Monolithic crystal filter MQF21.4-0700/09 Application • 6 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value MHz dB kHz dB dB dB dBm 21.4 ≤ 5.0 ± 3.5...4.5 ≤ 2.0 ≥ 60 > 80 except spurious > 25 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C +0... +70 Limiting values Center frequency Insertion loss Pass band at 6.0 dB Ripple in pass band Stop band attenuation Alternate attenuation IP3 fo fo ± 2.00 kHz fo ± 11 kHz fo ± 25...5000 kHz stop band MQF21.4-0700/09 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 02.06.99 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com