Monolithic crystal filter MQF21.4-1500/33 Application • 10 pol filter • i.f.- filter • use in mobile and Unit Value MHz dB kHz dB dB dB dB dB µs 21.4 < 4.0 ±> 7.5 < 2.0 > 50 > 70 > 80 > 90 < 70 Terminating impedance Z R1||C1 R2||C2 Ohm/pF Ohm/pF 1500 || 1 1500 || 1 Operating temp. range °C -20... +70 Limiting values stationary transceivers Nominal frequency Insertion loss Pass band at 6.0dB Ripple in pass band Stop band attenuation Alternate attenuation Group delay distortion Characteristics Pass band Pin connections: fo fo ± 6.25 kHz fo ± 12.5 kHz fo ± 15 kHz fo ± 17.5 kHz fo ± 20...500 kHz fo ± 6.25 kHz MQF21.4-1500/33 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 18.12.02 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com