Monolithic crystal filter MQF42.0-1000/01 Application • 2 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Unit Value MHz dB kHz dB dB /kHz: dB dB dB 42.0 ≤ 3.0 ± 5.0 ≤ 1.0 ≥ 25 ±1 > 25 > 25 > 45 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 2200 || -1.5 2200 || -1.5 Operating temp. range °C -20... +70 Limiting values Center frequency Insertion loss Pass band at 3.0 dB Ripple in pass band Stop band attenuation Centre frequency toleranc Alternate attenuation fo fo ± 3.5 kHz fo ± 40 kHz fo - 40...-1000 kHz fo + 200...2000 kHz fo ± 1...10 MHz MQF42.0-1000/01 Stop band Pin connections: 1 2 3 4 Input Input-E Output Output-E TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH 18.02.98 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com