Crystal filter QF 2.5-U0290/04 Application Unit Value MHz dB kHz 2.5 4.0 +<0.3...>3.04 Ripple in pass band fo + 0.59...2.375 kHz at –10...+55°C fo + 0.55...2.5 kHz Stop band attenuation fo - 0.4 kHz; fo + 7.5 kHz Alternate attenuation Input power dB dB dB dB mW 2.0 2.0 40 > 60 (except spurious ) < 10 Terminating impedance Z R1 || C1 R2 || C2 Ohm/pF Ohm/pF 600 || 0 600 || 0 Operating temp. range °C -25... +70 Limiting values 8 pol filter i.f.- filter use in mobile and stationary transceivers Characteristics Pass band Pin connections: Center frequency Insertion loss Pass band at 6.0 dB fo QF 2.5-U0290/04 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH Potsdamer Str. 18 D- 14513 Teltow 12.11.03 (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com