Monolithic crystal filter MQF45.0-2500/02 Application • 4 pol filter • i.f.- filter • use in mobile and stationary transceivers Characteristics Pass band Pin connections: Unit Value 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 Limiting values 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 MQF45.0-2500/02 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 19.12.02 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com