections: Unit Value MHz MHz dB kHz dB dB dB dB dB 21.4 21.4 ± 800 Hz < 4.0 ±> 10 < 2.0 >6 > 70 > 80 > 80 Ohm/pF Ohm/pF 470 || 15 470 || 15 °C °C -35... +75 -45... +85 according to CF001 MQF21.4-2000/06 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 07.09.05 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com