Crystal filter QF21.4-0050/06 Application • 6 pol filter • i.f.- filter • use in mobile and Pin connections: Value MHz MHz MHz dB kHz dB dB dB dB dB dBm 21.4 21.4 ± 250 Hz 21.4 ± 150 Hz ≤ 15.0 ± ≥0.25 ≤ 2.0 ≥ 60 > 90 except spurious > 85 > 10 > 25 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C -10... +70 Nominal frequency Centre frequency stationary transceivers Characteristics Pass band Unit Limiting values Insertion loss Pass band at 6.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious response Return loss IP3 at 0 dBm power level fo fc fc at 25°C fo ± 0.15 kHz fo ± 1 kHz fo ± 2...5000 kHz fo ± 0.15 fo±1 kHz; fo± 2 kHz QF21.4-0050/06 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 12.07.02 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com