MQF21.4-1500-33_02

Monolithic crystal filter MQF21.4-1500/33 Application • 10 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 fo Alternate attenuation Group delay distortion fo ± 6.25 kHz fo ± 12.5 kHz fo ± 15 kHz fo ± 17.5 kHz fo ± 20...500 kHz fo ± 6.25 kHz 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 Characteristics Pass band MQF21.4-1500/33 Stop band Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 18.12.02 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