MQF21.4-0750-18

Monolithic crystal filter MQF21.4-0750/18 Application • 8 pol filter • i.f.- filter • use in mobile and stationary transceivers Limiting values Unit Value Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Maximum input power Continuous input power fo fo ± 3.00 kHz fo ± 9.0 kHz fo ± 12.5...500 kHz MHz dB kHz dB dB dB dBm dBm 21.4 ≤ 3.5 ± ≥3.75 ≤ 2.0 ≥ 65 > 90 ≤ 10 ≤0 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 470 || 15 470 || 15 Operating temp. range °C -20... +70 Characteristics Pass band MQF21.4-0750/18 Stop band Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 06.05.03 TELE FILTER Zweigniederlassung der DOVER Germany GMBH Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com