MQF21.4-0700_03

Monolithic crystal filter MQF21.4-0700/09 Application • 6 pol filter • i.f.- filter • use in mobile and stationary transceivers Limiting values Unit Value Nominal frequency Insertion loss Pass band at 6.0dB Ripple in pass band Stop band attenuation Alternate attenuation IP3 fo fo ± 2 kHz fo ± 11 kHz fo ± 25...5000 kHz fo+12; fo+24 kHz 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 Characteristics Pass band MQF21.4-0700/09 Stop band Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 10.10.03 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