Monolithic crystal filter (preliminary specification) MQF30.0-4000/01 Application • 2 pol filter • i.f.- filter • use in mobile and stationary transceivers Characterstics Pass band Pin connections: Unit Value MHz dB kHz dB dB dB µs 30.0 ≤ 3.0 ± 20.00 ≤ 1.0 ≥ 20 except spurious > 30 except spurious <3 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 2600 || 0.80 2600 || 0.80 Operating temp. range °C -20... +70 Limiting values Center frequency Insertion loss Pass band at 1.0 dB Ripple in pass band Stop band attenuation Alternate attenuation Group delay distortion fo fo ± 20.00 kHz fo ± 125 kHz fo ± 20 kHz MQF30.0-4000/01 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 06.02.02 Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com