MQF45.0-2500

Monolithic crystal filter MQF45.0-2500/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Limiting values Unit Value Nominal frequency Insertion loss Pass band at 3.0dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious responses Group delay distortion fo fo ± 8 kHz fo ± 900 kHz fo ± 900 kHz fo ± 8 kHz MHz dB kHz dB dB dB dB µs 45.0 < 4.0 ±> 12.5 < 1.0 > 80 > 80 > 30 < 2.5 Terminating impedance Z R1||C1 R2||C2 Ohm/pF Ohm/pF 50 || 0 50 || 0 Operating temp. range °C -25... +70 Characteristics Pass band MQF45.0-2500/02 Stop band Pin connections: 1 2 3 4 Input Ground-Input Output Ground-Output 19.12.02 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