Monolithic crystal filter MQF21.4-3000/11 Application • 8 pol filter • i.f.- filter • use in mobile and Unit Value MHz dB kHz dB dB dB dB 21.4 ≤ 3.5 ± 15.00 ≤ 2.0 ≥ 70 > 90 > 90 except spurious Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 2000 || 0 2000 || 0 Operating temp. range °C -20... +70 Limiting values stationary transceivers Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Characterstics Pass band Pin connections: fo fo fo fo fo ± 12.00 kHz ± 35 kHz ± 50 kHz ± 50...500 kHz MQF21.4-3000/11 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 03.01.02 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com