Monolithic crystal filter MQF 45.0-0750/27 ( preliminary specification ) Application • 4 pol filter • i.f.- filter • use in mobile and Limiting values stationary transceivers Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious responses fo fo ± 2.50 kHz fo ± 20 kHz fo + 20 kHz.....+1 MHz Terminating impedance Z R1 || C1 R2 || C2 Operating temp. range Storage temp. range Filters are Pb-free and 2002 / 95 / EC RoHS compliant Characterstics Pass band Pin connections: MQF 45.0-0750/27 1 3 All other pins Value MHz dB kHz dB dB dB 45.0 ≤ 4.5 < ± 3.75 ≤ 1.0 ≥ 40 > 70 except spurious dB > 30 Ohm/pF Ohm/pF 50 || 0 50 || 0 °C °C -25... +85 -55... +85 Stop band Input Output Ground TELE FILTER Zweigniederlassung der DOVER Germany GMBH Potsdamer Str. 18 D- 14513 Teltow Unit (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com 31.01.07