Monolithic crystal filter MQF21.4-1500/01 Application • 2 pol filter • i.f.- filter • use in mobile and Limiting values stationary transceivers Nominal frequency Insertion loss Pass band at 3.0dB Ripple in pass band Stop band attenuation Alternate attenuation Spurious responses fo fo ± 4 kHz fo ± 25 kHz fo ± 350...1000 kHz fo + 50...300 kHz Terminating impedance Z R1||C1 R2||C2 Operating temp. range Storage temp. range Environment conditions Characteristics Pass band Pin connections: Unit Value MHz dB kHz dB dB dB dB 21.4 < 1.5 ±> 7.5 < 0.5 > 18 > 35 > 14 Ohm/pF Ohm/pF 1600 || 4 1600 || 4 °C °C -25... +70 -45... +85 according to CF001 MQF21.4-1500/01 Stop band 1 2 3 4 Input Ground-Input Output Ground-Output TELE FILTER Zweigniederlassung der DOVER Germany GMBH 07.07.04 Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com